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1 To the Purchaser Congratulations on your choice of another Australian made quality attachment from Hydrapower. We have been manufacturing attachments for earthmoving machinery since 1981. Our attachments have proven themselves to be reliable and essential equipment, making your machine more versatile. Attachments are the intelligent option to keep your operating expenses down whilst providing better services and performance to your customers. Contents Company Profile 2 Quality Policy 3 Warranty Statement 5 General Operation Of Borers 7 BU-0 MINI DIRECT DRIVE BORER 10 BU1 & BU2 HYDRA-DIG BORER 12 NK1 STANDARD BORER 14 NK2 HIGH-PRESSURE BORER 16 NK4 PLANETARY REDUCTION BORER 18 PLANT RISK ASSESSMENT 20

To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Page 1: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

1

To the Purchaser Congratulations on your choice of another Australian made quality attachment fromHydrapower. We have been manufacturing attachments for earthmoving machinerysince 1981. Our attachments have proven themselves to be reliable and essentialequipment, making your machine more versatile. Attachments are the intelligentoption to keep your operating expenses down whilst providing better services andperformance to your customers.

Contents

Company Profile 2

Quality Policy 3

Warranty Statement 5

General Operation Of Borers 7

BU-0 MINI DIRECT DRIVE BORER 10

BU1 & BU2 HYDRA-DIG BORER 12

NK1 STANDARD BORER 14

NK2 HIGH-PRESSURE BORER 16

NK4 PLANETARY REDUCTION BORER 18

PLANT RISK ASSESSMENT 20

Page 2: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

2

Company Profile

Hydrapower, based in Narangba just north of Brisbane,is one of the quiet success stories of the Queenslandmanufacturing industry. Hydrapower was founded in1981 after a change in Directorship of the pre-existingcompany, J&T Products. The name "Hydrapower" wasselected after one of the Directors designed and built apowerful Skid Steer Loader of the same name. Themajority of work at that time was related to themanufacture of drilling rigs, water and service trucks,trenching attachments for Skid Steer Loaders andservice work for the bitumen and earthmoving industries.

Because of the extensive experience gained in the construction industry, Hydrapoweridentified and forecast the growth in the smaller end of the construction market,especially with the versatility offered by earthmoving attachments.

Hydrapower recognised the potential of theSkid Steer Loader to be far more then just aloader, as these "power plants on wheels"had hydraulic power that could beharnessed. As the customer expectations ofthe Skid Steer increased Hydrapowerresponded by expanding its range ofattachments.

Today Hydrapower’s factory occupies animpressive two-acre set-up employing forty

people. Two huge manufacturing factories and a storage warehouse are equippedwith highly advanced machinery; CNC Presses, guillotines, plate rollers, CNC multi-head profile cutter, CNC milling centres and CNC lathes. The latest computer CADwizardry backs up this processing potential.

In early 2004, Hydrapower honoured its commitment to support its productsnationally by opening branches in Sydney and Melbourne.

Hydrapower now manufactures the largest range ofAustralian built quality attachments including RoadProfilers, Road Brooms, Trenchers, Post hole borers,Slashers, Loading Ramps and Pallet forks. In total weproduce over eighteen different classes of attachmentswith many model variations, and pride ourselves on ourskill at matching suitable variations of our products forwhichever machine a customer may have chosen. Thisskill comes from considerable experience with skid steerloaders, tractors and excavators. What better way to have obtained that experiencethan by building skid steers yourself, as Hydrapower once did?

Hydrapower has been a certified member of Standards Australia since 1995. Thisensures our customers that we are aware of any pending or recent changes inStandards applicable to our industry or products.Other Industry associations include the Australian Industry Group, The AustralianAssociated Equipment Distributors Inc., the Civil Contractors Federation, and the

Page 3: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Golden Buckets Association.

Our commitment to training has seen no less than twelve apprentices complete theirtime at Hydrapower. We also provide on-the-job training for students attending localhigh schools. Hydrapower is also an active supporter within our local community,having sponsored junior soccer teams for over ten years as well as frequently makingdonations to schools and community based organisations.

Hydrapower takes pride in the products wemanufacture and believe that high qualitydoes not have to come with a high price. Itis our aim to ensure that customer needsare firstly identified and secondlysatisfied. Its no wonder that when peoplethink specialised attachments, they thinkHYDRAPOWER!

That's the Hydrapower's success so far and its continuing success in the future.

Quality Policy

Hydrapower Pty Ltd specialises in the manufacture of attachments to suit Skid SteerLoaders, Backhoes and Excavators. Attachments include Trenchers, Post-HoleBorers, Road Profilers, Road Bucket/Brooms and Slashers plus special "to thecustomer specifications" attachments.

It is Hydrapower's policy to provide a quality product and to have continuousimprovement to Goods and Services, which ensure customer satisfaction andgenerate repeat business.

It is the objective of the management of Hydrapower to:

(a) Establish and maintain an effective and properly managed quality system.

(b) Enhance the reputation of the Company by achieving delivery dates thatcomply with order requirements and Company standards at optimum cost.

(c) Provide objective evidence that the quality system is implemented andmaintained in accordance with management policies.

The Quality Manual, and the referenced system documentation, describes how theHydrapower quality system is designed to ensure that the Company policy andobjectives are satisfied at all times. It also outlines how effective control isestablished and maintained in order to achieve the required assurance of quality anda high degree of consistency in completed work.

The senior management of Hydrapower is fully committed to the successfulimplementation and maintenance of the quality system and active participation in allquality-related activities is a requirement of all personnel in the Company.

