TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 392 of 1275
TM 9-2350-311 -20-1 3-3 TROUBLESHOOTING CHART — CONTINUED z. PERSONNEL HEATER CIRCUIT — CONTINUED (2) PERSONNEL HEATER INDICATOR LIGHT FAILS TO OPERATE; PERSONNEL HEATER OPERATES . General mechanic’s tool kit (item 64, Appx H) Multimeters (item 36, Appx H) TA-1 probe kit (item 43, Appx H) Remove personnel HEATER indicator lamp. A 2. Place red lead of multimeters in center contact . and black lead to ground. 3. Turn MASTER switch ON, HEAT SELECTOR switch to LOW and check for voltage. 4. Turn MASTER and HEAT SELECTOR switches OFF. Is voltage present? Replace HEATER indicator lamp (para 8-20). CONTINUED ON NEXT PAGE 3-292