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TM 5-4120-259-15
REMOVAL
STEP 1.
STEP 2.
STEP 3.
STEP 4.
INSTALL
REMOVE RIGHT SIDE PANEL (FIG. 13).
DISCHARGE REFRIGERANT (PAR.
94) AND OBSERVING PARAGRAPH 96, UNBRAZE THE
VALVE AT JOINTS.
DISCONNECT EXPANSION VALVE BULB FROM SUCTION LINE TuBING BY REMOVING TAPE
UNBRAZE DISTRIBUTOR.
NEW VALVE IN REVERSE ORDER.
A D J U ST THE VALVE BY REMOVNG THE CAP AND TURNING THE SLOTTED ADJUSTMENT STEM.
TURN COUNTERCLOCKWISE TO INCREASE FLOW AND LOWER EVAPORATOR TEMPER-
ATURE.
OPPOSITE MOVEMENT WILL GIVE OPPOSITE RESULTS. TURN NO MORE THAN
TWO TURNS AT A TIME.
ALLOW ABOUT 30 MINUTES FOR BALANCE TO TAKE PLACE
AFTER EACH ADJUSTMENT.
Figure 29. Expansion Valve, Adjustment, Removal And Installation.
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