TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 3–62 3–3 TROUBLESHOOTING — CONTINUED e. CAB HYDRAULIC SYSTEM — CONTINUED PICTORIAL VIEW ELECTRICAL SCHEMATIC CAB POWER PACK HYDRAULIC PUMP DRIVE MOTOR CIRCUIT (M109A4/M109A5 HOWITZERS) 1 9 5 8 10 6 2 3 4 7 1 8 7 10 5 3 2 4 1 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. Clutch valve solenoid 9. Traverse bypass valve assembly 10. Elevation selector valve assembly 11. Hydraulic pump motor