Service Manual

Flange Installation
1. Install flange as shown in the illustration before instal-
ling crankshaft sprocket.
Flange
Crankshaft sprocket
Adaptor
Figure 82
Crankshaft Sprocket Installation
1. Install crankshaft sprocket.
2. Install special tool to prevent flywheel from turning.
T
ighten the crankshaft bolt to a torque of 135 – 145 Nm
(98 – 105 ft–lb).
Figure 83
Oil Pump Sprocket Installation
1. Insert a 8 mm (.31 in.) diameter rod into plug hole on
left side of cylinder block to prevent counterbalance
shaft from turning.
2. Install oil pump sprocket.
3. Tighten nut securing oil pump sprocket to a torque of
50
– 57 Nm (36 – 41 ft–lb).
Figure 84
Flywheel
Rod
Oil pump sprocket
Camshaft Sprocket Installation
1. Install camshaft sprocket, washer and bolt.
2. Prevent camshaft from turning and tighten camshaft
sprocket bolt to a torque of 80 – 100 Nm (58
– 72 ft–lb).
Figure 85
Liquid Cooled Gas Engine
Page 3
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Workman 3000/4000 Series