Preventive Maintenance Comet Executive Gas
4-6
4.2 Weekly PM (50 Hours)
WARNING
Do not repair or correct any
of these conditions without
reading and understanding
the Repair chapter.
Only qualied personnel
should troubleshoot and
repair this unit.
Make sure the unit is
completely cooled down and
power is turned OFF at the
main disconnect switch.
Follow lockout/tagout
procedures approved for
your site. Follow local
regulations. Failure to do so
could result in serious injury.
Clean Behind Service Panels
Required Tools
Allen wrench: 5/32”
Clean cloth
Vacuum cleaner
Perform only when the unit is OFF
with power disconnected and COOL.
CAUTION
Never use compressed air
on or around electronic
components. Damage
can result.
1. Turn power OFF at the main disconnect
switch.
2. Open and clean the inside and outside
surfaces of both endframe doors.
3. Remove and clean the rear protective
backplate. This piece should be handled
by two maintenance personnel.
4. Clean any lint and wax vapor buildup
inside the unit.
5. Clean the top and bottom surface of the
feed table and the inside surface of the
exhaust canopy.
6. Replace and secure the protective
backplate.
7. Close and secure both endframe doors.
WARNING
Never operate the unit unless
all safety covers are in place
and all safety equipment is
working correctly.
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