TM 5-3805-262-203-30. ENGINE TROUBLESHOOTING (CONT) MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION6. ENGINE STALLS FREQUENTLY OR DOES NOT DEVELOP FULL POWER (Cont).Step 3.Check for air in fuel system.a .b.Open bleed valve on first stagef i l t e r .T e l l a s s i s t a n t t o t u r n i g n i t i onkey switch to on position.Close bleed valve when clearbubble free fuel appears. Tella s s i s t a n t t o t u r n i g n i t i o n k eyswitch to off position.Open bleed valve on second stagef i l t e r .T e l l a s s i s t a n t t o t u r n i g n i t i onkey switch to on position.Close bleed valve when clearbubble free fuel appears. Tella s s i s t a n t t o t u r n i g n i t i o n k eyswitch to off position.Use clean cloth and wipe up anyD i e s e l f u e l s p i l l a g e.If no air in fuel system, go to step 4 below.Step 4.Operate engine for 15 minutes at idle speed to warm coolant.Unlock radiator cap access panel.R e m o v e r a d i a t o r c a p s l o w l y t o r e l i e v epressure before completely removing whene n g i n e i s h o t .F a i l u r e t o d o s o c o u ldc a u s e s e v e r e b u r n s d u e t o h o t s t e ams c a l d i n g y o u . I f y o u a r e s c a l d e d b y h otsteam, seek medical aid immediately.Carefully remove radiator cap, andmeasure coolant temperature using athermometer (be sure thermometer doesnot touch any metal parts of radia-t o r ) .Coolant temperature must be between175 to 202 degrees F.3-226
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