TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 176 of 828
TM 9–2350–311–20–2 3–65 E yes no Repair or replace wire 645 from cannon plug to quick- disconnect at pressure switch (para 8–6). 1. Turn MASTER and CAB POWER switches to OFF. 2. Connect jumper wire to A and B socket holes in cannon plug. 3. Turn MASTER and CAB POWER switches to ON. Does hydraulic pump motor come on? Remove jumper wire from cannon plug. Replace pres- sure switch (para 6–6). CONTINUED FROM STEP D yes no CONTINUED ON NEXT PAGE F CANNON PLUG SOCKET A + – 1. Turn MASTER and CAB POWER switches to OFF. 2. Reconnect wire 645 to quick-disconnect at pressure switch. 3. Disconnect cannon plug from top of pressure switch. 4. Turn MASTER and CAB POWER switches to ON. 5. Place red multimeter lead in cannon plug socket A and black lead to ground. 6. Check for voltage. Is battery voltage present? CANNON PLUG SOCKETS A AND B yes no Repair or replace wire 645 (para 8–2).