Figure 29. Expansion Valve, Adjustment, Removal And Installation

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. 44