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Figure 4-82. Discharge Bypass Valve
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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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Figure 4-83. Valve Mounting Bracket
TM 5-4120-359-14
(4) Using a screwdriver, remove screw, lock washer, and clamp that holds valve to bracket.
(5) Discharge the refrigerant per paragraph 4-5.
(6) Wrap wet rags around valve body if it is to be reinstalled.
(7) While purging the system with nitrogen, debraze the tubing. (See paragraphs 4-6 and 4-7.)
(8) Remove discharge bypass valve from unit.
d. Installation
(1) Position discharge bypass valve in unit.
(2) Wrap wet rags around valve body.
(3) While purging the system with nitrogen, braze the tubing joints. (See paragraphs 4-6 and 4-7.)
(4) Using screwdriver, secure valve to bracket with a screw, lock washer, and clamp.
(5) Replace the dehydrator. (See paragraph 4-73.)
(6) Leak test all newly connected joints and those in the repair area. (See paragraph 4-8.)
(7) Evacuate and charge the refrigerant system. (See paragraphs 4-9 and 4-10.)
Follow-on Procedures: 1. Install right end condenser cover. (See paragraph 3-26.)
2. Install condenser section electrical module assembly. (See paragraph 4-90.)
3. Install air conditioner on shelter. (See paragraph 3-6.)
4. Connect power.
4-79. VALVE MOUNTING BRACKET
Preliminary Procedures:
1. Remove air conditioner from shelter, if necessary. (See paragraph 3-6.)
2. Remove right end condenser cover. (See paragraph 3-26.)
3. Remove condenser section electrical module assembly. (See paragraph 4-90.)
a. Inspect.
(1) Check that bracket is not cracked, bent, or broken. Replace if damaged.
(2) Check that mounting hardware and blind nuts are secure and in good condition.
4-164

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