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TM 5-4120-259-15
CHAPTER 2
INSTALLATION AND OPERATING INSTRUCTIONS
Section I. SERVICE UPON
6. Unloading the Equipment
The crated air conditioner may be unloaded
and moved by any means, provided the unit
weight is supported by the base platform.
7. Unpacking the Equipment
Caution: So that the unit is protected, it
should be left crated until moved to the loca-
tion where it is to be installed.
a. General. To uncrate the unit, remove the
nails from the top panel and lift off the top.
Remove sides in a similar manner. The unit is
then neady for inspection.
b. Depreservation. Prepare the air condi-
tioner for inspection and operation as outlined
on DA Form 2258, (Depreservation Guide for
Vehicles and Equipment) attached to the
equipment.
8. Inspecting and Servicing Equipment
a. Inspect the entire air conditioning unit,
including motors, fans, controls, etc., to be
certain that all parts have been received and
without damage. Report any deficiencies to the
proper maintenance echelon.
Caution: Do not remove tags from equip-
ment until the instructions have been followed.
Failure to follow these instructions can result
in serious damage to the equipment.
b. Test the joints in the refrigerant circuit
for leaks as described in paragraph 93.
9. Installation Instructions
a. The unit may be supported by, or sus-
pended from, any convenient part of the van or
RECEIPT OF EQUIPMENT
trailer capable of withstanding a concentrated
load of approximately 550 pounds.
b. If the unit is to be mounted near a wall
or partition, allow clearance to permit removal
of panels.
c. Follow the base plan in figure 6 in se-
lecting a suitable location or in constructing an
installation
base.
Lift
unit
by
lifting
rings
(fig. 1).
d. Connect a 1/2 inch pipe to the drain
connections on the bottm right side of the
unit to remove condensate water. Extend
piping or hose to deposit water in a suitable
location or container.
e. Be sure the main rotary switch on the
control box is in the OFF position, and con-
nect a 208 volt, 60 cycle, 3 phase power source
to the main power connector at the lower right
front corner of the unit.
Warning: The air conditioner must be
grounded prior to operation. Connect one end
of a number 6AWG (American Wire Gage)
copper wire ground lead to an underground
metallic water piping system or a driven metal
ground rod or buried metal ground plate.
Connect the other end of the ground lead to
the grounding bolt on the unit.
f. The new unit should not require serv-
icing, as, it is shipped completely assembled
and ready to operate when power is applied.
However, if any defects have been found
during the inspection of the equipment they
should be corrected as necessary before the
unit is placed into operation.
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