TM 9-2350-247-20-1ENGINE CRANKS BUT WILL NOT START BELOW 40F (AIR BOX HEATERIS USED)0015 00INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0541 00, Item 57)STE/ICE-R Test Set (WP 0541 00, Item 6)Multimeter (WP 0541 00, Item 29)Personnel RequiredUnit MechanicHelper (H)ReferencesSee your -10WP 0113 00Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)Cab personnel seats raised (see your -10)Power plant rear access door/panel removed(see your -10)NOTEM548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown.T1. Remove air pump to air box heater hose (1) from air box (2).2. Turn MASTER SWITCH ON.3. Turn air box heater switch ON (see your -10).4. Does air flow from end of hose?YESNOGO TO BY (PAGE 0015 00-5)0015 00-1
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