Isuzu NPR 4J Series User Manual

6A1 – 94 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
2) Crankshaft damper pulley
1) Cooling fan assembly
Above works refer to “TIMING GEAR (Belt Type)”
Section in this manual.
4. Timing Gear (Gear Drive Model)
11) Crankshaft gear
• Install the crankshaft gear.
• Use the crankshaft gear installer
!
to install the
crankshaft gear
"
.
• The crankshaft gear timing mark ("X-X") must be
facing outward.
Crankshaft Gear Installer: 9-8522-0020-0
10) Camshaft timing gear
9) Injection pump
8) Idler gear "B" and shaft
7) Idle gear
6) Timing gear oil pipe
5) Timing gear case cover
4) Noise cover spacer
3) Noise shield cover
2) Crankshaft damper pulley
1) Cooling fan assembly
Above works refer to “TIMING GEAR (Gear Type)”
Section in this manual.
3. Cylinder Head Assembly and Gasket
12) Cylinder head gasket
11) Cylinder head assembly
10) Push rod
9) Rocker arm shaft assembly
Valve Clearance Adjustment
8) Cylinder head cover
7) By-pass hose
6) Oil cooler water pipe (Oil Cooler Model)
5) Oil level gauge guide tube
4) Glow plug harness connector
3) PCV hose
2) Fuel leak off pipe
1) Injection pipe
Above works refer to “CYLINDER HEAD ASSEMBLY
AND GASKET” Section in this manual.
6A1-94-1.tif

Isuzu NPR 4J Series Specifications

General

Brand	Isuzu
Model	NPR 4J Series
Category	Engine
Language	English