105931-6162 ZEXEL 9 420 613 588 BOSCH GOVERNOR 9420613588 1059316162

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.This maintenance is to be performed at the interval specified in the Maintenance Schedule for the engine being maintained.Before proceeding with 125 Service Hour maintenance, first perform previous maintenance requirements.Clutch (If Equipped)
Refer to the Instruction Plate on your clutch for the correct lubrication information.Lubricate Shift Collar Bearings
Instruction PlateLubricate the shift collar fittings with one or two grease gun shots each with MPGL or 2S3230 grease. Do not over grease.Lubricate Shift Lever Bearings
Refer to the Instruction Plate on the clutch for lubrication information.Some earlier clutches have pilot bearing fittings that need lubrication, whereas the later clutches have pilot bearings that are sealed for life.Lubricate the clutch shift lever bearings, pilot bearing and main shaft bearing (if equipped). Lubricate one fitting on top-rear of housing. Lubricate one fitting at the end of shaft. Refer to Instruction Plate on your clutch for correct lubrication information.Check/Adjust
If the clutch is damaged to the point of burst failure, expelled pieces can cause personal injury to anyone in the immediate area. Proper safeguards must be followed to prevent accidents.Do NOT operate the engine with Instruction Plate cover removed from the clutch. Personal injury may result.
While engaging the clutch to pick up the load, check the clutch adjustment. The clutch should engage with a firm push of the lever and a distinct snap. If the engagement is "soft" or slow, adjust the clutch.When clutch lever is disengaged, the hand lever must fall behind the vertical position. If the clutch slips, overheats, or operating lever disengages, clutch adjustment is necessary.1. Stop the engine and remove the clutch inspection cover.2. Rotate the clutch manually until the lock pin (engaged in the locking ring) is visible.3. Pull the lock pin out and rotate the locking ring clockwise (CW) until the lock pin slips or pops into the next notch. Turn adjusting ring CW to increase engagement torque and CCW to decrease engagement torque.4. Test the clutch adjustment. To test the clutch adjustment, engage clutch with a torque wrench to turn adjusting ring so that 296 to 393 N m (218 to 289 lb ft)torque or 636 90 N (143 20 lb) force at 541 mm (21.3 inches) length on lever is required to engage the clutch. If torque is still low, rotate the locking ring (CW) until lock pin slips into next notch. If the adjustment is too tight, turn the locking ring back (CCW) one to the previous notch.5. Install cover plate after adjustment is completed.