Quantcast Figure 4-86. Pressure Relief Valve 4120-01-069-1321)">

 

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PRESSURE RELIEF VALVE - 506780261
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TM-5-4120-359-14 Air Conditioner Split Package 18 000 BTU/HR Cooling 30 000 BTU/HR Heating 208 Volt 3 Phase 400 Hertz Manual
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CONDENSER COIL INSPECTION AND CLEANING/INSTALLED
TM 5-4120-359-14
Figure 4-86. Pressure Relief Valve
b. Removal
(1) Discharge the refrigerant system per paragraph 4-5.
(2) Using screwdriver, remove screw and clamp from top of coil housing.
(3) Use two wrenches. Hold fitting so that it is not twisted, and unscrew pressure relief valve.
c.
Installation
(1) Apply antiseize tape, item 16, Appendix E, to threads of valve.
(2) Use two wrenches. While holding adapter fitting, screw pressure relief valve in place.
(3) Using screwdriver, secure relief valve adapter with screw and clamp.
(4) Replace the dehydrator. (See paragraph 4-73.)
(5) Leak test all newly connected joints and those in the repair area. (See paragraph 4-6.)
(6) Evacuate and charge the refrigerant system. (See paragraphs 4-9 and 4-10.)
Follow-on Procedures: 1. Install top condenser cover. (See paragraph 3-25.)
2. Connect power.
4-170

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