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TM 10-4930-240-13
4-19. PRESSURE REGULATING VALVE ASSEMBLY REPAIR - cont.
(24) Remove disc retainer (10) and disc (11) from stem (14) Separate disc retainer from disc.
(25) Remove spacer washer (12) and disc guide (13) from stem (14).
(26) If required, remove seat (15) and packing (16) from body (17).
b. Cleaning.
WARNING
Dry cleaning solvent, P-D-680, Type III, is potentially dangerous to personnel and
equipment. Eye and skin protection is required. Avoid repeated and prolonged
skin contact. Wash hands immediately after exposure. Do not use near open
flame or excessive heat Use only in areas with good ventilation.
Using wiping rags and cleaning solvent, remove dirt and contaminants from all components.
c. Repair. Replace damaged or defective parts and all sealing components.
d. Assembly.
Assemble Pressure Regulating Valve. Refer to figure 4-10.
(1) If removed, install packing (16) and seat (15) in body (17).
(2) Install disc guide (13) and spacer washer (12) on stem (14).
NOTE
Number of spacer washers must be adjusted during assembly to prevent over
compression of disc.
(3) Position disc (11) on disc retainer (10), then slide both parts onto stem (14).
4-32
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