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TM 10-4320-342-24
3-19. PUMP AND CLUTCH (600 GPM FUEL PUMP) REPAIR.
This task covers:
a. Disassembly
b. Repair
c. Assembly
INITIAL SETUP
Tools
Materials/Parts
General Mechanics Tool Kit (App B, Sect III,
Rags (App E, Item 2)
Item 1)
Antiseize Tape (App E, Item 6)
Shop Equipment, Automotive Maintenance and
Sealing Compound (App E, Item 23)
Repair (App B, Sect III, Item 3)
Seal (App F, Item 83)
Torque Wrench 0-300 foot-pounds (App B,
Grease (App E, Item 11)
Sect III, Item 3)
Detergent (App E, Item 1)
Micrometer (App B, Sect III, Item 3)
Drycleaning Solvent P-D-680 (App E, Item 8)
Caliper (App B, Sect III, Item 3)
Carbon Seal (shaft) (App F, Item 51)
Depth Gage (App B, Sect III, Item 3)
Bearings (App F, Item 82)
Tool Kit, Screw Thread Insert (App B, Sect III,
Preformed Packings (App F, Items 33 and 75)
Item 3)
Shims (App F, Items 31, 77, 78, 79, 80 and 81)
Crowsfoot (App B, Sect III, Item 3)
Nuts, Self-Locking (App F, Items 32, 38, 76, 84
Hi-Torque Adapter (App B, Sect III, Item 3)
and 99)
Breechlock Field Wrench (App B, Sect III, Item 5)
Safety Wire (App E, Item 15)
Special Clutch Tool (App B, Sect III, Item 9)
Equipment Condition
Clutch and Pump Assembly removed (Para 2-24)
a. DISASSEMBLY. Refer to Figure 3-12.
(1)
Remove eight nuts (1) and washers (2). Studs (3) may come out with nuts.
(2)
Using crows foot wrench and allen wrench, remove nut (4) and washer (5).
CAUTION
Diffuser diameter is larger than inside diameter of manifold. Do not attempt to
fully remove housing without first removing diffuser screw.
(3)
Tap suction manifold (6) out from diffuser housing (7) until inducer (8) is loose on shaft (9).
(4)
Note position of inducer and remove inducer (8) and key (10) from shaft (9).
(5)
Separate suction manifold (6) from diffuser housing (7).
(6)
Remove spacer (11), impeller (12) and key (13) from shaft (9).
(7)
Remove seal (14) and carbon seal (15) from suction manifold (6).
(8)
Remove preformed packing (16) from suction manifold (6). Discard performed packing.
3-32
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