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SERVICE
When servicing unit, shut off all electrical power to the
unit to avoid shock hazard or injury from rotating parts.
Cleaning — Inspect unit interior at the beginning of each
cooling season and as operating conditions require.
CONDENSER COIL — Inspect coil monthly. Clean con-
denser coil annually and as required by location or outdoor-
air conditions.
Clean coil as follows:
1. Turn off unit power.
2. Remove and save top panel screws on condensing unit.
3. Remove condenser coil corner post. See Fig. 10. To hold
top panel open, place coil corner post between top panel
and side panel. See Fig. 11.
4. Remove bracket holding coil sections together at return
end of condenser coil. Carefully separate the outer coil
section 3 to 4 in. (75 to 100 mm) from the inner coil sec-
tion. See Fig. 12.
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. Reposition the outer coil section, and secure the coil sec-
tions together by reinstalling the brackets removed in
Step 4.
7. Remove the coil corner post from between the top panel
and side panel.
8. Install the coil corner post and replace all screws re-
moved in Step 2.
Lubrication
COMPRESSORS — Each compressor is charged with cor-
rect amount of oil at the factory. For additional information
on 38AKS units, refer to the Oil Charge section on page 10.
FAN MOTOR BEARINGS — Fan motor bearings are of
the permanently-lubricated type. No further lubrication is
required.
Condenser-Fan Adjustment (Fig. 13)
1. Shut off unit power supply.
2. Remove condenser-fan assembly (grille, motor, motor cover,
and fan).
3. Loosen fan hub setscrews.
Fig. 11 — Propping Up Top Panel
Fig. 12 – Separating Coil Sections
NOTE: Fan height adjustments are as follows:
UNIT in. mm
38AK007 (60 Hz)
All 50-Hz Units
4.50 114
All 60-Hz Units
(Except 38AK007)
6.42 163
Fig. 13 — Condenser-Fan Adjustment
Fig. 10 — Cleaning Condenser Coil
11