TM 5-4520-253-13
l N S P E C T / R E M O V E / l N S T A L L D A T A P L A T E S
TOOLS: Tool kit, service, refrigeration unit
NSN 5180-00-596-1474
Solder gun kit
NSN 3439-00-930-1638
MATERIALS/PARTS: Solder (Item 12, Appendix E)
Butt connector (4)
Tubular brass rivet, brazier head (8)
Pop rivet (4)
GENERAL SAFETY INSTRUCTIONS:
Power off.
Heater cool.
INSPECTION:
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 Cl and C2
prior to gaining access to heater compartments. Terminals
of capacitors are accessible at end cover of combustion
blower. Always disconnect power cable before making con-
tinuity tests or before repairing heater. 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.
1. Check identification plate (1), name plate (2), wiring diagram plate (3), and sequence of oper-
ation plate (4) for legibility. If data plate (2, 3, or 4) is scratched, worn, or otherwise damaged
causing all or part of it to be unreadable, replace plate. Identification plate (1) is not
replaceable,
2. Check identification plate (1), wiring diagram plate (3), and sequence of operation plate (4) for
loose or broken rivets. Tighten or replace rivets as needed,
3-80
