TM 9–2350–311–20–2
3–61
PICTORIAL VIEW
ELECTRICAL SCHEMATIC
1
CAB POWER PACK HYDRAULIC PUMP DRIVE MOTOR CIRCUIT (M109A2/M109A3 HOWITZERS)
9
5
8
10
6
2
3
7
1
4
1
5
3
2
1
8
7
10
4
11
A
645
LEGEND:
1. Contact arm assembly
2. Power relay box assembly
3. Pressure switch
4. Power pack assembly
5. Gunner’s selector switch box assembly
6. Segment board
7. Power valve solenoid
8. Traverse clutch
9. Traverse bypass valve assembly
10. Elevation selector valve assembly
11. Hydraulic pump motor