TM
9-4120-401-14
5 - 2 8 . LOW PRESSURE SWITCH (S7). - continued
c. Replace.
(1) Remove refrigerant desiccant dehydrator. (See paragraph 5-22.)
(2) Purge refrigerant system. (See paragraph 5-13.)
(3) Remove two screws (2). Carefully pull pressure switch (1) out of unit to access terminals.
(4) Remove terminal cover. Tag and disconnect wire leads.
(5) Debraze capillary line connection (3) from tee. Remove pressure switch (1). (See paragraph 5-14.)
(6) Braze new pressure switch (1) line connection (3) to tee. (See paragraph 5-14.)
(7) Connect wire leads using tags and wiring diagram (figure 4-6) and attach terminal cover. Remove tags.
Be careful not to kink capillary line.
(8) Carefully position pressure switch (1) into unit and aline mounting holes. Secure with two screws (2).
(9) Install new refrigerant desiccant dehydrator. (See paragraph 5-22.)
NOTE
FOLLOW-ON MAINTENANCE:
Install top panels (para 4-11).
