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discharge the refrigerant system. Remove housing
rear top covers (para 4-21). Remove loop clamps
from charging valves from line.
b. Installation. Install charging valves on line
and solder. Install loop clamps. Refer to paragraph
4-21 and install housing rear top cover. Refer to
paragraph 6-3 and charge the refrigerant system.
5-23. Pressure Relief Valve
a. Removal. Refer to paragraph 6-3 and
discharge the refrigerant system. Refer to
paragraph 4-21 and remove housing top covers.
Remove screw, lock washer, and loop clamp (fig. 5-
7). Remove pressure relief valve from adapter.
b. Installation. Install pressure relief valve (fig.
5-7) in adapter. Install loop clamp on valve and
secure clamp with screw and lock washer. Install
housing top covers (para 4-21). Refer to paragraph
6-3 and charge the refrigerant system.
5-24. Dehydrator
a. General. The dehydrator is to be replaced
whenever the refrigeration system is opened for
maintenance.
b. Removal. Refer to paragraph 6-3 and
discharge the refrigerant system. Refer to
paragraph 4-21 and remove housing rear top cover.
Refer to figure 5-8 and remove four screws and two
straps. Disconnect and remove dehydrator.
c. Installation. Connect dehydrator to tubing.
Install two straps and four screws, using sealing
compound on screw threads. Install rear top cover
(para 4-21). Refer to paragraph 6-3 and charge the
refrigerant system.
Figure 5-8. Dehydrator, receiver and solenoid valves.
5-12
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