TM9-4120-400-14
S e c t i o n Ill MAINTENANCE PROCEDURES
GENERAL.
Disconnect power from the air conditioner before doing any maintenance work to the
electrical system. High voltage in air conditioner can kill.
The procedures in this section have been arranged in the order in which the items appear in the direct (F)
maintenance level column on the Maintenance Allocation Chart (MAC) which is provided in Appendix B. Step-
by-step procedures have been provided for all action authorized to be performed by direct maintenance in the
order in which they appear on the MAC. Actions authorized to be performed by organizational and general
support maintenance have been duly noted; step-by-step procedures for these actions may be found in
Chapters 4 and 6 respectively.
TOP PANELS.
This task covers:
a. Repair
b. Replacement
INITIAL SETUP
Equipment Condition
Tools
Refrigeration Unit Service Tool Kit
General Safety Instructions
Materials/Parts
Adhesive Remover
Adhesive
Adhesive remover is flammable and the vapors can be
explosive. Repeated or prolonged skin contact or
Insulation/Gasket
inhalation of vapors can be toxic. Use in a well ventilated
area, wear gloves, and keep away from sparks or flame.
NOTE
The only authorized repairs for these panels are replacement of gaskets, insulation and
information plates.
Use only gasket material, insulation material, or nameplates identified in
TM9-4120-400-24P.
REPAIR
1. Remove as much old gasket or insulation material as possible by pulling or scraping it away from the metal
surface.