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Date Created: 30/03/2017
Title: Gearbox Pulley Removal and Replacement
SAFETY!
Before attempting to make any adjustments or carry out maintenance on the mower, review
the hazard identification table (section 3a of your Operator Manual) and take all necessary precautions.
Remove P.T.O Cone
SPARE PARTS
INSTRUCTIONS # 47
Product: Procut S3 (All Models)
Position the Procut S3 in the work
area.
Unlatch the Covers and remove ALL
M8 Nyloc Nuts and M8 Flat Washers
used to retain the Covers.
Remove ALL Covers and carefully
place to one side.
Remove the P.T.O Cone form the
FRONT of the Gearbox Assembly by
removing the four M8 x 16 Bolts and
M8 Flat Washers.
Place the P.T.O Cone and Fasteners to
one side for later refitment.
Slacken ALL Idler Mounting Nuts
and pivot the Idlers away from the
Belts to relieve belt tension.
One Idler shown in this example.
Note:
DO NOT remove Idlers!
ALL MODELS
1
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Summary of Contents for Trimax S3
- Page 1 Before attempting to make any adjustments or carry out maintenance on the mower, review the hazard identification table (section 3a of your Operator Manual) and take all necessary precautions. Position the Procut S3 in the work area. Unlatch the Covers and remove ALL M8 Nyloc Nuts and M8 Flat Washers used to retain the Covers.
- Page 2 Procut 237 has a special SLOTTED Slacken this Idler located near the Gearbox Pulley. Nut first Loosen this Idler by slackening the Mounting Nut, then unwinding the M12 x 150 Set Screw. Then Note: unwind the DO NOT remove Idlers! Set Screw Remove ALL Vee Belts and place to one side for later re-fitment...
- Page 3 Lift the Gearbox Assembly clear of the Procut and place on a bench. Remove ALL Lifting Equipment from the Gearbox Assembly. Flip the Gearbox Assembly over to the position shown. Note: Place the Gearbox Assembly on cardboard or rubber to minimise paint damage! PROCUT 178 and 210 Only: Slacken the three M8 x 40 Bolts...
- Page 4 PROCUT 178 and 210 Only: Insert a Flat Bladed Screwdriver in the Slot in the Biloc Bush. Carefully lever the Bush open Insert Flat Screw slightly. driver here to lever bush open Slide the Bush up and off the Gearbox slightly Output Shaft.
- Page 5 PROCUT 178 and 210 Only: Fit the Second Pulley over the Welded 33mm Biloc Bush. Fit the three M8 x 40 bolts into the Pulley. Note: DO NOT tighten the M8 x 40 bolts at this stage! PROCUT 237 and 290 Only: Remove the two Grub Screws highlighted.
- Page 6 PROCUT 237 and 290 Only: Insert a Flat Bladed Screwdriver in the Slot in the Biloc Bush. Carefully lever the Bush open slightly. Slide the Bush up and off the Gearbox Output Shaft. Remove the Pulley. Insert Flat Screw driver here to lever bush open slightly IMPORTANT: Apply MINIMAL leverage while...
- Page 7 Procut S3 178 and 210 only: Re-fit the Gearbox Pulley Assembly onto the Output Shaft. Lightly tap the Gearbox Pulley Sub-assembly down until it is hard Weld aligned with against the 27mm (1 1/16”) Spacers. Keyway A section of steel tube with an I.D 40mm (1 9/16”) is an ideal drift for...
- Page 8 Procut S3 237 and 290 only: Fit the Gearbox Pulley Sub-assembly onto the Output Shaft. Align the Key in the Output Shaft with the Keyway in the Gearbox Pulley Assembly. Lightly tap the Gearbox Pulley Sub-assembly down until it is hard against the 10mm (3/8”) Spacers.
- Page 9 M12 x 35 Bolts, M12 Spring Washers and M12 Heavy Flat Washers used this side Re-fit the Gearbox Assembly into its original position. Apply MEDIUM STRENGTH THREAD LOCKING COMPOUND to ALL Gearbox Mounting Bolts Secure the REAR of the Gearbox Assembly using the M12 x 30 Bolts and M12 Spring Washers.
- Page 10 Refit and tension the Drive Belts. Refit the Covers. Installation is the reverse of removal. For further detail, please refer to your Operators Manual. This process is now complete.
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