TM 5-4520-253-13
R E M O V E / l N S T A L L V E N T I L A T I N G A I R M O T O R
TOOLS: Tool kit, service, refrigeration unit
NSN 5180-00-596-1474
GENERAL SAFETY INSTRUCTIONS:
Power off.
Heater cool.
REMOVAL:
1.
2.
3.
Death or serious injury could occur if precautions are not
taken when maintaining this equipment. Position HEATER-
OFF-FAN switch to OFF, remove power cable plug from
POWER RECEPTACLE, and ground capacitors C1 and C2
prior to gaining access to heater compartments. Terminals
of capacitors are accessible at end cover of combustion
blower. Always have another person standing by who is
trained in electric shock first aid.
Allow sufficient time for heater to cool to room tempera-
ture before gaining access to heater compartments.
Remove six screws (1) and lock washers
(2) and lift off bottom cover (3).
Reach through heater case opening (4)
and disconnect louver linkages from
louvers.
Remove right-hand and left-hand louver
panels (5 and 6) by unlocking eight studs
(7).
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