5-12. REPLACE/INSPECT/REPAIR PUMP CASING.
This task covers:
Tool Kit, General Mechanics
Hex Key Drive
Tool Kit, Screw Thread Insert, 5/16 x 18 UNC
Para 4-16 Pump suction, discharge, and priming
port piping, coupling halves, and dust
Tool Kit, Screw Thread Insert, x 20 UNC
Para 4-17 Inlet (suction) flange and check valve
Tool Kit, Screw Thread Insert, x 13 UNC
Para 5-11 Impeller, wear plate, shaft seal, and
shaft adapter removed
a. Remove drain cock (1) and busing adapter (2).
Remove and discard four socket head cap screws (3).
d. Separate pump casing (4) from engine.
a. Wipe surface areas with clean, dry cloth.
b. Inspect all surfaces and edges for cracks.
When using compressed air, always use chip guards and wear eye
protection, or serious injury to personnel could result.
Blow out suspicious-looking and difficult-to-reach areas with compressed air to remove
deposits and reveal flaws.
d. Inspect threaded inserts and studs for damaged threads.