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B. Outdoor Coils
Inspect coils monthly. Clean condenser coils annually, and as
required by location and outdoor-air conditions.
Clean 2-row coils as follows:
1. Turn off unit power and tag disconnect.
2. Remove top panel screws on outdoor end of unit.
3. Remove outdoor coil corner post. See Fig. 39. To hold
top panel open, place coil corner post between top
panel and center post. See Fig. 40.
4. Remove device holding coil sections together at
return end of outdoor coil. Carefully separate the
outer coil section 3 to 4 in. from the inner coil section.
See Fig. 41.
5. Use a water hose or other suitable equipment to flush
down between the 2 coil sections to remove dirt and
debris. Clean the outer surfaces with a stiff brush in
the normal manner.
6. Secure the sections together. Reposition the coil sec-
tions, and remove the coil corner post from between
the top panel and center post. Install the coil corner
post and coil center post, and replace all screws.
C. Condensate Drain
Check and clean each year at start of cooling season. In win-
ter, keep drain dry or protect against freeze-up.
D. Filters
Clean or replace at start of each heating and cooling season,
or more often if operating conditions require it. Replacement
filters must be same dimensions as original filters.
E. Outdoor-Air Inlet Screen
Clean screen with steam or hot water and a mild detergent.
Do not use disposable filters in place of screens.
F. Be lts
Adjust belt tension and pulley alignment at least twice a
year or more frequently as operating conditions require.
II. LUBRICATION
A. Compressors
Each compressor is charged with correct amount of oil at the
factory.
B. Fan Motor Bearings
Fan motor bearings are permanently lubricated. No further
lubrication of outdoor- or indoor-fan motors is required.
Fig. 39 — Cleaning Outdoor Coil
Fig. 40 — Propping Up Top Panel
Fig. 41 — Separating Coil Sections