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Structural Maintenance
UNIT INSPECTION
Inspect the unit during the pre-trip inspection and during
scheduled maintenance inspections for loose or broken
wires or hardware, compressor oil leaks, or other physical
damage which might affect the unit performance and
require the repair or replacement of parts.
EVAPORATOR COIL
Clean the evaporator coil during scheduled maintenance
inspection by blowing compressed air down through the
coil out into the box (direction opposite the normal air
flow). Inspect the coil and fins for damage and repair if
necessary (requires removing the evaporator fan and front
cover).
CAUTION: Air pressure should not be high enough
to damage the coil fins.
CONDENSER COIL
Clean the condenser coil during scheduled maintenance
inspections by blowing compressed air from the back side
of the coil out toward the front of the unit (the direction
opposite normal air flow). Inspect the coil and fins for dam-
age and repair if necessary.
CONDENSER FAN LOCATION
Mount the condenser fan so the hub is flush with the end of
the shaft.
UNIT MOUNTING BOLTS
Periodically check and torque the unit mounting bolts to 60
ft-lb (81 N•m).
Roofmount Unit
Nosemount Unit
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