TM 9-2350-247-10TROUBLESHOOTING TABLE—Continued 0056 00MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION3. ENGINE CRANKS BUT DOESNOT START WHENTEMPERATURE IS BELOW40F (4C) AND AIR BOXHEATER IS USED.1. Check for leaks in air box heaterfuel lines or connections(M548A1).Tighten any loose connections.Notify unit maintenance.4. ENGINE CRANKS TOO SLOWTO START.1. (M548A3) Troubleshoot electricalsystem (WP 0055 00).(M548A1) Use outside power source(WP 0015 00) or tow start(WP 0051 00) carrier. If the cause ofslow cranking is not obvious, have unitmaintenance troubleshoot the electricalsystem (WP 0055 00).CAUTIONNever move the enginedisconnect handle when theengine is running.2. Temperature is colder than -25Fand engine disconnect is notdisengaged.Disengage engine disconnect(WP 0039 00).5. ENGINE LABORS, RUNSROUGH, STALLS, OR DOESNOT PUT OUT FULL POWER.1. Check if engine (M548A1) isgetting enough air.Clean air cleaner element(WP 0063 00).2. Check if air cleaner indicator hasred in window.Notify unit maintenance.3. Check if there is water in fuel.Drain primary and secondary fuelfilters and air separator tank(WP 0069 00).4. High elevation operation.The carrier usually loses power at highelevations (mountain passes or highplateaus). If carrier runs rough orpower loss is bad, notify unitmaintenance.0056 00-10
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