Hydrapower’s quality system is designed to satisfy the requirements of ISO9002:1994 and other equivalent national and international quality system standards.

Page 4: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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SAFETY FIRST

DO NOT OPERATE ATTACHMENT UNTILYOU HAVE READ THIS PAGE

Contact with moving parts can result in injury or death. It is yourresponsibility to ensure that personnel are kept clear.

Do not place any part of body or limb under raised attachment at any time.

Never alight from machine with attachment in an elevated position.

To minimise injury, always ensure that you are wearing suitable protectiveclothing and equipment.

Do not use attachment for any other purposes than that which it has beendesigned for.

Always turn off machine when performing maintenance on attachment.

When installing teeth on the augers, use a soft hammer and wear protectiveeyewear to prevent metal fragments damaging your eye.

Ensure that both breakaway couplings are connected to the host machine.Incorrectly fitted couplings and faulty couplings are the most common way ofthe motor shaft seal getting damaged.

Research the path to be excavated for hazards such as water mains, powercables, telephone cables etc.

Investigate hydraulic oil leaks promptly. Hydraulic oil flows under highpressure and can cause injury.

When travelling around the site, carry attachment clear of ground to preventunnecessary damage.

Do not remove any safety device or decal from the attachment.

Read operation manual before you use your attachment.

Page 5: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Warranty Statement

Hydrapower offers twelve (12) months warranty on all attachments exceptRoad Profilers and Rock Wheels which are warranted for six (6) months.

Aluminium Loading Ramps are not covered under this warranty agreement.This is our only warranty and covers faulty workmanship and defective partsmanufactured by Hydrapower Pty Ltd. The warranty does not covertransportation costs of parts or travelling costs nor does it cover consequentialdamage

Degradation of parts through wear associated with equipment operation is notwarranted (ie. trencher teeth, profiler picks, bearings etc.)

Warranty is granted on the following strict conditions:

(a) Equipment must be operated in accordance with the instructionsprovided by Hydrapower Pty Ltd as stated in the operation manual.

(b) Prior to work being performed on the product, Hydrapower is contactedand a Purchase Order number obtained.

Failure to meet any of these conditions will void the warranty.

Invoices received by Hydrapower for warranty work performed on itsequipment must have a Hydrapower Purchase Order Number. Invoiceswithout this Purchaser Order number will not be accepted.

While every care is taken by Hydrapower to ensure that the goods arrive ingoods condition, Hydrapower accepts no responsibility for any damagecaused to any Hydrapower product while under the care of freight companies.

Freight insurance is available on request.

(In keeping with our policy of continued improvement, Hydrapower reservesthe right to alter the price, design, specification, or to discontinue any itemslisted in our price lists without prior notice).

Page 6: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Augers:

Auger: Standard digging length is 1500 mm, rotation is clockwise (right-hand)

100 mm 150 mm 200 mm 250 mm 300 mm 350 mm 400 mm 450 mm 500 mm 600 mm Up to 1500 mm diameter

Extensions:

Supplied with an additional drive pin:

500 mm 600 mm 700 mm800 mm 900 mm 1000 mmTelescopicExtensions

Extensions made to order

Page 7: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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General Operation Of Borers

Take note of the flow and pressure your borer is capable of receiving. WhenHydrapower receives the order for your borer we match the gearbox and motorconfiguration to the original machine the borer was purchased for. After this it is upto the operator to ensure that the borer is not fitted to a machine with higher flows orpressure.

Connect the Auger Drive Unit to your machine the same as you would your loaderbucket, then lower to the ground. Turn off the machine and operate the controls torelieve the hydraulic pressures. Clean the quick-release couplings and attach to themachine. With the auger unit lying horizontally on the ground, connect the requiredauger. Your machine is now ready for use.

Raise the borer and crowd the pick-up hitch forward so the carrying cradle (wheresupplied) is clear of the borer’s power-head. Allow the auger to hang vertical, thenlower and position the auger over the digging point. Ensure that the auger can freelymove left to right and front to back. Do not crowd back to prevent this pendulumaction. With the machine at medium to full R.P.M. (this must be varied to suit yourmachine, digging conditions and auger size), engage the borer. Lower the augerinto the ground ensuring the auger does not stall and remains in a vertical position.On skid steers, make sure the front wheels do not rise off the ground more than 50mm (2”). At this height you have achieved the maximum down force possible.Raising the front wheels any higher than this is ineffective because more weight istransferred to the rear of the machine and you increase the risk of bending theauger should the auger jam in the hole and throw the borer off-line.

As the auger moves up and down in the ground, be aware on machines such asexcavators and backhoe loaders that the main boom moves in an arc. You will needto compensate for this movement by adjusting the dipper arm or moving themachine forwards or backwards. Take extreme care when doing this to prevent theauger from bending or pulling the flights against the side of the hole.

As the auger starts to load up, stop the rotation and raise the auger vertically, moveaway from the hole and reverse the auger to clear the flights. Do not try to “flick” thedirt (especially mud and clay) from the auger, as you run an increased likelihood ofbending the auger shaft.

It is important that you keep clearing the hole as you could bury the auger and beunable to retrieve it without digging it out. Repeat the process until the requireddepth is reached.

For optimum digging performance ensure that the cutting teeth are in goodcondition. The outside teeth are more subject to wear and these teeth can berotated to the inside positions (on larger augers) to increase the life of your augerteeth. When rotating or replacing teeth, pay attention to the condition of therubber lock. Torn rubber will not secure teeth adequately enough, use newrubber. Do not use oil or grease on the rubber lock. Don’t let the outer teeth andholders wear down as the top of the auger will become smaller than the rest ofthe flights (ie. the auger will become coned-shaped). This greatly reduces thedigging performance of the auger and borer unit.

