1998 ISUZU TROOPER Service Repair Manual

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Page 1665 of 3573

ISUZU TROOPER 1998 Service Repair Manual ENGINE COOLING 6B Ð 11
DRIVE BELT ADJUSTMENT
INSPECTION
Check drive belts for wear or damage, and replace with
new ones as necessary. Check belts for tension, and
adjust as necessary.
·Check drive b

Page 1666 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6B Ð 12 ENGINE COOLING
TENSION ADJUSTMENT
P/S oil pump and A/C compressor pulley belt.
·With P/S pump lock bolt loose, adjust belt tension
with adjust belt.
Cooling fan pulley belt
·With AC Generat

Page 1667 of 3573

ISUZU TROOPER 1998 Service Repair Manual FUEL SYSTEM 6C Ð 1
PAGE
General Description ....................................................................................................................... 6C- 1
On-Vehicle Service .........

FUEL SYSTEM 6C Ð 1
PAGE
General Description ....................................................................................................................... 6C- 1
On-Vehicle Service ......................................................................................................................... 6C- 7
Fuel Filter Assembly .................................................................................................................. 6C- 7
Fuel Filter Cartrige ..................................................................................................................... 6C- 8
Injection nozzle .......................................................................................................................... 6C- 9
Injection Pump Assembly ......................................................................................................... 6C-14
Fuel Tank .................................................................................................................................... 6C-18
Fuel Gauge Unit ......................................................................................................................... 6C-19
Fuel Filler Cap ............................................................................................................................ 6C-20
Accelerator Control ........................................................................................................................ 6C-21
Accelerator Control Cable ........................................................................................................ 6C-21
Accelerator Pedal ...................................................................................................................... 6C-23
Air Cleaner .................................................................................................................................. 6C-24
SECTION 6C
FUEL SYSTEM
CONTENTS
GENERAL DESCRIPTION
When working on the fuel system, there are several
things to keep in mind:
·Any time the fuel system is being worked on,
disconnect the negative battery cable except for
those tests where battery voltage is required.
·Always keep a dry chemical (Class B) fire extin-
guisher near the work area.
·Replace all pipes with the same pipe and fittings
that were removed.
Clean and inspect ÒOÓ rings. Replace where
required.
·Always relieve the line pressure before servicing
any fuel system components.·Do not attempt repairs on the fuel system until
you have read the instructions and checked the
pictures relating to that repair.

Page 1668 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6C Ð 2 FUEL SYSTEM
General Export
Argentina
INJ. pump
Fuel filterWater separatorFuel feed pipe Fuel return pipe
Fuel tankFiller cap
Control valve
INJ. pump
Fuel filterWater separator
Air cleaner
Brea

Page 1669 of 3573

ISUZU TROOPER 1998 Service Repair Manual FUEL SYSTEM 6C Ð 3
Fuel Flow Chart

Page 1670 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6C Ð 4 FUEL SYSTEM
INJECTION PUMP
A Bosch Distributor Type Injection Pump is used. A single reciprocating/revolving plunger delivers the fuel
uniformly to the injection nozzles, regardless of the nu

Page 1671 of 3573

ISUZU TROOPER 1998 Service Repair Manual FUEL SYSTEM 6C Ð 5
FUEL FILTER AND WATER SEPARATOR
A cartridge type fuel filter and a water separator are used along with the VE type injection pump.
As the inside of the injection pump is lubricated

Page 1672 of 3573

ISUZU TROOPER 1998 Service Repair Manual 6C Ð 6 FUEL SYSTEM
INJECTION NOZZLE
The injection nozzle sprays pressurized fuel from the injection pump through the injection nozzle orifices
and into the combustion chamber.
4J series engines with

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