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TM 10-4320-342-24
3-19. PUMP AND CLUTCH (600 GPM FUEL PUMP) REPAIR - continued.
Refer to Figure 3-20.
NOTE
Insure drain ports on diffuser housing and bearing carrier align and slots are
located on top position of the clutch housing.
(37)
Align shaft (1) with diffuser housing (2) and install diffuser housing (2) with discharge port (3) pointing up and slots
(5) pointing up.
(38)
Install eight washers (6) and nuts (7) on studs (8). Torque nuts 120 to 130 lb-in.
(39)
Install bushing (9) and elbow (10) in drain port (4) on bearing carrier (3) as noted during removal.
(40)
Install carbon seal (11) in diffuser housing (2).
(41)
Lubricate packing with grease in seal (12) and install on shaft (1).
(42)
Install key (13) on shaft (1).
(43)
Install impeller (14) with deep open end pointing out (toward inlet port).
(44)
Lubricate preformed packing (15) and install packing on suction manifold (16).
(45)
Position suction manifold (16) in diffuser housing (2) with discharge port aligned. Install eight studs (17) (if
removed), washers (18) and nuts (19). Torque nuts 120 - 130 lb-in.
(46)
Install spacer (20), large end first, on shaft (1).
(47)
Install key (21) in keyway on shaft (1).
(48)
Install inducer (22) on shaft (2).
(49)
Install flatwasher (23) and nut (24) on shaft (2). Using allen wrench and crowsfoot wrench, torque nut 220 - 245
lb-in.
(50)
Manually rotate shaft (1) to ensure free operation.
3-49
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