TM 9-2320-209-20-3-1 4-18. MANIFOLD HEATER FUEL PUMP REMOVAL AND REPLACEMENT (TRUCKS WITH ENGINES LDS 427-2 AND LDS 465-1). TOOLS : 5/16-inch wrench 7/16-inch wrench 3/8-inch wrench Cross-tip screwdriver (Phillips type) Slip joint pliers SUPPLIES: Container PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. Preliminary Procedure. Open hood and right side panel. Refer to TM 9-2320-209-10. b. Removal. NOTE Set manifold heater switch to OFF position. 1. Put container under manifold heater fuel pump (1). 2. Using pliers, unscrew and take off electrical connector ( 2). 3. Using 7/16-inch wrench, unscrew coupling nut (3) and take out fuel tube (4) from elbow (5). 4. Using 5/16-inch and 7/16-inch wrenches, unscrew coupling nut ( 6 ) from union (7) and take out fuel tube (8) from union. GO TO FRAME 2 TA 047058 4-94