Isuzu NPR 4J Series User Manual

6A – 24 GENERAL ENGINE MECHANICAL
ROCKER ARM ASSEMBLY
DISASSEMBLY
1. Rocker Arm Shaft Assembly
2. Rocker Arm Shaft Snap Ring
3. Rocker Arm
4. Rocker Arm Shaft Bracket
5. Rocker Arm
6. Rocker Arm Shaft Spring
7. Rocker Arm Shaft
INSPECTION AND REPAIR
Make the necessary adjustment, repairs, and part
replacements if excessive wear or damage is discovered
during inspection.
Use a micrometer to measure the rocker shaft outside
diameter at the point where the rocker arm moves on the
rocker shaft.
Replace the rocker shaft if the diameter exceeds the
specified limit.
mm (in)
Standard Limit
18.98 - 19.00
(0.7472 - 0.7480)
18.9 (0.744)
6A-24-1.tif
6A-24-2.tif

Isuzu NPR 4J Series Specifications

General

Brand	Isuzu
Model	NPR 4J Series
Category	Engine
Language	English