Page 8: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Maintenance Schedule PERIOD

INSPECTION

DAILY(4 - 6

HOURS)

WEEK(30

HOURS)

MONTH(100

HOURS)

HALFYEAR(500

HOURS)

YEAR(750+

HOURS)

OIL LEAKS XAUGER X

GREASE POINTS XDAMAGEDHOSES OR

BREAK-AWAYS X

CHECK BEARINGAND SHAFT PLAY X

THOROUGHCLEAN-DOWN X

BOLTS XCHECK

INTEGRITY OFQUICK HITCH

X

GEAR OIL X

Note: The Gear Oil should be changed after the first fifty (50) hours of use,and then every 500 hours thereafter.

Trouble ShootingThis section is intended to provide the operator with a general guide todifficulties that may arise on the attachment. Should the problem persistplease contact Hydrapower for assistance.

PROBLEM POSSIBLE CAUSE SOLUTION (a) Auger will only turnin one direction.

1. Faulty breakaway coupling(s);coupling(s) not connectedproperly; or incompatiblecoupling brands.

1. Inspect couplings and replaceor refit.

(b) Auger will not turn atall.

1. As above.

1. Inspect couplings and replaceor refit.

(c) Oil coming out ofthe auger unit.

1. Loose or damaged fittingon the hydraulic motor.

2. Gearbox drain plug loose.3. Motor shaft seal blown,

pressurising the gearbox(oil coming out of theoutput shaft seal). Thisoccurs when there is toomuch return line pressure.

1. Tighten or replace fitting.2. Top-up gearbox oil andtighten the plug. 3 Replace motor shaft seal.Replace gearbox output shaftseal. Refill gearbox with gear-oil.Inspect likely causes of returnline restriction.

(d) Auger keepsjamming in hole, seemsto have no diggingforce.

1. Top of auger is wormdown and is narrower thanthe flights below.

2. Restrictions in return line.

1. Replace outer tooth holders,build-up worn flights. Inspectteeth on a regular basis toprevent this type of wear.2. Inspect likely causes of returnline restriction.

Page 9: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Warning Labels

The following shows the position of the safety signs required to ensure safeoperation. There is some variation in possible warning label locationsdependent upon the borer model. There is also varying Quick Hitch Frameconfigurations. Reference to the two photos below in combination shouldreveal all possible configurations.

Warning – Keep 2 metres clear Pinch Points Crushing

NK1, NK2 & NK4 Borers (shown with QH frame for Skid Steer)

BU1 & BU2 Borers (shown with QH frame forBackhoes/Excavators)

Page 10: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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BU-0 MINI DIRECT DRIVE BORER

Specifications

Machine size up to: 2 tonneOperating Flow Rate: 20 - 45 lpm (5-12 gpm)Max. Operating Pressure: 241 bar (3500 psi)Transmission: Direct DriveOutput Torque @ Max. Pressure: 1350 Nm (996 ft lb)Available Augers: 100 mm(4”) to 350 mm (14”)

recommendedMass (with frame, nil augers): 65 kg (143 lb)

Maintenance

The model “BU-0” Borer is directly driven by a hydraulic motor. These motordrives an output shaft supported by tapered roller bearings. These bearingsare contained in the bearing housing (reference # 69BUL003). A seal at thebottom and the motor at the top of the housing retain the grease in thishousing.

Weekly, or after every 30 hours of operation, check all the bolts retaining themotor and bearing housing to ensure that they are tight. Check the mountingframe pivot bolts for excessive wear and ensure the frame is pivoting properly.The output shaft should be checked for excess “play” in the bearings. Do thisby gripping the shaft and seeking to move it backwards, forwards, up anddown. There should be no significant movement possible. Excessivemovement can be an indication of bearing failure or out the loosening of thelock nut which applies pre-load to the bearings. The bearings, locknut andlock washer should all be checked.

Even in the absence of any negative symptoms the bearings etc should bechecked every 6 months (or 500 hours). To do so first remove the four boltswhich retain the hydraulic motor to the bearing housing (part # 69BUL003).The motor should now be able to be removed. Note that the motor shaft slidesinto the output shaft and this connection could be tight, meaning in this casethat some force will need to be applied to remove the motor. Once the motorhas been removed, disengage the lock washer locking tab and remove thelocknut & washer. The shaft should now slide easily out through the bottom ofthe bearing housing. The bearings and bottom seal can now be removed,cleaned and inspected.

Replace any worn or faulty parts and then reassemble the bearing housing,taking care to repack the bearings in fresh bearing grease. Note that settingthe correct pre-load on tapered roller bearings is a skilled operation. Thelocknut should be tight enough to ensure that the shaft and bearings areproperly retained without being so tight as to cause the bearings to bind up.Once the optimum pre-load is obtained fold over one of the lock washer tabsto hold the locknut in place.

Page 11: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Spare Parts

Page 12: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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BU1 & BU2 HYDRA-DIG BORER

The BU1 and BU2 planetary reduction Auger Drive Unit are identical inconfigurations with the exception of the hydraulic motor. The BU1 utilizes asmaller motor compared to the BU2 and is used for lower flow machines. BothBU Auger Drive Units are a compact powerful borer designed to give youoptimum performance with very little maintenance. If you follow these simpleinstructions this attachment will give you the best return for your investment.

Specifications: Supplied with either a 65 mm round or 2” hexagonal outputshaft.

The maximum operating pressure the motor is rated to is207 bar (3000 psi)

The maximum flow rate for the BU1 is 40 l/min (11 gpm).The maximum flow rate for the BU1 is 75 l/min (20 gpm).

