TM9-4120-400-14
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ACTUATING CYLINDER. - continued
REPLACEMENT
1.
Loosen screw (1) from mechanical post (2) and slip the push-pull cable (3) wire loose,
2.
Disconnect actuator cylinder (4) from the flare nut (5) on elbow.
.
Remove two nuts (6) and lock washers (7) and slip actuator cylinder (4) out of the unit.
3.
4. Align studs on actuating cylinder (4) with holes in bulkhead and secure with two each lock washers (7) and
nuts (6).
5.
Connect swivel elbow flare nut (5) to actuating cylinder (4).
Insert control cable (3) into mechanical post (2), Do not tighten screw (1).
6.
7.
Close condenser discharge air louvers and tighten screw(1).
NOTE
FOLLOW-ON MAINTENANCE:
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HIGH PRESSURE SWITCH S4.
This task covers:
a. Inspection
b. Testing
c. Replacement
INITIAL SETUP
Equipment Condition
Tools
Refrigeration Unit Service Tool Kit
Materials/Parts
High Pressure Switch S4
Lock Washers (3)
Inspection
Inspect pressure switch (1) and capillary line for visible signs of damage, Replace if damaged.
Testing
Press reset button on the switch (1). Check for continuity between terminals 1 and 2. If there is continuity, the
switch is properly closed. If no continuity is found press and release the reset button again. If there is still no
continuity, switch must be replaced.
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