TOMKAT 2 & SIGEN 2

USER GUIDE

Introduction The TOMKAT 2 Cable Locator is the ideal instrument for use in

underground cable avoidance. It’s robust construction and easy-to-use

controls make it the perfect tool for the professional utility specialist. (1)

What’s in the Manual The manual explains how to prepare the TOMKAT 2 for use and then describes the function of

each control. There is a section devoted to operating the TOMKAT 2 and this is followed by

general locating tips which will help you get the most out of your TOMKAT 2.

(2)

Operating Controls

(3)

1. On/Off Switch Depress this switch to turn the unit on. Release it

to switch the unit off. When the switch is

depressed the unit will emit a beeping sound. If

no sound is heard, replace the batteries.

2. Mode Selector Switch Use this switch to select the required

operating mode. The three modes are: A. Power B. Radio C.Generator The method of using the different modes is

described later.

3. Sensitivity Control Knob This is used to eliminate background noise and

minimize the response width of the instrument.

4. Speaker

Warning: To avoid to much exposure

to noise do not hold the speaker too

close to the ear when in use and

avoid using it for long periods.

The speaker can be unscrewed and

held close to the ear when locating

in noisy environments. When not is

use the speaker should be replaced

back into its housing. (4)

5. Battery Compartment If the TOMKAT 2 does not emit a bleep when

switched on, the batteries may need replacing.

The TOMKAT 2 is powered by eight 1.5v AA

cells, which are housed under the Warning

panel on the side of the instrument. To replace the batteries, remove the panel, push

the two retaining clips towards the panel and lift it

out of the casing. Remove the batteries and fit

new ones. Battery orientation is marked on the

battery housing under each battery Replace the panel and ensure that the retaining

clips click into place. Switch on the instrument

and ensure that the beeping sound can be heard. The instrument is now ready for use. If there is still no sound the Tomkat should

be sent for repair. Note: To ensure peak performance always

replace the batteries as a set. Set the instrument controls as follows: 1. Lift the locator so that the middle fingers

can operate the On/Off switch. This

leaves the forefinger free to operate the

sensitivity control and mode switch.

2. Turn the mode switch to Power Mode.

3. Turn the sensitivity knob fully clockwise.

(5)

Location Procedure Safety

Warning: Although the TOMKAT 2 will locate most services there

are some cables which do not radiate signals and which cannot

be located with the TOMKAT 2. Always excavate with care. Always check for correct operation by using P mode to locate a power cable

with which you are familiar and to ensure that the response is what you expect. Not all cables carry current, and the TOMKAT 2 will not detect these in P mode. For

the instrument to locate cables in P mode, they must be carrying sufficient current. Underground pipes can often emit power and radio signals. The instrument cannot

recognise if the service is a cable or pipe and will only indicate the presence of a service. Buried services do not always radiate a detectable signal. To locate these

cables use the TOMKAT 2 in conjunction with the SIGEN 2. This is the

most accurate method for locating, tracing, and identifying a cable.

Locating

Warning: There are some cables that cannot be detected using

P mode. Once a search of the area has been completed in P

mode perform the search again with the TOMKAT 2 in R mode.

Before starting to locate, consult local utility offices to

obtain as much information as possible regarding the

underground services in the proposed search area. If

available, obtain a utility map of the area as this will

assist you in the location of buried services.

When using the TOMKAT 2 always hold it

upright and do not swing it from side to

side (see illustration) (6)

Reinforcing steel bars in concrete can interrupt

signals from an underground service by spreading

the signal or deflecting it. If you suspect that this is

happening lift the locator about 200mm (8”0) from

the ground whilst locating.

To locate a cable: Power Mode Power signals are those which are emitted

by current carrying cables. The current is

often generated by nearby load carrying

conductors as shown in the diagram.

Radio Mode These are very low frequency signals generated by

remote radio transmitters. The signals enter the

ground and are re-generated by buried conductors. Note: These signals are not always present.

1. Switch on the instrument, select P mode

and ensure the sensitivity control knob is

turned fully clockwise.

2. Search the area in a grid-like fashion using the

sensitivity control knob to reduce background

noise and continue searching until there is no

further beeping noise from the instrument or you

are outside of the search area.

(7)

3. Return to the mid point of the signal and, holding

the TOMKAT 2 level, rotate it about its axis until the

minimum signal is found. Use the sensitivity control

to obtain a narrow response (See illustration).

