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TM 10-4320-342-24
2-21. BALL VALVE AND DISCHARGE ADAPTER REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Tools
Equipment Condition
General Mechanics Tool Kit (App B, Sect III,
Discharge elbow removed (Para 2-20)
Item 1)
Torque Wrench 0-600 (App B, Sect III, Item 2)
Material/Parts
Preformed Packings (App F, Item 3, 44, 45 and 108)
Lubricant (App F, Item 18)
Locknuts (App F, Item 99)
Gasket (App F, Item 4)
NOTE
This procedure covers the ball valve and discharge adapter on the 200 GPM fuel
pump. Replacement of ball valve and discharge adapter on the 600 GPM fuel pump
is similar.
a.
REMOVAL. Refer to Figure 2-41.
(1)
Remove swivel elbow (1), adapter (2) and preformed packing (3) from discharge elbow (4). Discard preformed
packing.
(2)
Remove plug (5) and preformed packing (6) from discharge adapter (4). Discard preformed packing.
(3)
Mark position of discharge adapter (4) prior to removal.
(4)
Remove locknuts (7), flatwashers (8) and bolts (9) from ball valve (10) and discharge adapter (4). Discard
locknuts.
(5)
Remove ball valve (10), discharge adapter (4) and preformed packing (11) from pump clutch assembly (12).
(6)
For repair of ball valve (10), refer to para 2-22 for 2-inch ball valve or para 2-23 for 6-inch ball valve.
b.
INSTALLATION.
(1)
Lubricate preformed packings (11) and install on discharge adapter (4) and pump clutch assembly (12).
2-111
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