TM-9-2350-247-10 Operator Manual M548A1 M548A3 Tracked Cargo Carrier Download
Page 342 of 640
TM 9-2350-247-10 TROUBLESHOOTING TABLE — Continued 0056 00 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 3. ENGINE CRANKS BUT DOES NOT START WHEN TEMPERATURE IS BELOW 40 F (4 C) AND AIR BOX HEATER IS USED. 1. Check for leaks in air box heater fuel lines or connections (M548A1). Tighten any loose connections. Notify unit maintenance. 4. ENGINE CRANKS TOO SLOW TO START. 1. (M548A3) Troubleshoot electrical system (WP 0055 00). (M548A1) Use outside power source (WP 0015 00) or tow start (WP 0051 00) carrier. If the cause of slow cranking is not obvious, have unit maintenance troubleshoot the electrical system (WP 0055 00). C A U T I O N Never move the engine disconnect handle when the engine is running. 2. Temperature is colder than -25 F and engine disconnect is not disengaged. Disengage engine disconnect (WP 0039 00). 5. ENGINE LABORS, RUNS ROUGH, STALLS, OR DOES NOT PUT OUT FULL POWER. 1. Check if engine (M548A1) is getting enough air. Clean air cleaner element (WP 0063 00). 2. Check if air cleaner indicator has red in window. Notify unit maintenance. 3. Check if there is water in fuel. Drain primary and secondary fuel filters and air separator tank (WP 0069 00). 4. High elevation operation. The carrier usually loses power at high elevations (mountain passes or high plateaus). If carrier runs rough or power loss is bad, notify unit maintenance. 6. ENGINE OVERHEATS. C A U T I O N Driving carrier with an overheated engine can damage engine. When ENGINE COOLANT TEMPERATURE GAUGE indicates above 230 F (110 C), stop carrier and run engine at 1000 to 1200 rpm until coolant temperature drops below 230 F (110 C). 0056 00-10 º º º º º º º Change 1