wsm Kubota L4100, Workshop Manual

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ENGINE L4100, WSM
1-S32
(EU)
Fan Drive Pulley
1. Remove the crankshaft nut.
2. Draw out the fan drive pulley (1) with a puller.
(When reassembling)
• Do not tighten the nut excessively, it may damage the oil slinger,
causing oil leakage.
• apply engine oil to the crankshaft nut. And tighten it.
IMPORTANT
• Install the fan drive pulley to the crankshaft, aligning the
marks on them.
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Gear Case
1. Remove the hour meter gear case.
2. Remove the gear case (2).
3. Remove the O-rings (1).
(When reassembling)
• Apply a liquid gasket (Three Bond 1215 or equivalent) to both
sides of hour meter gear case gasket.
• Check to see if there are four O-rings (1) inside the gear case
(2).
• 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.
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Crankshaft Oil Slinger
1. Remove the crankshaft collar (3).
2. Remove the O-ring (2).
3. Detach the crankshaft oil slinger (1).
(When reassembling)
• Insert the crankshaft collar (3) after install the gear case to
cylinder body.
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Idle Gear
1. Remove the bolts.
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:
– Idle gear (2) and crank gear (5), cam gear (3) and balancer
gear (4)
– Cam gear (3) and idle gear (2)
– Idle gear (2) and Injection pump gear (1)
– Idle gear (2) and balancer gear (7)
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Tightening torque
Fan drive pulley mounting
nut
138 to 156 N·m
14.0 to 16.0 kgf·m
102 to 115 lbf·ft
(1) Fan Drive Pulley
(1) O-ring
(2) Gear Case (3) Oil Seal
(1) Crankshaft Oil Slinger
(2) O-ring (3) Crankshaft Collar
(1) Injection Pump Gear
(2) Idle Gear
(3) Cam Gear
(4) Balancer Gear (5) Crank Gear
(6) Oil Pump Drive Gear
(7) Balancer Gear
KiSC issued 08, 2012 A