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Page Title:
HEATER CUTOUT SWITCHES UNIT MAINTENANCE |
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 TM 9-4120-425-14&P
HEATER CUTOUT SWITCHES UNIT MAINTENANCE
THIS WORK PACKAGE COVERS:
Inspection, Removal, Test and Installation
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
Tool Kit, General Mechanics (Item 1, WP 0118-00)
Materials/Parts
150-watt lamp bulb or heat gun
Test Equipment
References
Schematic Diagram, WP 0122-00
Equipment Condition
Air conditioner shut down and cool.
Power disconnected from unit.
Top covers removed (WP 0019-00).
WARNING
Disconnect air conditioner power supply.
WARNING
Allow heating elements to cool for 15 minutes before touching.
INSPECTION
Inspect for wiring damage.
REMOVAL
1.
Take out two screws (1) and two washers (2) to remove the high voltage heater cutout switch S3 (3) from switch
bracket (4).
2.
Take out two screws (5) and two washers (6) and remove the low voltage heater cutout switch S6 (7) from switch
bracket (4).
3.
Tag wire leads.
0027-00-1
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