Preventive Maintenance Comet Executive Gas
4-12
1. Turn power OFF at the main disconnect
switch.
2. Remove the sail switch cover.
3. Remove the two screws holding the sail
switch in position and gently pull it out
from the exhaust blower. Be careful not
to disconnect any wires.
4. Remove lint and other dirt with a clean
cloth or, if necessary, compressed air.
5. Inspect the inside of the blower housing
with the help of a light to observe any lint
buildup between the blower wheel blades.
6. Remove the inlet elbow (Figure 4-8) from
the blower.
NOTE: Fibers left on the blower
wheel allow lint and foreign
material to accumulate more
frequently.
7. Use a vacuum to remove lint and foreign
material from the blower. Make sure the
blower wheel is free to turn without exces-
sive binding.
8. Position the inlet elbow on the blower.
9. Reinstall the sail switch and the cover.
Figure 4-8: The inlet elbow must be removed to
access the exhaust blower wheel.
Check Ribbon Condition and
Tension
High temperature synthetic material is used
for the feed and return ribbons.
NOTE: Ribbons that break
should be replaced immediately.
Return ribbons move and hold the
linen in proper contact with the
heated cylinder, ensuring quality
atwork nish.
Perform only when the unit is
RUNNING and COOL.
Use Extreme Caution.
WARNING
Never touch any part of the
unit while it is moving.
Serious Injury Could Result.
1. Turn power ON at the main disconnect
switch.
2. Press the green START button.
3. Check all ribbons for proper placement,
tracking, tension (no visual sagging), and
general condition (smoothness, scorching,
fraying, and tears).
4. For more information on adjusting and re-
placing various ribbons, refer to REPAIR
and the appropriate section.
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