Timing Gear (4Jb1, 4Jb1Tc, 4Jg2 Gear Type) Installation - Isuzu NHR 4J Series Workshop Manual

6A1 – 26 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
INSTALLATION
14 Crankshaft Gear
1) Install the crankshaft gear.
2) Use the crankshaft gear installer
crankshaft gear
The crankshaft gear timing mark ("X-X") must be
facing outward.
Crankshaft Gear Installer: 9-8522-0020-0
6A1-26-1.tif
13. Camshaft Timing Gear
1) Install the thrust plate to the cylinder body.
2) Tighten the thrust plate bolts to the specified torque.
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.
6A1-26-2.tif
12. Injection Pump
1) Install the O-ring
2) Install the injection pump to the timing gear case.
Align the idler gear "B"
pump timing gear
6A1-27-2.tif
3) Temporarily tighten the six injection pump nuts
The injection pump nuts will be finally tightened after
the injection pump rear bracket bolts.
6A1-27-3.tif
!
to install the
"
.
N∙m (kg∙m/lb∙ft)
18 (1.8/13)
N∙m (kg∙m/lb∙ft)
64 (6.5/47)
!
to the injection pump flange
#
"V-V" mark with the injection
$
"V" mark.
"
.
%
.