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 TM 55-1905-220-14-9
4-36.4. WATER REGULATING VALVE - AIR CONDITIONING - MAINTENANCE INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENT
4.
The opening point of the valve can be adjusted by turning the adjusting stem. To raise
valve opening point, turn adjusting stem counterclockwise. To lower valve opening
point, turn adjusting stem clock-wise. Closing point of valve is about 3 to 7 psi (20.7 to
48.3 kPa) below opening point and is non-adjustable. Adjust valve to maintain a
refrigerant head pressure of 90 to 125 psig (620.5 to 861.9 kPa).
4-1004
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