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Inspect. - TM-5-4120-347-140109
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TM-5-4120-347-14 Air Conditioner Horizontal Compact 9 000 BTU/HR 208 Volt 3 Phase 60 Hertz Manual
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Inspection of installed items.
TM5-4120-347-14
(2) Cut the plastic tie down straps to free the cable.
(3) Carefully lift the motor, and mounting plate fan up and out of the unit.
(4) Loosen the set screw in the fan and slip the fan from the motor shaft.
(5) Loosen the set screw in the collar and slip the collar from the motor shaft.
(6) If the motor is to be repaired or replaced remove it from the base.
(7) Refer motor repairs to direct support maintenance.
e. Installation. See figure 4-35.
(1) Insert bushings into the four motor mounting holes and attach motor to base with eight flat washers
and four each lock washers and cap screws.
Do not hammer fan on or off motor shaft; motor bearings would be damaged. Dress out roughness
with a fine file, stone, or abrasive cloth. Apply a coating of light machine oil to case assembly.
(2) Slip the collar on the motor shaft and tighten the set screw.
(3) Slip the fan on the motor shaft and tighten the set screws.
(4) Carefully place the fan and motor assembly down into the unit and align the holes in the motor
nounting plate with those in the unit.
(5) Install the four cap screws and washers in the motor mounting base but do not tighten them all the
way.
(6) Spin the fan by hand and check to be sure there is equal clearance between the inlet ring and the tips
of the fan blade. Adjust the base as necessary.
(7) Tighten the cap screws in the motor mounting base,
(8) Connect the P5 motor connector plug and secure the cable to existing harnesses with new plastic tie
own straps or lacing cord.
(9) Install the top rear cover.
(10) Connect power at the power source.
The evaporator coil is located in the upper front section of the air conditioner.
a. Access.
Disconnect input power from the air conditioner before performing maintenance on any part of the
electrical system. The voltages used can be lethal.
4-74

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