TM 9-4120-378-14
4.35 HEATER ELEMENTS -INSPECT/TEST/REPLACE. This task covers inspect, test, remove and install.
INITIAL SETUP
Test Equipment:
Materials/Parts:
Toluolene (Item 27, Appendix E)
Adhesive (Item 18, Appendix E)
Insulation (Item 25, Appendix E)
Equipment Conditions:
Top covers removed (paragraph 4.17)
Junction box pulled half way out of unit (paragraph 4.25)
Control module removed (paragraph 4.24)
Remarks
Action
Location/Item
Allow heating elements to cool for 15
minutes before touching.
Disconnect air conditioner power supply
before doing maintenance work on the
electrical system.
Heater
EIements and
EIectrical
Wiring
Inspect for damage to elements or leads.
a.
Inspection
Check heater element for continuity.
b.
Replace damaged leads and bad elements.
c.
Heater Support
Bracket
Inspect for warping or cracking.
a.
Inspection
Replace as necessary.
b.
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