It is important to note that one auger unit will not be suitable for all machines.Before fitting to another machine make sure thatneither of the above operating flows or pressuresare not exceeded. Failure to do so may shorten thelife expectancy of the borer and will void warranty onthe unit.

If you have any doubts about machine flows andpressures, feel free to contact Hydrapower foradvice on such matters.

Maintenance

The oil in the gearbox lubricates the output shaftupper and lower bearings. The bottom seal cover(reference number 69BU028) is not a retainer cover, rather it is there to protectthe seal from damage by debris while boring.

After the first 50 hours of use and every 500 hours thereafter, the gear-oil shouldbe changed. Remove the drain plugs (reference number 69BU026) from theupper gearbox housing. Lay the auger unit on its side to allow the oil to drain(measure the quantity of oil removed). With the borer in an upright position, fillthe gearbox with 80W-90 gear-oil until the oil comes out of the drain hole. Takenote of the amount of oil used to fill the gearbox. If more oil is put in than whatwas taken out, it could mean that you have a slow oil leak and you should checkthe gearbox level more regularly to prevent the gearbox running dry.

Tighten the drain plugs and after the borer has been used and the oil is stillwarm re-tighten them.

Periodically pump grease into the nipples. Ensure that all bolts are tight.

Page 13: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Page 14: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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NK1 STANDARD BORER

Your NK1 planetary reduction Auger drive unit is a compact powerful borerdesigned to give you optimum performance with very little maintenance. If youfollow these simple instructions this attachment will give you the best return foryour investment.

Specifications: The NK1 is supplied with a 2” hexagonal output shaft.The maximum operating pressure the motor is rated to is207 bar (3000 psi), and the maximum flow rate is 75 L/min(20 gpm).

It is important to note that one auger unit will not be suitable for all machines.Before fitting to another machine make sure that neither of the above operatingflows or pressures are not exceeded. Failure to do so may shorten the lifeexpectancy of the borer and will void warranty on the unit.

If you have any doubts about machine flows and pressures, feel free to contactHydrapower for advice on such matters.

Maintenance

The oil in the gearbox lubricates upper and lower bearing of the output shaft.After the first 50 hours of use and every 500 hours thereafter, the gear-oil shouldbe changed.

In order to change the oil it is necessary to remove the drive unit housings (partnumber 69NK1004) after removing the (8) retaining bolts (part number69NK1010). It is not necessary to remove the hydraulic motor to change the oilin the gearbox. Remove the drain plugs from the upper gearbox housing and laythe auger unit on its side to allow the oil to drain (measure the quantity of oilremoved).

Place the borer back in an upright position and fill the gearbox with 80W-90gear-oil until the oil comes out of the drain hole. Take note of the amount of oilused to fill the gearbox. If significantly more oil is put in than what was taken out,it could mean that you have a slow oil leak and you should check the gearboxlevel more regularly to prevent the gearbox running dry. Tighten the drain plugs,and after the borer has been used and the oil is still warm re-tighten them.

Periodically, all the bolts of the borer should be checked to ensure they are tight,paying particular attention to the bolts securing the hydraulic motor. In normaloperation, to “shake” dirt off the auger, the hydraulic motor is rapidly put intoforward and reverse. This repeated change in oil flow to the hydraulic motorleads to opposing forces (direction of rotation) on the motor housing. Loose boltsmay lead to the housing flange failing. Periodically pump grease into the nippleson the borer’s yoke (part number 69NK1002.)

Page 15: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Page 16: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

16

NK2 HIGH-PRESSURE BORER

Your NK2 planetary reduction Auger drive unit is a compact powerful borerdesigned to give you optimum performance with very little maintenance. If youfollow these simple instructions this attachment will give you the best return foryour investment.

Specifications: The NK2 is supplied with a 2” hexagonal output shaft. The maximum operating pressure the motor is rated to is241 bar (3500 psi), and the maximum flow rate is 95 l/min(25 gpm).Given the motor and gearbox combination of this borer, themaximum output torque possible is 3470 Nm.

It is important to note that one auger unit will not be suitable for all machines.Before fitting to another machine make sure that neither of the above operatingflows or pressures are not exceeded. Failure to do so may shorten the lifeexpectancy of the borer and will void warranty on the unit.

If you have any doubts about machine flows and pressures, feel free to contactHydrapower for advice on such matters.

Maintenance

The oil in the gearbox lubricates upper and lower bearing of the output shaft.After the first 50 hours of use and every 500 hours thereafter, the gear-oil shouldbe changed.

In order to change the oil it is necessary to remove the drive unit housings (partnumber 69NK2004) after removing the (8) retaining bolts (part number69NK2010). It is not necessary to remove the hydraulic motor to change the oilin the gearbox. Remove the drain plugs from the upper gearbox housing and laythe auger unit on its side to allow the oil to drain (measure the quantity of oilremoved).

Place the borer back in an upright position and fill the gearbox with 80W-90gear-oil until the oil comes out of the drain hole. Take note of the amount of oilused to fill the gearbox. If significantly more oil is put in than what was taken out,it could mean that you have a slow oil leak and you should check the gearboxlevel more regularly to prevent the gearbox running dry. Tighten the drain plugs,and after the borer has been used and the oil is still warm re-tighten them.

Periodically, all the bolts of the borer should be checked to ensure they are tight,paying particular attention to the bolts securing the hydraulic motor. In normaloperation, to “shake” dirt off the auger, the hydraulic motor is rapidly put intoforward and reverse. This repeated change in oil flow to the hydraulic motorleads to opposing forces (direction of rotation) on the motor housing. Loose boltsmay lead to the housing flange failing. Periodically pump grease into the nippleson the borer’s yoke (part number 69NK2002.)

