TM-9-2320-386-10 Page 161

TM-9-2320-386-10 Operator's Manual for M44A3 Series Trucks

Page 161 of 223

TM 9-2320-386-10 Change 1 3-11 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Table 3-1. Troubleshooting (Contd). FRONT WINCH WARNING Wear hand protection when handling winch cable. Broken wires may cause injury to personnel. 22. WINCH DRUM DOES NOT TURN OR PAY OUT CABLE Step 1. Check hydraulic reservoir oil level (para. 3-7). If low, add oil (table 2-2). Step 2. Check to see if drum lock knob is engaged. Pull out drum lock knob, rotate it a quarter of a turn clockwise, and release into a shallow slot on nut (para. 2-18). Step 3. Check to see if cable is binding. Free cable from drum. Step 4. Check if winch clutch control lever is engaged. Move winch clutch control lever to proper position (para. 2-18). END OF TESTING! COOLING SYSTEM WARNING Extreme care should be taken when removing surge tank filler cap if temperature gauge reads above 160°F (71°C). Contact with steam or hot coolant under pressure may result in injury to personnel. 23. ENGINE TEMPERATURE EXCEEDS 230°F (110°C) Step 1. Check coolant level (para. 3-7). If low, add coolant. Step 2. Check engine oil level (para. 3-7). If low, add oil (table 2-2). Step 3. Check for leakage from radiator, surge tank hoses, and hose connections. If loose, tighten. If still leaking, notify unit maintenance. Step 4. Check transmission oil cooler for leaks. If leaking, notify unit maintenance.