TM 10-6640-216-13&P
4-26. REMOVE/INSTALL CONTROL UNIT 9,000 BTU - continued.
k.
l.
m.
Lift and slide out defective ECU until all lifting handles are free.
Remove weather stripping.
WARNING
Serious injury to personnel or damage to equipment may occur unless
two or more personnel are used to remove air conditioner because of
weight and balance of the ECU.
Carefully maneuver ECU onto pallet or flat-bed light truck. Remove upper isolation
mounts.
CAUTION
Hole in laboratory body must be covered to prevent dirt, dust or
moisture from entering laboratory body, unless replacement is to he
immediately installed.
INSTALLATION
Install ECU. See figure 4-18.
WARNING
Dry cleaning solvent P-D-680 (safety or Stoddard's Solvent) is
potentially dangerous. Avoid repeatd and prolonged breathing of
vapors and skin contact with the liquid. Do not use near open flame,
arching equipment or other ignition sources. Always wear eye
protection and protective clothing. The flash point of P-D-680 is 100”
to 138°F (30° to 59°C).
a.
Clean sealant from the laboratory body opening using solvent, Item 40, Appendix E.
WARNING
Serious injury to personnel or damage to equipment may occur unless
two or more personnel are used to remove air conditioner because of
weight and balance of the ECU.
b.
Cut sufficient weatherstripping from bulk material to replace old weatherstripping and
install weatherstripping in laboratory opening.
c.
Carefully maneuver new ECU onto the ECU mounting bracket.
d.
Insert upper isolation mounts and slide ECU into place.
e.
Install four lower isolation mounts, washers, and isolation mounting bolts.
f.
Replace any deteriorated or damaged gaskets and install weather shield.
4-67
