S-41
WG972-E2, DF972-E2, WSM
GASOLINE / LPG ENGINE
(5) Timing Gear, Camshaft and Fuel Camshaft
Speed Control Plate
1. Remove the screws (1) and separate the speed control plate (2).
(When reassembling)
•Remove the speed control plate (for mechanical governor only)
(2) and make sure that the governor lever shaft (3) is correctly set
in the governor fork (4).
■
•Electronic governor specification engine has modefied from
speed control plate to cover plate.
W1148604
Fan Drive Pulley
1. Secure the flywheel to keep it from turning.
2. Remove the fan drive pulley screw.
3. Draw out the fan drive pulley with a puller.
(When reassembling)
•Install the pulley to the crankshaft, aligning the mark (1) on them.
•Apply engine oil to the fan drive pulley retaining screws. And
tighten them.
W1028534
Gear Case
1. Remove the screw (1) of inside the gear case and outside
screws.
2. Remove the gear case (2).
(When reassembling)
•Apply a liquid gasket (Three Bond 1215 or equivalent) to both
sides of the gear case gasket.
•Be sure to set three O-rings inside the gear case.
W1029858
(1) Screws and Copper Washers
(2) Speed Control Plate
(3) Governor Lever Shaft
(4) Governor Fork
Tightening torque Fan drive pulley screw
98.1 to 107.9 N·m
10.0 to 11.0 kgf·m
72.3 to 79.6 ft-lbs
(1) Alignment Mark
(1) Screw (Inside) (2) Gear Case
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