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TM 5-4210-220-12
4-15. AUXILIARY POWER UNIT - Continued
4-15.1 Auxiliary Power Unit Assembly - Continued
(4)
Insert capscrews (1) through plate, rubber washer (3) and bottom of box. Place rubber washer on end
of each capscrew followed by washer (2) and locknut (4).
(5)
Torque locknuts to 30 ft lb (41 Nm).
(6)
Install pulley cover (15) in compartment. Lower manual start cover (14) over pulley and tighten
capscrews (13).
(7)
Reconnect fuel delivery and return hoses.
(8)
Reconnect air intake hose (10) between engine and back of box. Tighten hose clamps (9).
(9)
Reconnect electrical wires to engine starter and alternator.
(10)
Push water hoses (5, 7 and 11) over pump barbed nipples and tighten hose clamps (6, 8 and 12).
(11)
Remove hose crimp retaining pliers from water hoses.
(12)
Fill engine with oil as detailed in the Lube Order (LO 5-4210-220-12).
(13)
Start APU and run for 15 minutes checking fuel and water connections. This also will remove all air
out of the Winterization System.
(14)
Loosen top hose on pump body heater and bleed all air from the heater.
(15)
Check level of coolant in main engine radiator and top up as required.
4-144/(4-145 Blank)
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