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 TM 5-4120-393-14
6-4. Housing
This task covers:
a. Repair
b. Replace
Initial setup.
Tools:
Tool kit, service, refrigeration unit NSN 5180-00-596-1474
Personnel: 1
Equipment condition:
Turn unit power off at power source. If there is a chance that it will be turned on, also disconnect power cable to
air conditioner.
General Safety Instructions:
WARNING
Disconnect input power to the air conditioner before performing any internal
maintenance. Voltages used can KILL. Shutting the unit off at the control panel
does not disconnect unit power.
REPAIR
1.
Repairs are limited to rework of broken or cracked welds, straightening of bent or dented sheet metal, and
replacement of handles, gaskets, insulation, and rivnuts and some small sheet metal parts by drilling out rivets and
installation of replacement parts.
2.
Disassemble unit as necessary and make repairs as indicated.
3.
Gasket and insulation replacement.
a.
Use only gaskets, insulation, or name plates identified in TM 5-4120-393-24P.
b.
Remove as much old gasket or insulation material as possible by pulling or scraping it away from the metal
surface.
c.
Soften and remove old adhesive and gasket residue using acetone or methyl-ethyl (MEK) and a stiff brush.
d.
Coat the mating surfaces of the metal and gasket with adhesive. Let both surfaces air dry until the adhesive is
tacky but will not stick to fingers.
e.
Starting with an end, carefully attach the gasket to the metal. Press into firm contact all over.
f.
Minor dents and bent edges can be straightened using common sheet metal repair procedures.
g.
Should touch up or refinishing be necessary, see TM 43-0139.
6-3
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