TM-9-2320-361-24-1
2-1/2 TON, 6X6, M44A2 SERIES TRUCKS
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2
AUGUST 2006
TM-9-2320-361-24-1 - Page 74 of 1176
TM 9-2320-361-24-1
0003 00
0003 00-12
THEORY OF OPERATION (Contd)
0003 00-12
ENGINE CONTROL SYSTEM
Engine Control System Operation:
The engine control system consists of mechanical linkage
connecting driver’s controls to the fuel injector pump. The major components of the engine control
system are as follows:
ENGINE STOP CONTROL
– Cuts off fuel supply to engine when pulled.
HAND THROTTLE CONTROL
– Sets engine speed at desired RPM without operator maintaining
pressure on accelerator pedal.
ACCELERATOR PEDAL
– Controls engine speed.
ACCELERATOR LINKAGE
– Links accelerator pedal and throttle control to fuel pump. The
components of the accelerator linkage are:
1. Injection Pump Lever
2. Accelerator Rod
3. Return Spring
4. Pivot Lever
D
C
B
A
LATE MODEL
EARLY MODEL
B
B
A
B
C
D
A
A
4
1
2
3
Back to Top
