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(3) Using wrench, loosen
(discharge) service valve line.
TM5-4120-377-14
and disconnect pressure switch capillary tubing flare nut from high pressure
(4)
(5)
(6)
Carefully pull switch from box far enough to gain access to terminals. Remove protective clip-on cap.
Tag and disconnect wire leads from pressure switch.
Remove pressure switch and capillary with flare nut from unit.
c. Installation
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Insert capillary with flare nut through hole in back of casing bulkhead.
See tags and wiring diagram (fig. 4-20) and connect wire leads.
Remove tags and install protective clip-on cap.
Using screwdriver, secure pressure switch to box with two screws and lock washers.
Using wrench, connect flare nut to high pressure (discharge) service valve line.
Carefully coil excess capillary tubing and tape in place to eliminate vibration.
Replace the dehydrator. (See para 5-13.)
Leak test all newly connected joints and those in the repaired area. (See para 5-9.)
(9) Evacuate and
Follow-on procedures:
charge the refrigerant system. (See para 5-10 and 5-11.)
1. Install rear panel, (See para 4-32.)
2. Press and release pressure switch reset buttons to be sure they are not tripped.
5-27
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