Kubota WSM STa-30 Workshop Manual page 88

STα-30 · STα-35, WSM
Fan Drive Pulley
1. Lock the flywheel not to turn using the flywheel stopper.
2. Remove the fan drive pulley mounting nut.
3. Remove the fan drive pulley (2) with gear puller.
(When reassembling)
Fan drive pulley mounting
Tightening torque
nut
(1) Nut
Gear Case
1. Remove the hour meter gear case.
2. Remove the gear case (1).
3. Remove the O-rings (2).
(When reassembling)
• Apply liquid gasket (Three Bond 1215 or equivalent) to both side
of hour meter gear case gasket.
• Check to see if there are four O-rings (2) inside the gear case (1).
• Apply a thin film of engine oil to the oil seal (3), and install it,
noting the lip come off.
• Before installing the gear case gasket, apply a non-drying
adhesive.
(1) Gear Case
(2) O-ring
Crankshaft Oil Slinger
1. Remove the feather key.
2. Remove the crankshaft collar (3).
3. Remove the O-ring (2).
4. Detach the crankshaft oil slinger (1).
(When reassembling)
• Insert the crankshaft collar (3) after install the gear case to
cylinder body
(1) Crankshaft Oil Slinger
(2) O-ring
Idle Gear
1. Remove the external snap ring.
2. Detach the idle gear collar.
3. Detach the idle gear (2).
(When reassembling)
• Check to see each gear is aligned with its aligning mark:
(1) Idle gear and crank gear
(2) Idle gear and camshaft gear
(3) Idle gear and injection pump gear
(1) Injection Pump Gear
(2) Idle Gear
(3) Cam Gear
1-S26
ENGINE
137.3 to 156.9 N·m
14.0 to 16.0 kgf·m
101.3 to 115.7 ft-lbs
(2) Fan Drive Pulley
W1024348
(3) Oil Seal
W1024531
(3) Crankshaft Collar
W1024731
(4) Crank Gear
(5) Oil Pump Drive Gear
W1024941
KiSC issued 11, 2006 A