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DEHYDRATOR. - TM-5-4120-339-140110
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TM-5-4120-339-14 Air Conditioner Vertical Compact 9 000 BTU/HR 208 Volts 3-Phase 50/60 HZ Tierany Model TM9KV-208-3-60 Manual
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Figure 4-17. Removal and installation of sight glass
TM 5-4120-339-14
(5) Refer to paragraph 4-10 and charge the system with refrigerant.
4-19.
SIGHT GLASS.
a. Inspection.
(1) Turn the selector switch to the "OFF" position and disconnect the air conditioner from the electrical power
source.
(2) Refer to figure 4-17 and inspect the sight glass for damage or defects which would impair serviceability.
(3) Refer to paragraph 4-4c and check the sight glass for refrigerant leaks. Refer to paragraph 4-4d and
repair any leaks found.
b. Replace. Replace the sight glass if evidence is found of defects or damage which would impair serviceability.
Refer to paragraphs c and d for removal of defective sight glass and the installation of a new sight glass.
c.
Removal. (See figure 4-17.)
d. Installation.
(1) Refer to figure 4-2 and release refrigerant from the system.
(2) Refer to figure 4-17 and install a new sight glass.
(3) Perform any further maintenance of refrigeration components required.
(4) If no further maintenance of refrigeration components is required, refer to paragraph 4-8 and purge the
refrigerant system.
(5) Refer to paragraph 4-4c and check the sight glass and the dehydrator for refrigerant leaks. Refer to
paragraph 4-4d and repair any leaks found.
(6) Refer to figure 4-4 and evacuate the refrigerant system.
(7) Refer to paragraph 4-10 and charge the system with refrigerant.
4-20.
EVAPORATOR COIL.
a. Test.
(1) Turn the selector switch to the "OFF" position and disconnect the air conditioner from the electrical power
source.
(2) Refer to paragraph 4-4 and check the evaporator coil for refrigerant leaks.
b. Repair. Refer to paragraph 4-4d and repair any leaks found.
c.  Replace. Replace the evaporator coil if unrepairable or if defects or damage would impair serviceability.
Refer to paragraph d and e for removal of defective evaporator coil and the installation of a new evaporator coil.
4-37

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