Isuzu NPR 4J Series User Manual

GENERAL ENGINE MECHANICAL 6A – 61
4) Set the cylinder liner installer 3 to the top of the
cylinder liner.
Position the cylinder body so that the installer
center is directly beneath the bench press shaft
center 4.
Cylinder Liner Installer: 5-8840-2313-0 (4JG2)
: 5-8840-2040-0 (4JB1/4JB1T/
4JB1TC)
NOTE:
Check that the cylinder liner is set perpendicular to
the bench press and that there is no wobble.
5) Use the bench press to apply a seating force of 500 kg
(1,102.5 lb/4,900 N) to the cylinder liner.
6) Apply a force 2,500 kg (5,512.5 lb/24,500 N) to fully
seat the cylinder liner.
7) After installing the cylinder liner, measure the cylinder
liner projection.
8) After installing the cylinder liner, measure the cylinder
liner projection.
Refer to “Cylinder Liner Projection Inspection” in this
Section.
Measure the cylinder liner bore inside diameter and
select the appropriate piston grade.
REASSEMBLY
16. Cylinder Block
15. Tappet
14. Camshaft
• Apply a coat of engine oil to the tappet and the cylinder
body tappet insert holes.
• Locate the position mark applied at disassembly (if the
tappet is to be reused).
• Apply a coat of engine oil to the camshaft and the
camshaft bearings.
• Install the camshaft to the cylinder body.
Take care not to damage the camshaft bearings.
13. Crankshaft
12. Main Bearing Cap
11. Crankshaft Rear Oil Seal
10. Cylinder Block Rear Plate
9. Flywheel
Above works refer to “CRANKSHAFT” Section in this
manual.
6A-61-1.tif

Isuzu NPR 4J Series Specifications

General

Brand	Isuzu
Model	NPR 4J Series
Category	Engine
Language	English