wsm STW37 Workshop Manual page 133

STW34, STW37, STW40, WSM
Fan Drive Pulley
1. Lock the flywheel not to turn using the flywheel stopper.
2. Remove the fan drive pulley mounting nut (1) using 46 mm deep
socket wrench (3).
3. Remove the fan drive pulley (2) with gear puller (4).
4. Remove the feather key.
(When reassembling)
• Apply grease to the splines of coupling.
Fan drive pulley mounting
Tightening torque
nut
(1) Nut
(2) Fan Drive Pulley
Gear Case
1. Remove the hour meter gear case (if equipped).
2. Remove the gear case (1).
3. Remove the O-rings (2).
(When reassembling)
• Apply 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 (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 crankshaft collar (3).
2. Remove the O-ring (2).
3. Remove 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
1-S54
ENGINE
138 to 156 N·m
14.0 to 16.0 kgf·m
102 to 115 lbf·ft
(3) 46 mm Deep Socket Wrench
(4) Gear Puller
9Y1211109ENS0074US0
(3) Oil Seal
9Y1211109ENS0075US0
(3) Crankshaft Collar
9Y1211109ENS0076US0
KiSC issued 11, 2014 A