Carrier PrimeLINE 69NT40-561, Inspection Manual

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Figure 14 Electrical Control Box
6. Examine condenser motor and fan blade:
a. Check for cracking or wear on the fan blade. Replace as
necessary.
b. Check for proper fan positioning in the venturi, refer to the
operation & service manual for proper positioning instruc-
tions. Locating operation & service manuals is explained in the
Purpose section.
c. Slowly spin the condenser fan blade, feeling for any bearing
drag. Replace bearings as necessary.
d. Examine fan motor for corrosion, signs of overheating, or
physical damage. Repair or replace as necessary.
e. Check the CF mounting bracket for cracking where welded to
the bulkhead.
7. Examine condenser coil:
a. Check for any signs of leaks. Repair or replace as necessary.
b. Straighten any fin damage.
c. Clean the coil using a low pressure water hose. For a flat coil
(Refer to Figure 15 ) the preferred wash direction is top down,
for a C coil (Refer to Figure 16 ) inside to outside. In both
cases, direction is opposite to air flow direction.
d. Check for signs of excessive corrosion to the fins and tube
sheets. Replace as necessary.