(8) Install the gearshift fork (par. 203).
(9) Install the transmission (par. 201d).
207. Master Clutch Shaft
a. Removal.
(1) Remove the transmission (par. 201a).
(2) Remove the transmission case cover (par. 202a).
(3) Loosen the jam nut (15) and remove the setscrew (16) attaching the rocker shaft ]ever (14) to the rocker
shaft (12).
(4) Pull the rocker shaft lever (14) off the rocker shaft (12) and remove the key (18).
(5) Drive out the yoke pins (17).
(6) Drive out the rocker shaft (12) from the transmission case (11) and remove the shifter yoke (13) and keys
(18).
(7) Remove the six screws (23) and lockwashers (22) attaching the bearing retainer (4) to the transmission
case (11).
(8) Remove the bearing retainer gasket (8).
(9) Pull out and remove the master clutch shaft assembly from the transmission case.
b. Disassembly.
(1) Remove the oil seal (3) from the bearing retainer (4).
(2) Unlock the cotter pin (10) and drive it out from the drive shaft (2) with a small drift.
(3) Remove the jam nut (19).
(4) Pull out the drive shaft (2) from the bevel pinion gear (20).
(5) Remove the pinion gear key (24).
(6) Bend the ear of the lockwasher (6) away from the locknut (5) and remove the locknut and lockwasher.
(7) Drive out the bevel pinion gear (20) from the bearing (7).
(8) Press out the bearing (7) from the bearing cup (9).
c. Cleaning. Wash all parts in cleaning solvent and dry them with clean compressed air. Wipe off all dirt, sludge,
and old grease from the shaft, gears, and mounting surfaces. Clean the threaded surfaces with a wire brush dipped in
cleaning solvent.
d. Inspection and Repair.
(1) Inspect the bevel pinion gear for wear, cracks, breaks, damaged or chipping teeth. Check the keyway for
cracked or twisted edges. Inspect the teeth surfaces for excessive pitting and etching. Replace the bevel
pinion gear if cracked, broken, or if the teeth are worn or chipping.
(2) Inspect the master clutch drive shaft for warpage, scoring, and damaged or broken splines and threads.
Replace the shaft if it is damaged or defective.
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