Isuzu NHR 4J Series, Workshop Manual

Page: 107 / 406

6A – 40 GENERAL ENGINE MECHANICAL
4) After pressing in the oil seal, check the measurement
of the oil seal.
Standard mm (in)
0.6 - 1.2 (0.024 - 0.047)
3a. Timing Belt and Pulley (Belt Drive Model)
7) Camshaft Timing Pulley
•
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)
• 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)
• Install the crank pulley.
• Install the idle pulley and idler pulley.
N ∙ m (kg ∙ m/lb ∙ ft)
76 (7.8/56)
• Install the injection pump assembly and install timing
pulley.
• Align the timing pulley with the pump shaft key.
• Install the stopper bolt to the timing pulley.
This will prevent the timing pulley from moving.
• Tighten the timing pulley nut to the specified torque.
Injection Pump Timing Pulley Nut Torque
N ∙ m (kg ∙ m/lb ∙ ft)
64 (6.5/47)
• Remove the stopper bolt from the injection timing.
6A-40-1.tif
6A-40-2.tif
6A-40-3.tif
6A-40-4.tif