Method 1:Method 1:Method 1:Method 1:Most Most Most Most Straight Shafts & Spindle Driven Curved Shafts ( Honda, Echo & Makita) Use wUse wUse wUse when removing whole housing hen removing whole housing hen removing whole housing hen removing whole housing andandandand there is no removable shaft extensionthere is no removable shaft extensionthere is no removable shaft extensionthere is no removable shaft extension

(Do not use for Ryobi, Homelite, Toro or Stihl Curved Shaft models)

YOU WILL ONLY NEED 1 NUT OR BOLT Hardware PackageHardware PackageHardware PackageHardware Package::::

Model

Curved

Shaft

Straight

Shaft

Bolens 3 2 or 3

Craftsman 3 1

Cub Cadet 3 3

Echo 1 1

Homelite 3 3 or 4

Honda 1 1

Husqvarna 1 1

John Deere 4 4

4 BOLTS (MOSTLY CURVED SHAFTS)

11 NUTS (MOSTLY STRAIGHT SHAFTS)

1 HEX ADAPTOR (METHOD 3) PLASTIC SPACER (Some Curved and Straight Shaft models)

WASHER (ALWAYS USE WITH METHOD 3)

ADAPTOR CUP (SPEED SPOOLS - METHOD 2)

Model

Curved

Shaft

Straight

Shaft

Kawasaki 1 1

Makita 1 1

Maruyama 1 1

McCulloch 3 1

MTD 3 3

Poulan 1 1

RedMax 1 1

Ryobi 3 3 or 4

Model

Curved

Shaft

Straight

Shaft

Shindawa 1 1

Stihl email

FS35/36 1

Talon 3 1

Tanaka 1 1

Troy-Bilt 1 or 3 1 or 3

Weedeater 1 1

Victa email 1

OTHERS email email

Installation Instructions – All Petrol + Flexi Drive Electric Models

FIRST READ SAFETY INSTRUCTIONS! - Then determine which method your trimmer requires.

***NO LIABILTY IS ACCEPTED FOR MISUSE OR MISFITTING, SO PLEASE READ CAREFULLY INSTRUCTIONS BELOW***

1.) Consult owners manual to determine method to lock shaft rotation. (Could be a key hole or require a wrench)

2.) Unscrew ENTIRE trimmer head spool assembly to expose threaded shaft.

3.) Identify which nut from the package threads easily onto the shaft. (Use ¼” plastic spacer for Stihl & Husvarna models)

4.) Place the identified nut into the recessed hex cavity of the Ugly Head

5.) Hold nut in place with your finger, and securely tighten the Ugly Head onto the shaft by turning

head with the shaft rotation locked. No need to overtighten.

Do not attempt to make any adjustment or modifications not listed in your Trimmer Operator’s Manual or this

instruction sheet. Follow the manufacturer’s safety and operating instructions. Unauthorised modifications to your

trimmer may result in the failure of your trimmer or trimmer head and cause serious personal injury.

FOR PETROL TRIMMERS

The charts below are meant to be a general guide for installation methods. Variations in adaption methods are very

common so if you have difficulty installing your UGLY HEAD, email sales@sontax.com.au Your product is designed in

the USA. Some trimmers may need additional hardware for Australian market. eg: STIHL FS36 / FS35

Method 2:Method 2:Method 2:Method 2: SPEED SPOOL TRIMMERS (USUALLY A YELLOW TRIMMER HEAD) Also use on other Curved Shaft models Also use on other Curved Shaft models Also use on other Curved Shaft models Also use on other Curved Shaft models when the spool housing is not removablewhen the spool housing is not removablewhen the spool housing is not removablewhen the spool housing is not removable

Method Method Method Method 3333:::: *** MOST Popular Curved Shaft Trimmers*** (Ryobi, Homelite, Talon) Also use on other Curved Shaft models Also use on other Curved Shaft models Also use on other Curved Shaft models Also use on other Curved Shaft models when the spool housing when the spool housing when the spool housing when the spool housing isisisis removableremovableremovableremovable

Method Method Method Method 4444:::: Some Straight Shaft Trimmers with SHAFT EXTENTIONS

To maximize the Ugly Head’s performance follow these tips:

• Run your trimmer at ½ - ¾ Throttle Speed

• Do your concrete edging last and use good quality trimmer line! Ugly Head Replacement Line is available.

• PLEASE DO NOT RETURN PRODUCT UNTIL CONTACTING sales@sontax.com.au

COMMON MISTAKE IS INSTALLING UGLY HEAD ON SHAFT UPSIDE DOWN – please refer to diagrams closely

1.) Unscrew knob & remove ONLY the knob, spool and spring. (Leave spool housing on trimmer)

2.) Identify which nut OR bolt easily threads onto your trimmer.

3.) Insert the plastic ADAPTOR CUP into the original spool housing, cover with metal washer.

4.) Insert identified nut or bolt into the recessed cavity of the Ugly Head.

5.) Hold nut or bolt in place with finger and turn Ugly Head to snug entire assembly. Do not overtighten!

1.) Unscrew knob and remove entire trimmer head assembly.

2.) Unscrew SHAFT EXTENSION to expose primary shaft.

3.) Identify which nut from the package threads easily onto the shaft.

4.) Place identified nut into recessed hex cavity of the Ugly Head.

5.) Hold nut in place and securely tighten the Ugly Head onto the shaft by turning the head.

1.) Unscrew and remove the bump knob, spool and spool housing. 2.) Identify which bolt easily threads onto your

trimmer spindle. Stihl FS35/FS36 need additional hardware. Please email sales@sontax.com.au for help. 3.) Place large

STEEL WASHER down over spindle resting against hex. 4.) Depending on the length of your spindle, you may now

place large black spacer (use grey spacer for FS45/38 models) down over spindle resting against washer - this will stop any movement when fitting. Eg: Earlier Homelite models. 5.) Insert correct bolt into the plastic HEX ADAPTOR - then

place inside Ugly Head. 6.) Turn Trimmer Head to tighten the assembly. Hold the spindle hex with shifter and

securely tighten. ¼ to ½ turn depending on your model line trimmer. Do not overtighten NB: BEFORE CONTACTING SUPPORT – MAKE SURE YOU ARE NOT FITTING THE HEAD UPSIDE DOWN!