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 TM 5-4120-341-13
REMARKS
ACTION
LOCATION/lTEM
HOUSING INTERIOR
Remove two (2) screws at top of frame
9. Evaporator Coil
a.
securing condenser shroud to frame.
Remove screw on top of frame securing
b.
suction line clamp.
Remove eight (8) screws securing frame to
c.
base.
Remove frame from base.
d.
e.
Remove air filter.
f
Unsolder suction line approximately two (2)
inches below header and remove suction line
from evaporator coil.
Unscrew and remove flare nut between
9.
expansion valve and evaporator coil.
h.
Remove six (6) screws securing evaporator
coil to bulkhead.
i.
Remove four (4) screws from underside of
base that secure evaporator coil to base.
Remove evaporator coil.
j.
10. Evaporator Coil
a.
Check all evaporator coil tubing and sweat
fittings with a General Electric Type H-2
Halogen Test Detector (or approved equal).
b.
Calibrate the detector with a General EIectric
LS-20 leak standard (or approved equal) for a
pure refrigerant leak rate of 0.1 ounce per
year.
c.
Mark all spots where leaks are noticed.
d.
Repair leaks or replace evaporator coil.
5-32
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