Isuzu NHR 4J Series, Workshop Manual

Page: 162 / 406

4JB1/4JB1T/4JB1TC/4JG2 – ENGINE 6A1 – 27
4) Install the injection pump rear bracket
&
and the rear
bracket bolts
'
to the cylinder body.
5) Install the rear bracket bolts
(
to the injection pump
bracket
)
.
Do not tighten the bolts.
The rear bracket bolts
'
and
(
will be finally
tightened to the specified torque after tighten the
injection pump nuts.
6) Tighten the injection pump nuts to the specified torque.
N ∙ m (kg ∙ m/lb ∙ ft)
19 (1.9/14)
7) Tighten the injection pump bracket bolts to the
specified torque.
N ∙ m (kg ∙ m/lb ∙ ft)
19 (1.9/14)
11. Idler Gear
1) Apply engine oil to the idler gear and the idler gear
shaft.
The idler gear shaft oil hole must be facing up.
2) Position the idler gear setting marks "X" and "Y" so
that they are facing the front of the engine.
3) Align the idler gear "X" setting mark with the
crankshaft timing gear
!
"X-X" setting mark.
4) Align the idler gear "Y" setting mark with the camshaft
timing gear
"
"Y-Y" setting mark.
5) Install the thrust collar and bolts to the cylinder body
through the shaft.
The thrust collar oil hole must be facing up, and the
thrust collar chamfered must be outward.
6) Tighten the idler gear bolt to the specified torque.
N ∙ m (kg ∙ m/lb ∙ ft)
19 (1.9/14)
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