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Page Title: DISASSEMBLY
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ARMY TM 9-4210-381-14 NAVY EE-000-CA-MMA-010/7053-AC AIR FORCE TO 35E9-136-31 5-44. PRESSURE REGULATOR VALVE - Continued. ADJUST - Continued. 7. Check to be sure temperature reading remains unchanged for two minutes. NOTE For this adjustment,.  the return air has to be less than 88°F (31.1 °C). 8. If indicated temperature is not 52-58°F (11.1-14.4°C), adjust pressure regulator valve. 9. Turn the stem clockwise to increase temperature; counterclockwise to decrease temperature.  Run air conditioner about   30   minutes,   then   check   thermometer   and   normal   temperature   indication   above.      Make   additional adjustments to temperature as necessary. 10. If temperature can not be stabilized, repair/replace pressure regulator valve. 11. Turn off air conditioner. 12. Disconnect air conditioner input power at source. 13. Remove thermocouple. 14. Reset thermostat for desired temperature. REPAIR/REPLACE Repair consists of replacing bonnet assembly, adapter body, caps or pressure regulator. DISASSEMBLY 1. Backout temperature adjust screw (2). 2. Remove eight bolts (1) and bonnet body (3). 3. Remove two spring guides (4) and (6), spring.(5) and disk (7). 4. Remove diaphragm (9) and two gaskets (8) and (10). 5. Remove eight bolts (11) and pilot body (12). 6. Remove gasket (32) and O-ring (31). 7. Remove eight bolts (28), adapter body (30), and gasket (29). 8. Remove cap (23) and gasket (24). 9. Remove stuffing box nut (22). 10. Remove packing ring (25). 11. Remove packing washer (26). 12. Remove bottom cap (27). 13. Remove bottom cap seal (21). 14. Remove dirty wiper (20). 15. Remove dirty wiper retainer (19). 16. Remove closing spring (18). 17. Remove manual operating stem (17). 18. Remove throttling plug (16). 19. Remove piston (33) through top of valve body (34). 5-98

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