17
5. Bend a soft, spiral wound, long bristle brush to
conform to the inner curve of the blower wheel
blades. See Figure 31.
6. Insert the brush into every blower wheel blade
and gently brush out dried material.
7. Clean the walls of the blower scroll by carefully
brushing with the bristle brush. Vacuum loose
debris that may have fallen into the bottom of the
scroll during the cleaning process.
8. Use the spray bottle to spray the blower wheel
blades and the inner surface of the blower scroll
with a 3% solution of hydrogen peroxide to kill
any fungus spores. Wipe up excess solution in the
bottom of the blower scroll with a clean cloth. See
Figure 32.
9. Clean the inside of the wall sleeve and rear grille
by washing or vacuuming. Test wall sleeve drain
holes and accessory drains (if used) for proper
drainage. Pour water (approximately 2 quarts)
into the sleeve. Water should drain freely.
■
REASSEMBLE UNIT
1. Reassemble components by reversing disassembly
procedures described on page 15.
2. Reinstall unit into sleeve.
3. Turn on all power to the unit.
FIGURE 31 — CLEANING INDOOR FAN
AND FAN SCROLL
FIGURE 32 — SPRAYING BLOWER WHEEL BLADES
Summary of Contents for 52SC
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