Page 17: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Page 18: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

18

NK4 PLANETARY REDUCTION BORER

Your NK4 planetary reduction Auger drive unit is a compact powerful borerdesigned to give you optimum performance with very little maintenance. If youfollow these simple instructions this attachment will give you the best return foryour investment.

Specifications The NK4 is supplied with a 2” hexagonal or a 75mm squareoutput shaft. The maximum operating pressure the motor israted to is 260 bar (3770 psi) and the maximum flow rate is150 l/min (40 gpm).Given the motor and gearbox combination of this borer, themaximum output torque possible is 7400 Nm.

It is important to note that one auger unit will not be suitable for all machines.Before fitting to another machine make sure that neither of the above operatingflows or pressures are not exceeded. Failure to do so may shorten the lifeexpectancy of the borer and will void warranty on the unit.

If you have any doubts about machine flows and pressures, feel free to contactHydrapower for advice on such matters.

Maintenance

The oil in the gearbox lubricates the output shaftupper and lower bearings. The bottom seal cover(reference number 69SE2028) is not a retainercover, rather it is there to protect the seal fromdamage by debris while boring.

After the first 50 hours of use and every 500 hoursthereafter, the gear-oil should be changed. Removethe drain plugs that are visible through the cutoutholes in the auger unit housing, from the uppergearbox housing. Lay the auger unit on its side toallow the oil to drain (measure the quantity of oilremoved). With the borer in an upright position, fillthe gearbox with 80W-90 gear-oil until the oil comesout of the drain hole. Take note of the amount of oilused to fill the gearbox. If more oil is put in thanwhat was taken out, it could mean that you have aslow oil leak and you should check the gearbox levelmore regularly to prevent the gearbox running dry.

Tighten the drain plugs and after the borer has been used and the oil is stillwarm re-tighten them.

Periodically pump grease into the nipples. Ensure that all bolts are tight.

Page 19: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Page 20: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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Plant Assessed: Auger Drive Unit - Hydraulically Powered

Yes No

The numbers (1-7) in this chart indicate the priority as follows:

Have Lifting attachments appropriate for the load?

Is the plant serviced and maintained according to the manufacturers specifications?

Serial No.:…….………………………………………Scope: Drilling holes vertically into the ground

Model:………………………………………Date: 11 October 2005

Is the plant in good working condition?

Are service records kept for this particular item of plant?Does the plant create a risk of contact with:

Plant ChecklistA more detailed analysis is required if the shaded area is not ticked.

Is the plant designed to preform the work outlined in the scope?Has the plant been modified from the original condition?

Overhead Power Lines?Underground Cables?

risk assessment should be used in conjunction with this supplied risk assessment to identifyrisk associated with your specific environment and safe work practices.

plant to identify risks. The operation and maintenance manual as well as the operator's own

Have specified safe working limits?

This Risk Assessment has been compiled by Hydrapower to assist the owner and operator of

Have safe access and egress conditions?Have sufficient work instructions?

Does The Plant:

MODIFICATIONS VOID THIS RISK ASSESSMENT

RISK LEVEL FOR HAZARDS IDENTIFIED

4 or 5 - Moderate Risk, do something about these risks as soon as possible6 or 7 Low Risk, these risks may not need your immediate attention

1,2 or 3 - High Risk, do something about these risks urgently

PLANT RISK ASSESSMENT

Page 21: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

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coul

d re

leas

e hi

gh p

ress

ure

fluid

.

Is it

pos

sibl

e th

at in

jury

or i

llnes

s m

ay

occu

r due

to c

onta

ct w

ith fl

uids

und

er

pres

sure

, thr

ough

pos

sibl

e pi

ping

failu

re.

mis

use,

etc

.

YES

If pa

rt of

the

body

is p

lace

d un

der t

he a

uger

ther

e is

a ri

sk o

f inj

ury

Is it

pos

sibl

e to

be

inju

red

betw

een

mac

hine

par

ts a

nd w

ork

piec

es o

r m

achi

ne p

arts

and

stru

ctur

es.

5. F

rictio

n H

azar

d

YES

If by

stan

ders

are

in c

lose

pro

xim

ity to

the

rota

ting

auge

r the

y m

ay

com

e in

con

tact

with

the

auge

r or a

uger

driv

e un

it an

d su

stai

n an

in

jury

Is it

pos

sibl

e to

rece

ive

abra

sion

s or

bu

rns

from

con

tact

with

rota

ting

parts

of

plan

t or s

urfa

ces

or m

ater

ials

han

dled

by

the

plan

t.

YES

3. C

uttin

g St

abbi

ng &

Pun

ctur

e H

azar

ds

Is it

pos

sibl

e to

be

stru

ck b

y or

stri

ke

shar

p ob

ject

s in

or e

ject

ed fr

om p

lant

Whe

n co

nnec

ting

the

atta

chm

ent's

hyd

raul

ic li

nes

to th

e ho

st

mac

hine

, if t

he c

ontro

ls a

re in

adve

rtent

ly m

oved

par

t of t

he b

ody

may

be

cru

shed

by

the

quic

k co

uple

r, ty

res

or tr

acks

.

In a

ski

d st

eer l

oade

r, if

the

oper

ator

exi

ts th

e lo

ader

with

the

load

er

arm

s ra

ised

, if t

he lo

ader

arm

s ar

e no

t loc

ked,

and

ther

e is

a h

ydra

ulic

fa

ilure

the

oper

ator

may

get

cru

shed

bet

wee

n th

e lo

ader

arm

s an

d lo

ader

.

