Isuzu NHR 4J Series, Workshop Manual

Page: 88 / 406

GENERAL ENGINE MECHANICAL 6A – 21
8. Camshaft
1) Apply a coat of engine oil to the camshaft and the
camshaft bearings.
2) Install the camshaft to the cylinder body.
Take care not damage the camshaft bearings.
7a. Camshaft Timing Pulley Center (Belt Drive Model)
• Apply engine oil to the oil seal lip portion of the oil seal
retainer.
• Apply the recommended liquid gasket or its equivalent
to the retainer.
• Install the oil seal retainer to the cylinder body.
• Tighten the retainer bolts to the specified torque.
Oil Seal Retainer Bolt Torque N ∙ m (kg ∙ m/lb ∙ ft)
19 (1.9/14)
• Align the camshaft timing pulley center with the
camshaft key.
• Tighten the timing pulley bolts to the specified torque.
Timing Pulley Bolt Torque N ∙ m (kg ∙ m/lb ∙ in)
8 (0.8/69)
7. Camshaft Thrust Plate (Gear Drive Model)
Install the thrust plate to the cylinder body and tighten the
thrust plate bolts to specified torque.
Thrust Plate Bolt Torque
N ∙ m (kg ∙ m/lb ∙ ft)
18 (1.8/13)
6a. Camshaft Timing Pulley (Belt Drive Model)
• Prevent the camshaft from turning when tightening the
timing center bolt.
• Tighten the timing pulley center bolt to the specified
torque.
Center Bolt Torque N ∙ m (kg ∙ m/lb ∙ ft)
64 (6.5/47)
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