TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 288 of 1275
TM 9-2350-311-20-1 3-3 TROUBLESHOOTING CHART — CONTINUED o. ENGINE WATER TEMP INDICATOR CIRCUIT — (1) ENGINE WATER TEMP INDICATOR NEEDLE FAILS CONTINUED TO MOVE OR IS UNSTEADY; ALL OTHER GAGES OPERATE PROPERLY — CONTINUED CONTINUED FROM STEP B I 1. 2. I Reconnect lead 33A to ENGINE WATER 3. 4. 5. TEMP gage. Disconnect lead 27 from ENGINE WATER TEMP gage. Place red lead of multimeter in lead 27 and black lead to ground. Turn MASTER switch ON and check for voltage. Turn MASTER switch OFF. Is voltage present? I I I 2. 3. 4. 5. Reconnect lead 27 to ENGINE WATER TEMP gage. Disconnect lead 27 from circuit breaker output. Place red lead of multimeter in circuit breaker and black lead to ground. Turn MASTER switch ON and check for voltage. Turn MASTER switch OFF. Is voltage present? Go to step 1. I CONTINUED ON NEXT PAGE TEMP gage (para 8-17). 1. 3-188