S e c t i o n IV. ENGINE, FUEL, EXHAUST, AND COOLING SYSTEMS AND GAGES MAINTENANCE

TM 10-3930-638-24&P

S e c t i o n IV. ENGINE, FUEL, EXHAUST, AND COOLING SYSTEMS

AND

GAGES MAINTENANCE

This section contains the information you need 10 maintain the engine's:

Cooling system

Exhaust system

Fuel system

Quick start system

Gages

It gives you instructions on how to troubleshoot problems and repair or

replace the components that are within the scope of organizational

maintenance.

Para

In-Line Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . 2-15e

Troubleshooting Symptom Index . . . . . . . . . . . . . . . . 2-8

Fuel Filter Assembly . . . . . . . . . . . . . . . . . . . . . . 2-15f

Engine Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 2-9

Fuel Strainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15g

Fuel System Troubleshooting . . . . . . . . . . . . . . . . . . 2-10

Quick Start Kit . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15h

Exhaust System Troubleshooting . . . . . . . . . . . . . . . 2-11

Accelerator/Throttle Control . . . . . . . . . . . . . . .2-15i

Cooling System Troubleshooting . . . . . . . . . . . . . . . 2-12

Spark Arresting Muffler

Gages Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 2-13

and Exhaust Pipe Maintenance . . . . . . . . . . . . . . . 2-16

Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Cooling System Maintenance . . . . . . . . . . . . . . . . . . 2-17

Flywheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14a

Radiator Servicing . . . . . . . . . . . . . . . . . . . . . . . . 2-17a

Draining and Refilling Engine Crankcase . . . . . . . 2-14b

Hosts . . . . . . . . . . . . . . . . . . .2-17b

Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14c

Radiator and Shroud . . . . . . . . . . . . . 2-17c

Intake Manifold . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14d

Thermostat and Housing . . . . . . . . . . . 2-17d

Exhaust Manifold . . . . . . . . . . . . . . . . . . . . . . . . 2-14e

Water Pump Assembly . . . . . . . . . . 2-17e

Fuel System Maintenance. . . . . . . . . . . . . . 2-15

Fan and Belt . . . . . . . . . . . . . . . .2-17f

Fuel injection Pump . . . . . . . . . . . . . . . . . . . . . . 2-15a

Gages Maintenance . . . . . . . . . . . . . . . 2-18

Electric Fuel Pump and Lines . . . . . . . . . . . . . . . 2-15b

Gage Bulb Replacement . . . . . . . . . . . 2-18a

Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15c

Gages Replacement . . . . . . . . . . . . . 2-18b

Fuel Tank Lines and Fittings . . . . . . . . . . . . . . . 2-15d

2-8.

TROUBLESHOOTING

SYMPTOM

INDEX

Page

Para/Malfunction

ENGINE

2-9/1

2-12

Engine hard to start or will not start . . . . .

2-9/2

2-15

Engine hard to start or will not start (exhaust smoke) .

2-9/3

2-15

Engine starts but will not run . . . .

2-9/4

2-17

Engine

misfires

2-9/5

2-18

Engine stalls frequently or does not develop full power .

2-21

2-9/6

Engine cranks but does not start when quick start is activated

2-21

2-9/7

....

Excessive

oil

consumption

2-9/8

2-22

...

Low

engine

oil

pressure

2-22

2-9/9

....

Engine will not shut down . . . . . . . .

FUEL SYSTEM

2-10/1

2-23

.....

Low

fuel

pressure

2-10/2

2-24

......

Excessive

fuel

usage

EXHAUST SYSTEM

2-1 1/1

2-24

Excessive

exhaust

noise

2-1 1/2

2-25

...

Excessive exhaust smoke . . . . . . .

2-11