1.E

ntan

glem

ent H

azar

d

2.C

rush

ing

Haz

ard

Is it

pos

sibl

e to

be

crus

hed

due

to:-

Fa

lling

or m

ovin

g ob

ject

s or

pla

nt,

betw

een

plan

t and

imm

ovab

le o

bjec

ts,

plan

t tip

ping

or r

ollin

g, e

tc.

4. S

hear

ing

Haz

ard

6. H

igh

Pre

ssur

e Fl

uid

Haz

ard

NO

Type

Of H

azar

dYe

s/N

o

A. M

ECH

AN

ICAL

HAZ

AR

D

Is it

pos

sibl

e to

bec

ome

enta

ngle

d or

dr

awn

into

mov

ing

com

pone

nts

of th

e pl

ant?

Eg.

Per

sons

clo

thin

g, h

air,

body

pa

rts, j

ewel

lery

, han

d he

ld c

lean

ing

equi

pmen

t, et

c.

YES

If th

e an

swer

to th

e qu

estio

n is

yes

, Spe

cify

the

part,

pla

nt o

r situ

atio

n th

at c

ould

cau

se th

e ha

zard

If a

byst

ande

r is

in c

lose

pro

xim

ity to

the

rota

ting

auge

r, cl

othi

ng m

ay

get c

augh

t on

the

auge

r dra

win

g th

e pe

rson

inS

afet

y de

cal f

itted

to A

uger

Driv

e U

nit a

dvis

ing

the

dist

ance

by

stan

ders

sho

uld

be fr

om th

e op

erat

ing

atta

chm

ent.

Saf

ety

deca

l fitt

ed to

aug

er d

rive

unit

advi

sing

the

dist

ance

bys

tand

ers

shou

ld b

e fro

m th

e op

erat

ing

atta

chm

ent.

Saf

ety

deca

l fitt

ed to

aug

er d

rive

unit

advi

sing

the

dist

ance

bys

tand

ers

shou

ld b

e fro

m th

e op

erat

ing

atta

chm

ent.

Turn

off

the

host

mac

hine

whe

n co

nnec

t the

hyd

raul

ic li

nes.

Low

er th

e lo

ader

arm

s pr

ior t

o ex

iting

the

mac

hine

Bur

st p

rote

ctio

n sl

eeve

fitte

d to

sup

ply

and

retu

rn li

nes

of a

ttach

men

t as

thes

e ar

e th

e ho

ses

at g

reat

est r

isk

of fa

ilure

.E

Wea

r saf

ety

glas

ses

whe

n op

erat

ing

atta

chm

ent

PPE

Reg

ular

insp

ectio

n of

hos

es a

s pe

r mai

nten

ance

man

ual

T

Page 22: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

Con

trol L

egen

d: E

– E

ngin

eerin

g S

– S

ubst

itutio

n T

– T

rain

ing

A –

Adm

inis

trativ

e P

PE –

Per

sona

l Pro

tect

ive

Equi

pmen

t22

5 5 3A

/T

3. Is

ther

e a

poss

ibili

ty o

f a fi

re s

tarti

ng

from

faul

ty e

lect

rical

equ

ipm

ent

NO

2. Is

ther

e a

poss

ibili

ty o

f bur

ns o

r el

ectro

cutio

n fro

m fa

ult p

ower

lead

s,

over

load

ed c

ircui

ts, e

tc.

NO

1. Is

ther

e a

poss

ibili

ty o

f pla

nt c

onta

ctin

g or

com

ing

with

-in c

lose

pro

xim

ity to

po

wer

lines

.

NO

Is in

jury

or i

llnes

s po

ssib

le fr

om

prol

onge

d us

e of

vib

ratin

g eq

uipm

ent o

r pl

ant.

9. S

triki

ng H

azar

d

YES

Trav

ellin

g w

ith a

ttach

men

t uns

uppo

rted

may

mak

e th

e au

ger s

win

g ar

ound

vio

lent

ly

Is it

pos

sibl

e fo

r som

eone

to b

e st

ruck

by

flyin

g or

mov

ing

obje

cts

due

to:-

U

ncon

trolle

d m

ovem

ent o

f pla

nt, p

lant

or

parts

of t

he p

lant

or w

orkp

lace

s di

sint

egra

ting,

etc

.

