TM
9-4120-388-14
5-20. LIQUID QUENCH EXPANSION VALVE.
b. Test
This task covers:
a. Inspection
d. Installation
c. Removal
INITIAL SETUP:
Equipment Condition
Junction box removed (4-46).
Inspection.
a.
(1) Inspect for evidence of leaks, kinked, or otherwise damaged capillary line, and loose or missing mounting
hardware.
(2) Be sure to see that thermal bulb is securely clamped to the suction line.
b.
Test.
(1) Perform a refrigerant pressure check on unit in accordance with paragraph 5-13. 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 of suction line adjacent to the sensing bulb; use