TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 3–34 Change 2 3–3 TROUBLESHOOTING CHART — CONTINUED c. CAB TRAVERSING SYSTEM — CONTINUED (1) CAB WILL NOT TRAVERSE UNDER POWER OR MANUALLY, BUT HYDRAULIC PRESSURE IS NORMAL AND CAB LIGHTING OPERATES. INITIAL SETUP Test Equipment Multimeter (item 6, Appx H) Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) References TM 9–2350–311–10 Equipment Condition Vehicle MASTER switch to ON (TM 9–2350–311–10) CAB POWER switch to ON (TM 9–2350–311–10) TRAVERSE CONTROL switch to POWER (TM 9–2350–311–10) 1. Turn MASTER and CAB POWER switches to OFF. 2. Disconnect wire 825A from bypass valve assembly solenoid. 3. Turn MASTER and CAB POWER switches to ON. 4. Ensure TRAVERSE CONTROL switch is in POWER position. 5. Place red multimeter lead in wire 825A and black lead to ground. 6. Check for voltage. Is battery voltage present? Check for cant in excess of 89 mils (TM 9–2350–311–10). Level vehicle if necessary. Does cab traverse under power? yes no A yes no Go to step F. WIRE 825A SOLENOID BYPASS VALVE ASSEMBLY B CONTINUED ON NEXT PAGE – + CAB POWER SWITCH TRAVERSE CONTROL SWITCH Continue normal opera- tions.