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TM 10-4320-342-24
3-20. PUMP AND CLUTCH (200 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,
Grease (App E, Item 11)
Item 1)
Detergent (App E, Item 1)
Tool Kit, Screw Thread Insert (App B, Sect III,
Drycleaning Solvent P-D-680 (App E, Item 8)
Item 3)
Rags (App E, Item 2)
Special Clutch Cloth (App B, Sect III, Item 10)
Tape, Antiseize (App E, Item 6)
Torque Wrench 0-300 ft-lbs (App B, Sect III,
Gasket (App F, Item 86)
Item 3)
Carbon Seal (App F, Item 51)
Micrometer (App B, Sect III, Item 3)
Preformed Packings (App F, Items 47 and 75)
Caliper (App B, Sect III, Item 3)
Safety Wire (App E, Item 15)
Depth Gauge (App B, Sect III, Item 3)
Shims (App F, Items 29, 78, 80, 81, 87, 88 and 89)
Tool Kit Thread Insert (App B, Sect III, Item 3)
Nut, Self-Locking (App F, Items 30, 38, 84, 92 and 99)
Crows Foot (App B, Sect III, Item 3)
Wear Ring (App F, Items 40 and 41)
Bearing (App F, Item 82)
Equipment Condition
Pump and Clutch removed (Para 2-18)
a. DISASSEMBLY. Refer to Figure 3-21.
(1)
Using crows foot wrench and allen wrench, remove nut (1) and washer (2) from pump shaft (3).
(2)
Remove inducer (4) and key (5) from pump shaft (3).
(3)
Remove nuts (6) and washers (7). Studs (8) may come out with nuts and washer.
(4)
Separate suction manifold (9) from pump case (10).
(5)
Remove gasket (11) from suction manifold (9). Discard gasket.
(6)
Remove sleeve (12), impeller (13), key (14), seal (15), carbon seal (16) from shaft (3) in pump case (10). Discard
seals.
(7)
Cut and remove safety wire (17) from plug (18) and pump case (10).
(8)
Remove plug (18) and preformed packing (19) from pump case (10). Discard preformed packing.
(9)
Remove nuts (20), flat washers (21), bolts (22) and flat washers (23); then slide pump case (10) off pump shaft
(3).
3-51
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