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TM 10-4130-239-14
5-30.
HEAT EXCHANGER REPLACEMENT (CONT)
1.
Turn water chiller on its side.
2.
Remove 16 bottom plate mounting screws.
Remove bottom plate.
Clean threads in skid base with tap.
3.
Break up foam insulation to gain access to heat exchanger.
WARNINGS
Polyurethane foam is flammable.
Burning foam
causes toxic fumes.
When soldering, be very
careful not to ignite foam.
Gas fumes are explosive.
Flush fuel lines prior
to applying heat to brazing.
4.
Debraze heat exchanger from tubing (para 5-5).
1.
Braze heat
2.
Leak check
3.
Spray mold
exchanger to tubing (para 5-5).
heat exchanger (para 5-23).
release in open area.
5-73
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