TM 9-2320-260-10Table 3-1. Troubleshooting (Cont'd)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONSPECIAL PURPOSE KITS:DEEP WATER FORDING KIT47. FORDING CONTROL HANDLE INOPERATIVE.Step 1.Check to see if wire is not attached to fording control valve.If not attached, notify organizational maintenance.Step 2.Check to see if wire is kinked.If kinked, notify organizational maintenance.ARCTIC WINTERIZATION KIT48. ENGINE FAILS TO REACH OPERATING TEMPERATURECheck to see if radiator cover flap is opened. (Refer to paragraph 2-43b.)Roll cover flap down and secure.49. ENGINE TEMPERATURE APPROACHES 195°F (90°C).Step 1.Check to see if radiator cover flap is closed. (Refer to paragraph 2-43b.)Roll up cover flap and secure.Step 2.Check coolant level in surge tank.Add coolant to surge tank until at least 3/4 full. Check for leakage from tank and hoses.leaking, notify organizational maintenance.50. FUEL BURNING PERSONNEL HEATER FAILS TO START WHEN RUN-OFF-START SWITCH ISHELD IN START POSITION.WARNINGExhaust gases can kill. Do not operate engine coolant heater in closed areaoccupied by personnel.Heater will not operate if RUN-OFF-START switch is moved to RUN positionbefore indicator lamp lights up.Step 1.Check if engine is running.If not, start engine.Step 2.Check fuel level on fuel gage.Fill fuel tank(s) if necessary.Step 3.See if emergency switch is in OFF position.Turn switch to ON position.Step 4.Check to see if electric fuel pump shutoff valve is closed. Open valve. (Refer toparagraph 2-43c.)Step 5.Depress PRESS-TO-TEST button on heater control box to check operation of circuit.If indicator lamp does not light up, notify organizational maintenance.Step 6.Check to see if HI-LO switch on heater control box is set to HI position.Set HI-LO switch to HI position.3-11
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