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TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download

Page 145 of 828

TM 9–2350–311–20–2 3–36 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 OPER- ATES.– CONTINUED Replace wire 825A from gunner’s selector switch box assembly to bypass valve assembly (para 8–7). 1. Turn MASTER and CAB POWER switches to OFF. 2. Disconnect harness from J2 connector at gunner’s selector switch box assembly. 3. Place one multimeter lead on output terminal 3 of TRAVERSE CONTROL switch and the other lead to pin C of J2 connector. 4. Check for continuity. Is continuity present? E yes no CONTINUED FROM STEP D OUTPUT TERMINAL GUNNER’S SELECTOR SWITCH BOX ASSEMBLY J2 CONNECTOR – + TRAVERSE CONTROL SWITCH Replace wire from TRAV- ERSE CONTROL switch to pin C of J2 connector (para 8–12). PIN C CONTINUED ON NEXT PAGE