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TM 10-4320-342-24
3-20. PUMP AND CLUTCH (200 GPM FUEL PUMP) REPAIR - continued.
Refer to Figure 3-28.
CAUTION
The drain ports on the bearing carrier and pump case assembly must align or
damage to pump and clutch may occur.
(36)
Align clutch assembly (1)with pump case assembly (2) and install screws (3), flat washers (4 and 5) and nuts (6).
Torque nuts 120 to 130 inch-pounds.
CAUTION
Do not touch mating surface of carbon seal or damage to seal may occur.
(37)
Install carbon seal assembly (7) in pump case assembly (2) on shaft (8).
(38)
Lubricate preformed packing in seal (9) and install seal on shaft (8).
(39)
install key (10) and impeller (11) on shaft (9) (large opening out) in pump case assembly (2),
(40)
Slide sleeve (12) into place on shaft (8).
(41)
Coat suction manifold (17), gasket (18) and pump case assembly (2) with sealing compound and install gasket on
suction manifold.
(42)
Align suction manifold (17) on pump case assembly (2) and install nuts (19) and washers (20) on studs (21).
(43)
Install key (13) in shaft (8) and slide inducer (14) against sleeve (12).
(44)
Install flat washer (15) and nut (16) on shaft (8). Use a 1/4 inch allen wrench to secure shaft while tightening nut.
Torque nut 220 to 240 inch-pounds.
(45)
Rotate pump shaft (8) to verify proper operation.
(46)
Install bushing (22) and elbow (23) in drain port on clutch assembly (1).
NOTE
Elbow must point toward suction manifold or drain tube will not align.
(47)
Install preformed packing (24) and plug (25) in pump case assembly (2).
(48)
Install lockwire (26) in plug (25) and lockwire to pump case assembly (2).
3-67
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