Isuzu NHR 4J Series, Workshop Manual

Page: 161 / 406

6A1 – 26 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
INSTALLATION
14 Crankshaft Gear
1) Install the crankshaft gear.
2) Use the crankshaft gear installer
!
to install the
crankshaft gear
"
.
The crankshaft gear timing mark ("X-X") must be
facing outward.
Crankshaft Gear Installer: 9-8522-0020-0
13. Camshaft Timing Gear
1) Install the thrust plate to the cylinder body.
2) Tighten the thrust plate bolts to the specified torque.
N ∙ m (kg ∙ m/lb ∙ ft)
18 (1.8/13)
3) Install the camshaft timing gear to the camshaft.
The timing gear mark ("Y-Y") must be facing outward.
4) Tighten the timing gear to the specified torque.
N ∙ m (kg ∙ m/lb ∙ ft)
64 (6.5/47)
12. Injection Pump
1) Install the O-ring
!
to the injection pump flange
"
.
2) Install the injection pump to the timing gear case.
Align the idler gear "B"
#
"V-V" mark with the injection
pump timing gear
$
"V" mark.
3) Temporarily tighten the six injection pump nuts
%
.
The injection pump nuts will be finally tightened after
the injection pump rear bracket bolts.
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