Isuzu NHR 4J Series Workshop Manual page 163

6A1 – 28 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
10. Idler Gear
1) Apply engine oil to the idler gear and the idler gear
shaft.
2) Align the idler gear "B"
idler gear "A"
3) Tighten the idler gear bolt to the specified torque.
6A1-27-1.tif
9. Oil Pipe
1) Install the oil pipe to the timing gear case and idler
gear "A".
2) Tighten the oil pipe eye bolt
specified torque.
Oil Pipe Eye Bolt Torque
6A1-28-1.tif
8. Timing Gear Case Cover
1) Align the gear case with the timing gear case knock
pin and then install the timing gear case cover.
2) Tighten the gear case cover bolts to the specified
torque.
7. Noise Cover Spacer
6. Noise Shield Cover
6A1-28-2.tif
5. Crankshaft Damper Pulley
Tighten the crankshaft damper pulley bolt to the specified
torque.
NOTE:
Hold the flywheel ring gear stationary to prevent the
crankshaft from turning when tightening the damper
pulley.
Pulley Boss Bolt Torque
6A1-28-3.tif
4. Cooling Fan Assembly
• Mount fan pulley, distance piece, and cooling fan
assembly (in this order) on the water pump, and
tighten to the specified torque.
#
"Z" setting mark with the
$
"Z-Z" setting mark.
76 (7.7/56)
!
and bolt
13 (1.3/9)
206 (21/152)
8 (0.8/69)
N∙m (kg∙m/lb∙ft)
"
to the
N∙m (kg∙m/lb∙ft)
N∙m (kg∙m/lb∙ft)
N∙m (kg∙m/lb∙in)