TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 53 of 775
TM 9-2350-311-10
1-11
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - CONTINUED
1-11.4
Location and Description of Powerplant and Drivetrain Components (LHR Model 7083-7391)
28
29
30
31
32
- Continued
CYLINDER HEAD ROCKER COVER
(FRONT)
Covers engine rockers.
RIGHT ENGINE EXHAUST MANIFOLD
Routes engine exhaust from right side of engine.
MASTER RELAY
Delivers 24 vdc (nominal) electrical power to operating
systems when the MASTER switch is in ON position.
VOLTAGE REGULATOR
Controls electrical flow to vehicle operating system.
UNIVERSAL JOINT (LEFT)
Receives transmission output power and transfers output to
final drives.
Change 2
1-15
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