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TM5-4120-387-14
Figure 5-17. Liquid Quench Expansion Valve
a.
Inspection
(1) Inspect for evidence of leaks, kinked, or otherwise damaged capillary
line, and loose or missing mounting hardware.
(2) Check thermal bulb to see that it is securely
line.
(3) If a leak is suspected or indicated, test per
clamped to the suction
paragraph 5-9.
b.
Test
(1) Performs refrigerant pressure check on unit in accordance with
paragraph 5-12.
Leave gages or service manifold attached.
(2) Unwrap insulation tubing from compressor suction line so that sensing
bulb and an adjacent section of the suction line is exposed.
(3) Attach an accurate thermometer to an exposed surface to suction line
adjacent to the sensing bulb; use a small gob of thermal mastic, to improve
conductivity.
5-44
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