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 2 6–13 d. Charging CAUTION If hydraulic pressure reaches 1400 psi (9653 kPa), immediately turn CAB POWER switch to OFF to avoid damaging system. Discharge hydraulic system (para 6–3a.), and turn CAB POWER switch to ON. If pressure again reaches 1400 psi (9653 kPa), turn CAB POWER switch to OFF and troubleshoot the pressure switch. 1 Lower travel lock and unlock turret lock (TM 9–2350–311–10). 2 Turn MASTER switch (5) and CAB POWER switch (6) to ON to charge elevating and traversing systems. 3 Rotate elevating hand pump (16) clockwise until movement of elevation cylinder is detected. 4 Turn TRAVERSE CONTROL switch (24) to POWER position. Traverse cab one full revolution in each direction. 5 Set MASTER switch (5) and CAB POWER switch (6) to OFF. 6 Check hydraulic fluid level at sight gage (21). Fluid must be at FULL AFTER PUMPING mark (25). If neces- sary, add hydraulic fluid (para 6–3c.). 5 6 24 16