Disassembly - Valve -706880388

TM 5-4210-233-14&P-1

4-51. FRONT SUCTION VALVE-Continued

(10)

Turn shaft (11) until indicator (3) is at closed position.

(11)

Turn in limit stop screw (19), located on the shaft side of the housing, until it bottoms outs.

(12)

Turn shaft (11) until indicator (3) is at open position. Turn in other limit stop screw (19) until it

bottoms out.

(13)

Install two limit stop locking screws (18).

e. Disassembly - Valve.

(1)

Remove six screws (20), lockwashers (21) and nuts (22).

(2)

Remove inlet section (23) and outlet section (24).

(3)

Remove two screws (25) and 0-rings (26). Discard 0-rings.

(4)

Remove shaft (27), disk (28), bushing (29) and seal (30). Discard seal.

(5)

Remove seat (31) from housing (32).

f. Cleaning and Inspection - Valve.

WARNING

Dry cleaning solvent P-D-680 is potentially dangerous. Avoid

repeated and prolonged breathing of vapors and skin contact

with the liquid. Do not use near open flame, arcing equipment

or other ignition sources. Always wear eye protection and

protective clothing. The flash point of P-D-680 is 100 to 138

deg. F (38 to 59 deg. C).

Death or serious injury could occur if compressed air is directed

against the skin. Do not use compressed air for cleaning or

drying unless the pressure is/has been reduced to 30 psi (2.11

kg/cm2) or less. When working with compressed air, always use

chip guards, eye protection, and other personal protective

equipment.

(1)

Clean all parts using cleaning solvent P-D-680; dry using compressed air.

(2)

Check housing (32) and disk (28) for cracks or breaks. Replace part if any of these conditions

are observed.

(3)

Inspect seat (3) for wear or damage. Replace if required.

(4)

Inspect bushing (29) for wear or damage. Replace if worn or damaged.

(5)

Inspect shaft (27) for bends, deep grooves or scoring. Replace if damaged in any way.

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