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Isuzu NKR 4J Series - Page 111

Isuzu NKR 4J Series
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6A – 44 GENERAL ENGINE MECHANICAL
10) Crankshaft Timing Gear
!
Install the camshaft timing gear to the camshaft.
The timing gear mark (“Y – Y”) must be facing
outward.
"
Tighten the timing gear to the specified torque.
Nm (kgm/lbft)
64 (6.5/47)
9) Idle Gear
!
Apply engine oil to the idle gear and the idler gear
shaft.
The idler shaft oil hole must be facing up.
"
Position the idler gear setting marks “X” and “Y” so
that they are facing the front of the engine.
#
Align the idler gear “X” setting mark with the
crankshaft timing gear
!
“X – X” setting mark.
$
Align the idler gear “Y” setting mark with the camshaft
timing gear
!
“Y – Y” setting mark.
%
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.
&
Tighten the idler gear bolt to the specified torque.
Nm (kgm/lbft)
19 (1.9/14)
8) Idler Gear “B” and Shaft
!
Apply engine oil to the idler gear and the idler gear
shaft.
"
Align the idler gear “B”
#
“Z” setting mark with the
idler gear “A”
$
“Z-Z” setting mark.
#
Tighten the idler gear bolt to the specified torque.
Nm (kgm/lbft)
76 (7.7/56)
6A-44-1.tif
6A-44-2.tif
6A-44-3.tif
6A-44-4.tif

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