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Isuzu NKR 4J Series User Manual

Isuzu NKR 4J Series
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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 Nm (kgm/lbft)
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 Nm (kgm/lbin)
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 Nm (kgm/lbft)
64 (6.5/47)
Install the crank pulley.
Install the idle pulley and idler pulley.
Nm (kgm/lbft)
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
Nm (kgm/lbft)
64 (6.5/47)
Remove the stopper bolt from the injection timing.
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Isuzu NKR 4J Series Specifications

General IconGeneral
BrandIsuzu
ModelNKR 4J Series
CategoryEngine
LanguageEnglish

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