7. M

obile

Pla

nt H

azar

ds

YES

Trav

ellin

g w

ith a

ttach

men

t rai

sed

too

high

will

cha

nge

the

cent

re o

f gr

avity

of t

he h

ost m

achi

ne m

akin

g th

e pl

ant u

nsta

ble

or th

e au

ger

may

sw

ing

arou

nd v

iole

ntly

Is it

pos

sibl

e fo

r inj

ury

or il

lnes

s th

roug

h th

e op

erat

ion

of a

ny m

obile

pla

nt fr

om

rollo

vers

, fal

ling

load

s, c

rush

ing,

stri

king

, co

llisi

ons,

uns

uita

ble

or u

nsta

ble

plan

t et

c. B. E

LEC

TRIC

AL H

AZAR

D

8. V

ibra

tion

Haz

ard

YES

The

exis

ts th

e po

ssib

ility

of r

aisi

ng th

e at

tach

men

t to

high

whe

n be

neat

h po

wer

lines

or d

rillin

g in

to s

ubte

rrane

an p

ower

lines

Fric

tion

was

hers

fitte

d to

aug

er u

nit y

oke

to d

ampe

n au

ger s

win

gE E

Ope

rato

r to

low

er lo

ader

arm

s or

dip

per a

rm w

hen

trave

lling

T

Fric

tion

was

hers

fitte

d to

aug

er u

nit y

oke

to d

ampe

n au

ger s

win

gE

Aug

er h

ead

crad

le in

corp

orat

ed in

to c

arry

ing

fram

e to

sup

port

auge

r un

it w

hen

trave

lling

E

Ope

rato

r to

low

er lo

ader

arm

s or

dip

per a

rm w

hen

trave

lling

T

Aug

er h

ead

crad

le in

corp

orat

ed in

to c

arry

ing

fram

e to

sup

port

auge

r un

it w

hen

trave

lling

Prio

r to

wor

king

in a

n ar

ea, t

he o

pera

tor s

houl

d ch

eck

to e

nsur

e th

ere

are

no e

lect

rical

haz

ards

Page 23: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

Con

trol L

egen

d: E

– E

ngin

eerin

g S

– S

ubst

itutio

n T

– T

rain

ing

A –

Adm

inis

trativ

e P

PE –

Per

sona

l Pro

tect

ive

Equi

pmen

t23

E5

A/T

5PP

E

5A/

T

5A/

T

2. O

veru

se S

yndr

ome

NO

Is it

pos

sibl

e th

at in

jury

or i

llnes

s m

ay

resu

lt fro

m re

petit

ive

mov

emen

t inv

olvi

ng,

liftin

g, tw

istin

g, e

tc.

D. E

RG

ON

OM

IC H

AZAR

DS

1. W

orks

tatio

n D

esig

n

YES

It m

ay b

e po

ssib

le th

at th

e op

erat

or w

ho n

eeds

to a

cces

s th

e ho

st

mac

hine

by

stan

ding

on

the

atta

chm

ent s

lips

and

falls

whe

n en

terin

g or

leav

ing

the

host

mac

hine

.

Is it

pos

sibl

e fo

r inj

ury

or il

lnes

s to

occ

ur

due

to:-

Pos

ture

, poo

r vis

ibili

ty, m

is-

mat

ch o

r wor

kers

and

mac

hine

s ov

er

reac

hing

, lift

ing,

ben

ding

, tw

istin

g, e

tc.

3. E

nviro

nmen

tal H

azar

ds

YES

Hyd

raul

ic o

il es

capi

ng fr

om a

bur

st h

ose

coul

d co

me

in c

onta

ct w

ith

the

grou

nd

Is it

pos

sibl

e to

cre

ate

an e

nviro

nmen

tal

prob

lem

thro

ugh

chem

ical

spi

llage

, se

epag

e, d

ispo

sal,

dum

ping

, etc

. of

chem

ical

s

1. F

ire o

r Exp

losi

on H

azar

d

2. E

xpos

ure

Haz

ard

Is it

pos

sibl

e th

at p

erso

ns c

an b

e ex

pose

d to

che

mic

als

crea

ting

burn

s,

resp

irato

ry p

robl

ems

or to

xic

affe

cts

thro

ugh

inge

stio

n, in

hala

tion,

abs

orpt

ion

or in

ject

ion

Is it

pos

sibl

e th

at c

hem

ical

s co

uld

expl

ode

of b

urn.

C. C

HEM

ICAL

HAZ

ARD

YES

Hyd

raul

ic o

il es

capi

ng fr

om a

bur

st h

ose

unde

r pre

ssur

e co

uld

form

a

fine

mis

t whi

ch m

ay ig

nite

if th

e m

ist c

ame

in c

onta

ct w

ith a

hot

su

rface

or f

lam

e.

YES

Hyd

raul

ic o

il es

capi

ng fr

om a

bur

st h

ose

unde

r pre

ssur

e co

uld

spra

y th

e op

erat

or o

r bys

tand

er w

ith h

ot o

il.

Ope

rato

r sho

uld

revi

ew th

e pr

oced

ure

of e

nter

ing

and

leav

ing

the

cab

and

ensu

re th

ere

are

adeq

uate

han

dles

on

the

host

mac

hine

for

supp

ort.

Reg

ular

insp

ectio

n of

hos

es a

s pe

r mai

nten

ance

man

ual

Reg

ular

ins

pect

ion

of h

ydra

ulic

hos

es a

s pe

r mai

nten

ance

man

ual.

Bur

st p

rote

ctio

n sl

eeve

fitte

d to

sup

ply

and

retu

rn li

nes

of a

ttach

men

t as

thes

e ar

e th

e ho

ses

at g

reat

est r

isk

of fa

ilure

.

Bur

st p

rote

ctio

n sl

eeve

fitte

d to

sup

ply

and

retu

rn li

nes

of a

ttach

men

t as

thes

e ar

e th

e ho

ses

at g

reat

est r

isk

of fa

ilure

.

E

Wea

r saf

ety

glas

ses

whe

n op

erat

ing

atta

chm

ent

Reg

ular

insp

ectio

n of

hos

es a

s pe

r mai

nten

ance

man

ual.

Saf

ety

deca

l fit

ted

to a

ttach

men

t adv

isin

g th

e di

stan

ce b

ysta

nder

s sh

ould

be

from

th

e op

erat

ing

atta

chm

ent.

