TM 10-6640-215-13
4-28. REMOVE/INSTALL ENVIRONMENTAL CONTROL UNIT 18,000 BTU - continued.
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.
f.
Carefully maneuver ECU onto pallet or flat-bed light truck.
g.
Remove twelve turn lock fasteners, two ducting brackets and retain for reuse.
CAUTION
Hole in laboratory body must be covered to prevent dirt, dust or moisture from entering laboratory,
unless replacement is to be immediately installed.
INSTALLATION
Install ECU. See figure 4-17.
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.
a.
Install twelve turn lock fasteners and two ducting brackets.
b.
Carefully maneuver new ECU onto the ECU mounting bracket.
c.
Insert upper isolation mounts and slide ECU into place.
d.
Install four isolation mounting bolts and washers.
e.
Connect drain line and secure with tie-down.
f.
Connect flexible duct between ECU and semi-trailer van. Tighten two clamps.
g.
Connect the two ECU input power cables.
h.
Close appropriate circuit breaker and verify proper operation.
4-64
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