TM-9-2350-358-BD
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE
MARCH 1994
TM-9-2350-358-BD - Page 9 of 343
TM 9-2350-358-BD
TABLE OF CONTENTS - CONTINUED
CHAPTER
4.
ENGINE.
........................................................................................................................
4-1
Section
I.
Introduction.
...................................................................................................................
4-1
Section
II.
Engine Failure .
..............................................................................................................
4-3
Section
III.
Air Induction System.
.....................................................................................................
4-10
Section
IV.
Exhaust System.
............................................................................................................
4-17
Section
V.
Lubrication System.
.......................................................................................................
4-18
CHAPTER
5.
FUEL SYSTEM.
.............................................................................................................
5-1
Section
I.
Introduction.
...................................................................................................................
5-1
Section
II.
Fuel Pumps .
..................................................................................................................
5-2
Section
III.
Fuel Tanks.
....................................................................................................................
5-6
Section
IV.
Fuel Lines and Fittings .
.................................................................................................
5-10
Section
V.
Fuel Filters.
....................................................................................................................
5-19
CHAPTER
6.
COOLING SYSTEM .
....................................................................................................
6-1
Section
I.
Introduction .
..................................................................................................................
6-1
Section
II.
Cooling System .
............................................................................................................
6-3
CHAPTER
7
ELECTRICAL SYSTEM.
................................................................................................
7-1
Section
I.
Introduction.
...................................................................................................................
7-1
Section
II.
Electrical Generation and Storage System.
...................................................................
7-3
Section
III.
Switches, Relays, and Sensors.
....................................................................................
7-9
CHAPTER
8
POWERTRAIN/STEERING .
.........................................................................................
8-1
Section
I.
Introduction.
...................................................................................................................
4-1
Section
II.
Powertrain/Steering.
......................................................................................................
8-1
Section
III.
Transmission .
................................................................................................................
8-4
Section
IV.
Transfer Assembly .
.......................................................................................................
8-3
Section
V.
Final Drive Assembly.
....................................................................................................
8-6
Section
VI.
Steering .
........................................................................................................................
8-9
CHAPTER
9
BRAKES.
.......................................................................................................................
9-1
Section
I.
Introduction.
...................................................................................................................
9-1
Section
II.
Brakes.
..........................................................................................................................
9-2
CHAPTER
10.
WHEELSANDTRACKS .
................................................................................................
10-1
Section
I.
Introduction.
...................................................................................................................
10-1
Section
II.
Roadwheel Arm Assembly .
...........................................................................................
10-2
Section
III.
Roadwheel Assembly .
..................................................................................................
10-6
Section
IV.
Track Adjuster/Idler Wheel Assembly .
..........................................................................
10-9
Section
V.
Sprocket Wheel .
............................................................................................................
10-14
Section
VI.
Track Assembly.
............................................................................................................
10-17
CHAPTER
11.
HYDRAULIC SYSTEM.
.................................................................................................
11-1
Section
I.
Introduction.
...................................................................................................................
11-1
Section
II.
Procedural Information .
.................................................................................................
11-2
Section
III.
Fluids and Seals.
...........................................................................................................
11-3
Section
IV.
Hydraulic Line Repairs.
..................................................................................................
11-5
Section
V.
Component Isolation.
.....................................................................................................
11-27
CHAPTER
12.
CANNON AND MOUNT .
...............................................................................................
12-1
Section
I.
Introduction.
...................................................................................................................
12-1
Section
II.
Mount Components .
......................................................................................................
12-3
Section
III.
Cannon Assembly .
........................................................................................................
12-5
Section
IV.
Sighting Equipment .
......................................................................................................
12-10
Section
V.
Composite Armor .
.........................................................................................................
12-10
Section
VI.
Traverse Mechanism .
...................................................................................................
12-16
ii
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