Isuzu A-4JB1 Repair Manual

MAINTENANCE
MAINTENANCE
Servicing refers to general maintenance procedures to be performed by qualified service personnel.
Maintenance interval such as fuel or oil filter changes should be refered to “INSTRUCTION MANUAL”.
MODEL IDENTIFICATION
Engine Serial Number
The engine number is stamped on the rear left hand side
of the cylinder body.
INJECTION PUMP IDENTIFICATION
Injection volume should be adjusted after referring to
the adjustment data applicable to the injection pump
installed.
The injection pump identification number (A) is stamped
on the injection pump identifications plate.
Note:
Always check the identification number before beginn-
ing a service operation.
Applicable service data will vary according to the ident-
ification number. Use of the wrong service data will
result in reduced engine performance and engine
damage.
1 ZEXEL (Manufacturer of the injection pump) identifi-
cation number
2 ISUZU Parts Number
Pump No. . . . . . . . . . . . . . .
NP - PE . . . . . . . . . . . . . . . . . . . . . .
(LICENCE BOSCH)
A
A
…Identification number
In-line type
LUBRICATING SYSTEM
Main Oil Filter
Replacement Procedure
1. Loosen the drain plug to drain the engine oil.
2. Wait a few minutes and then retighten the drain
plug.
3. Loosen the used oil filter by turning it counterclock-
wise with a filter wrench.
Filter Wrench
18
Distributor type

Isuzu A-4JB1 Specifications

General

Brand	Isuzu
Model	A-4JB1
Category	Engine
Language	English