TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 Change 3 3–71 e. CAB HYDRAULIC SYSTEM — CONTINUED (2) HYDRAULIC PRESSURE IS NORMAL, BUT HYDRAULIC POWER IS NOT BEING SUP- PLIED. INITIAL SETUP Test Equipment Multimeter (item 6, Appx H) Tools Artillery and turret mechanic’s tool kit (SC 4933–95–A12) Personnel Required 2 Equipment Condition Vehicle MASTER switch to OFF (TM 9–2350–311–10) CAB POWER switch to OFF (TM 9–2350–311–10) Cab access cover removed (para 14–11) Replace power pack so- lenoid (para 6–5). 1. Turn MASTER and CAB POWER switches to OFF. 2. Have one man depress plunger on power pack solenoid at top of power pack with screwdriver. 3. Have second man traverse (left or right) and hold left gunner’s control handle until accumulator pressure gage reads zero. Can hydraulic system be discharged? 1. Disconnect wire 625A at power pack solenoid. 2. Turn MASTER and CAB POWER switches to ON. 3. Place red multimeter lead in wire 625A and black lead to ground. 4. Check for voltage. Is battery voltage present? yes no A Repair or replace wire 625A (para 8–2). B yes no WIRE 625A POWER PACK SOLENOID + – Notify support mainte- nance. END OF TASK