TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 321 of 1275
TM 9-2350-311-20-1 CONTINUED FROM STEP A B 1. Reconnect lead 36 to engine oil pressure transmitter. 2. Disconnect lead 36 from ENGINE OIL PRESSURE gage. 3. Turn MASTER switch ON and check ENGINE OIL PRESSURE gage for a reading. 4. If ENGINE OIL PRESURE gage shows a maximum reading, use a jumper wire to ground gage. 5. Check gage for reading. 6. Turn MASTER switch OFF. Does ENGINE OIL PRESSURE gage show minimum when grounded and maximum when not grounded? C. 1. Reconnect lead 36 to ENGINE OIL PRESSURE gage. 2. Disconnect lead 27 from ENGINE OIL PRESSURE gage. 3. Place red lead of multimeters in lead 27 and black lead to ground. 4. Turn MASTER switch ON and check for voltage. 5. Turn MASTER switch OFF. I Is voltage present? I Replace engine oil pressure gage (para 8-1 7) CONTINUED ON NEXT PAGE 3-221