A/T

Page 24: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

Con

trol L

egen

d: E

– E

ngin

eerin

g S

– S

ubst

itutio

n T

– T

rain

ing

A –

Adm

inis

trativ

e P

PE –

Per

sona

l Pro

tect

ive

Equi

pmen

t24

YES

N/A 4

A/T

4. Is

ther

e a

poss

ibili

ty o

f bur

ns o

r fire

ha

zard

due

to e

xtre

me

tem

pera

ture

s.N

O

6. Is

ther

e a

poss

ibilit

y of

illn

ess

due

to

poor

hou

seke

epin

g, s

tora

ge o

f mat

eria

ls,

slip

s, tr

ips,

falls

, etc

.YE

S

5. Is

ther

e a

poss

ibilit

y of

illn

ess

due

to

extre

mes

in te

mpe

ratu

res

NO

2. Is

it p

ossi

ble

for s

omeo

ne to

be

inju

red

or h

ave

ill he

alth

due

to th

e pr

oces

s of

th

e ta

sk d

ue to

the

expo

sure

to d

ust.

Fum

es, t

oxic

gas

es, v

apou

r, et

c.

NO

F. S

YSTE

MS

OF

WO

RK

1. A

re th

ere

SW

I for

this

pla

nt.

Ope

ratio

n m

anua

l was

sup

plie

d w

ith a

ttach

men

t fro

m th

e m

anuf

actu

rer

NO

NO

Loos

e de

bris

and

unc

heck

ed o

il le

aks

or d

irt o

n th

e pi

ck-u

p fra

me

coul

d in

crea

se th

e ris

k of

slip

ping

whe

n en

terin

g or

exi

ting

the

cab

of

the

host

mac

hine

.

The

oper

ate

shou

ld k

eep

the

atta

chm

ent c

lean

in a

ccor

danc

e w

ith th

e m

aint

enan

ce s

ched

ule

in th

e M

aint

enan

ce M

anua

l.

E. B

IOLO

GIC

AL H

AZAR

DS

NO

1. Is

it p

ossi

ble

or in

jury

or i

llnes

s to

oc

cur t

hrou

gh h

andl

ing

of c

loth

ing,

PP

E,

hous

ekee

ping

etc

.

2. Is

it p

ossi

ble

for i

njur

y or

illn

ess

to

occu

r thr

ough

the

hand

ling

of w

aste

pr

oduc

t, un

ster

ilise

d eq

uipm

ent e

tc.

3. Is

ther

e a

poss

ibili

ty o

f suf

foca

tion

due

to la

ck o

f oxy

gen

or p

oiso

ning

due

to

cont

amin

ated

atm

osph

ere.

Page 25: To the Purchaser - Flexihire Equipment Hire...powerful Skid Steer Loader of the same name. The majority of work at that time was related to the manufacture of drilling rigs, water

Con

trol L

egen

d: E

– E

ngin

eerin

g S

– S

ubst

itutio

n T

– T

rain

ing

A –

Adm

inis

trativ

e P

PE –

Per

sona

l Pro

tect

ive

Equi

pmen

t25

G. P

LAN

T LO

CA

TIO

N (E

nviro

nmen

t) N/ A NO

YES

4A/

TN

ON

OYE

SA/

T

3A/

T

Une

ven

grou

nd c

ould

lead

to h

ost m

achi

ne ro

lling

over

The

oper

ator

sho

uld

insp

ect t

he a

rea

prio

r to

com

men

cing

wor

k

NO

On

diffe

rent

leve

ls o

f bui

ldin

gs?

On

days

of s

till c

limat

ic c

ondi

tions

?

7. Is

ther

e a

poss

ibilit

y of

inju

ry d

ue to

a

fall

from

hei

ght,

unpr

otec

ted

hole

s,

inad

equa

te g

uard

rails

, col

laps

e of

st

ruct

ures

, etc

.

Sub

-Ter

rani

an lo

catio

ns?

Con

fined

Spa

ces?

Nea

r Exc

avat

ions

?

Is it

pos

sibl

e fo

r inj

ury,

illn

ess

or

dam

age

to o

ccur

due

to th

e lo

catio

n of

the

plan

t

On

back

fill o

r unc

ompa

cted

gro

und?

Has

the

plan

t an

iden

tifie

d lif

ting

poin

t th

at is

com

patib

le to

the

wei

ght b

eing

lif

ted?

A/T

Une

ven

grou

nd c

ould

lead

to h

ost m

achi

ne ro

lling

over

The

oper

ator

sho

uld

insp

ect t

he a

rea

prio

r to

com

men

cing

wor

k

YES

Qui

ck c

oupl

er is

fitte

d to

the

atta

chm

ent

Ope

rato

r sho

uld

regu

larly

insp

ect t

he c

ondi

tion

of th

e qu

ick

coup

ler i

n ac

cord

ance

with

the

mai

nten

ance

man

ual

6

Inad

verte

nt o

pera

tions

of c

ontro

lsN

O

A/T

3O

pera

tor t

o en

sure

that

the

atta

chm

ent i

s ad

equa

tely

sec

ured

prio

r to

trans

porta

tion.

H. O

THER

HAZ

AR

DS

Tran

spor

tatio

nYE

SIf

the

atta

chm

ent i

s no

t sec

ured

whe

n tra

nspo

rting

, the

re is

a ri

sk th

at

it w

ill fa

ll of

f dam

agin

g pr

oper

ty o

r per

sonn

el in

jury

.

Tyre

failu

re d

ue to

con

ditio

nN

O

Load

s fa

lling

on o

pera

tor

YES

If at

tach

men

t is

rais

ed w

ithou

t eng

agin

g th

e lo

ckin

g pi

ns o

f the

qui

ck

coup

ler,

the

atta

chm

ent m

ay fa

ll of

f the

qui

ck c

oupl

er o

nto

the

oper

ator

or b

ysta

nder

The

oper

ator

sho

uld

secu

re th

e qu

ick

coup

lers

lock

ing

pins

prio

r to

liftin

g th

e at

tach

men

t off

the

grou

nd