Comet Executive Gas Preventive Maintenance
4-7
Check Ironing Cylinder
Perform only when the unit is OFF
with power disconnected and COOL.
Performance of the unit depends on the
condition of the ironing cylinder.
1. Turn power OFF at the main disconnect
switch.
2. Inspect the cylinder by carefully looking
under the feed ribbons at the front of the
unit.
3. Check for buildup of chemicals or debris
which discolor the cylinder.
4. For information on restoring the fine
polished nish of the cylinder, refer to
Ironing Cylinder Reconditioning on
page 7-24.
Check and Clean Inverter
Check and clean the inverter and its cooling
ns weekly with a vacuum cleaner. Failure to do
so may void your warranty.
Required Tools
Vacuum cleaner
Perform only when the unit is OFF
with power disconnected and COOL.
1. Turn power OFF at the main disconnect
switch.
2. Open the right endframe door and locate
the main drive motor inverter (Figure 4-2).
CAUTION
Failure to clean the inverter
and its cooling ns could
void the warranty.
Never use compressed air
on or around electronic
components. Doing so may
damage them.
3. Check and clean the inverter and its cool-
ing ns with a vacuum cleaner.
4. Make sure the dust covers are in place on
both sides of the inverter.
5. Close and secure the right endframe door.
WARNING
Never operate the unit unless
all safety covers are in place
and all safety equipment is
working correctly.
Figure 4-2: Check and clean the inverter and its
cooling ns weekly.
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