Isuzu A-4JA1 Workshop Manual page 103

ENGINE ASSEMBLY ( 3 )
1
"Y"
4
1
100
2
1
"X"
3
5
"Z"
Important Operations (Reassembly Steps-2)
1. Idler Gear Shaft
The idler gear shaft oil hole must be facing up.
2. Idler Gear "A"
1) Apply engine oil to the idler gear 1 and the
idler gear shaft 2 .
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 3 "X – X" setting mark.
4) Align the idler gear "Y" setting mark with the
camshaft timing gear 4 "Y – Y" setting mark.
5) Tighten the idler gear bolt to the specified
torque.
Idler Gear "A" Bolt Torque
1.4 – 2.4 (10.1 – 17.3/13.7 – 23.5)
3. Idler Gear "B"
1) Apply engine oil to the idler gear and the idler
gear shaft.
2) Align the idler gear 5 "Z" setting mark with the
idler gear 1 "Z" setting mark.
Idler Gear "B" Bolt Torque
6.6 – 8.7 (48 – 63/66 – 85)
kgf·m(lb.ft/N·m)
kgf·m(lb.ft/N·m)