TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 3–70 3–3 TROUBLESHOOTING — CONTINUED e. CAB HYDRAULIC SYSTEM — CONTINUED (1) POWER PACK HYDRAULIC PUMP MOTOR DOES NOT OPERATE, BUT CAB LIGHTING SYSTEM OPERATES NORMALLY. — CON- TINUED Notify support mainte- nance. 1. Turn MASTER and CAB POWER switches to OFF. 2. Reconnect wire 104 to power relay box assembly. 3. Disconnect wire 104 at power pack pump motor. 4. Turn MASTER and CAB POWER switches to ON. 5. Ensure power pack main accumulator assembly pressure is below 925 psi (6378 kPa). 6. Place red multimeter lead in wire 104 connector and black lead to ground. 7. Check for voltage. Is battery voltage present? Repair or replace wire 104 (para 8–5). yes no END OF TASK POWER PACK PUMP MOTOR WIRE 104 + – CONTINUED FROM STEP I M