Isuzu NHR 4J Series, Workshop Manual

Page: 222 / 406

4JB1/4JB1T/4JB1TC/4JG2 – ENGINE 6A1 – 87
4. Timing Gear (Gear Drive Model)
1) Cooling fan assembly
2) Crankshaft damper pulley
3) Noise shield cover
4) Noise cover spacer
5) Timing gear case cover
6) Oil pipe
7) Idle gear
8) Idle gear “B" and shaft
9) Injection pump
10) Camshaft timing gear
Above works refer to “TIMING GEAR (Gear Type)”
Section in this manual.
11) Crankshaft gear
•
Use the crankshaft timing gear remover
!
to remove
the crankshaft gear
"
.
Crankshaft Timing Gear Remover: 5-8840-2057-0
4a. Timing Belt (Belt Drive Model)
1) Cooling fan assembly
2) Crankshaft damper pulley
3) Timing pulley upper cover
4) Timing pulley lower cover
5) Flange: camshaft pulley
6) Flange: injection pump pulley
7) Timing belt
Above works refer to “TIMING BELT (Belt Type)”
Section in this manual.
8) Crankshaft timing pulley center
•
Use the fixing wrench to prevent the crankshaft from
turning.
Fixing Wrench: 5-8840-0161-0
• Remove the timing pulley center from the crankshaft.
6A1-87-1.tif
6A1-87-2.tif