4. Rotate the locator about its axis by 90˚ so that it will be across the run of

the service at that point.

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5. Move the locator backwards and forwards across the service whilst

reducing the sensitivity to give a narrow response width. The locator is

now directly above the service and at right angles to it.

6. To trace the line of the service, walk along the expected direction moving the locator

from side to side with the blade at 90˚ to the line of service. Always keep the locator

vertical and, using marker paint or chalk, mark the route of the service as required.

7. Repeat the procedure using R mode and with the sensitivity control

turned fully clockwise.

(9)

Locating with the TOMKAT 2 and a SIGEN 2 Pre-use test Before using the TOMKAT 2 with the generator,

perform a functional check as follows: 1. Place the generator on the ground and

switch it to induction. 2. Ensure there is a sound from the speaker. 3. Hold the TOMKAT 2 with the foot facing

towards the generator, with the TOMKAT 2

switched on and set to maximum

sensitivity, check that the audio response. Induction In this mode, the generator signal is induced

onto the cable and the TOMKAT 2 is used

to trace the signal. To trace a cable in induction mode, proceed

as follows: 1. Place the generator on the ground and

select induction. 2. Switch on the TOMKAT 2 and select G

mode. Starting at a distance of approximately

10 metres from the generator trace the cable

and mark its position. Direct connection In this locating method the generator is directly

connected to a service by means of the appropriate

connection leads to a suitable connection point.

Warning: Direct connections should only

be made by suitably qualified users. (10)

Equipment Care and Maintenance Although the TOMKAT 2 is of rugged design, it must be remembered that it is a precision

instrument and should be cared for accordingly. By following these simple precautions it will

give many years of useful service. 1. Do not drop the instrument. 2. Keep it clean and properly stored when not in use. 3. Ensure it is calibrated by an approved calibration centre at regular periods. Pact Services Limited. As the manufacturers of the TOMKAT 2 and the SIGEN 2 we want you to be assured of our

service and the quality of our products. Should your equipment need repairing or servicing we

offer the following as standard. Repair Service - Locator - Our 16 point service and repair process :: Clean the LOCATOR and remove all the labels except serial number label. :: Strip clean and re-assemble the speaker unit, replace the speaker if necessary. :: Replace the battery holders and batteries using Varta alkaline batteries. :: Check the battery snap, replace if necessary. :: All minor case damage is repaired. :: Replace the micro switch if necessary. :: Replace the potentiometer. :: Remove the circuit board and bench calibrate. :: Check the aerials for any water ingress and damage. :: Replace the calibrated circuit board. :: Test the LOCATOR is functioning correctly in all modes. :: Remove the serial number label. :: Replace all labels ensuring the correct serial number and calibration dates are fitted. :: Polish the LOCATOR. :: Compile a repair worksheet. :: Issue a calibration certificate. Compile a delivery note confirming the serial number, plant number and the individual cost for

each repair. In the unlikely event of a repair requiring extra work we will contact you with the cost

and your permission to carry out the repair before commencing the work. Repair Service - Signal Transmitter - Our 12 point service and repair process :: Clean the TRANSMITTER and remove all the labels. :: Put the serial number on the main case. :: Inspect the main case for damage. :: Clean and test all accessories. :: Replace the batteries using Varta alkaline batteries. :: Check the battery connectors. :: Bench calibrate the circuit board. :: Test the TRANSMITTER is functioning correctly in all modes. :: Replace all labels ensuring the correct serial number and calibration dates are fitted. :: Polish the TRANSMITTER. :: Compile a repair work sheet. :: Issue a calibration certificate. Compile a delivery note confirming the serial number, plant number and the individual cost

for each repair. In the unlikely event of a repair requiring extra work we will contact you with the cost and your

permission to carry out the repair before commencing the work. (11)

Notes:- (12)

Notes:- (13)

Training courses also available for our other products. Pact Services offer a range of training courses for the Tomkat 2 Cable Locator, Sigen 2 generator, Sonde

transmitter, Signal Clamp, Flexi reel and MCL1 Metal detector, our training courses are available at our Market

Harborough centre or your preferred location. Training is carried out by qualified instructors. Each trainee receives a certificate to confirm they have received the appropriate training.

For more information on our training services please contact us.