TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 312 of 1275
TM 9-2350-311-20-1 3-3 TROUBLESHOOTING CHART — CONTINUED q. TRANSMISSION OIL PRESSURE INDICATOR TRANSMISSION OIL PRESSURE INDICATOR NEEDLE CIRCUIT — CONTINUED FAILS TO MOVE OR IS UNSTEADY; ALL OTHER GAGES OPERATE PROPERLY — CONTINUED CONTINUED FROM STEP A I Reconnect lead 321 to transmission oil B 1. pressure transmitter. 2. Disconnect lead 321 from TRANSMISSION OIL PRESSURE gage. 3. Turn MASTER switch ON and check TRANSMISSION OIL PRESSURE gage for a reading. 4. If TRANSMISSION OIL PRESSURE gage shows a maximum reading, use a jumper wire to ground gage. 5. Check gage for reading. 6. Turn MASTER switch OFF. Does TRANSMISSION OIL PRESSURE gage show minimum when grounded and maximum when not grounded? 1. Reconnect lead 321 to TRANSMISSION OIL C PRESSURE gage. 2. Disconnect lead 27 from TRANSMISSION OIL PRESURE 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. Is voltage present? PORTABLE INSTRUMENT PANEL 3-212