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TM 9-4120-389-14
(1) Discharge the refrigeration system per para. 5-3.
(2) Disconnect two flare nuts.
(3) Loosen nut and washer that secures clamp to bracket.
(4) Pivot dehydrator and clamp to gain access to clamp hardware.
(5) Remove nut, screw and lockwasher that secure clamp and dehydrator. Remove dehydrator.
(6) If bracket needs to be replaced on serial number 1 thru 989, remove two screws, flat washers
and locknuts. Remove two screws, two lock washers and two flat washers on serial numbers 990 thru 1335.
c. Installation
CAUTION
Replacement dehydrators are packaged with sealing caps on the flare fittings to prevent moisture
contamination of the desiccant filtering media. Remove these caps immediately prior to installation. Never
install a dehydrator from which caps have been removed for an extended or unknown period of time.
(1) If bracket was replaced secure with two screws, flat washers and locknuts,
(2) Install dehydrator in clamp.
(3) Pivot dehydrator and clamp into position.
(4) Secure two flare nuts to dehydrator.
(5) Secure clamp to dehydrator with screw, lockwasher and nut.
(6) Secure clamp to bracket with nut, screw and flat washer.
(7) Leak test all newly connected joints and those in the repair area (See para. 5-6).
(8) Evacuate the refrigeration system (See para. 5-7).
(9) Charge the refrigeration system (See para. 5-8).
Follow-on procedure: Install top cover (See para. 4-14).
5-27
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