Figure 2-22. Pump coupling, exploded view

TM 5-4320-234-34

Figure 2-22. Pump coupling, exploded view

(3) Remove the setscrew (3) that secures

not use near open flame or excessive heat.

the coupling half (7) to the impeller shaft; remove the

Flash point of solvent is 100 to 138 F (38 to

coupling half and key.

59 C).

(4) Remove the lock wire (4) and the

Cleaning and Inspection.

retaining ring (5) that secure the collar (6) to the

coupling half; remove the collar.

(1) Clean the six cushions by wiping them

with a clean, dry cloth.

(5) Remove the cap screws (8) and lock

washers (9) that secure the drive plate (12) to the

(2) Wash all remaining parts with cleaning

engine flywheel; remove the assembled coupling half

solvent (Fed. spec P-D-680); dry thoroughly.

(13) and drive plate.

(3)

Inspect the cushions for cracks, wear,

(6) Remove the cap screws (10) and lock

and deterioration; replace damaged

washers (11) that secure the coupling half (13) to the

cushions.

drive plate (12); remove the coupling half.

(4) Inspect the coupling halves for cracks,

WARNING

worn teeth, worn bores, damaged threads, and other

damage; replace damaged coupling halves.

Clean all parts in a well-ventilated area.

Avoid inhalation of solvent fumes and

(5) Inspect the drive plate for cracks,

prolonged exposure of skin to cleaning

distortion, and worn mounting holes; replace a damaged

solvent. Wash ex posed skin thoroughly.

drive plate.

Dry cleaning solvent (fed. spec. P-D-680)

(6) Inspect all other parts for cracks,

used to clean parts is potentially

distortion and other damage; replace damaged parts.

dangerous to personnel and property. Do

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