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CLEANING SHAPING
AIR HOLES
In order to maintain uniform pattern control, the
shaping air holes of the inner ring and the shaping
air cap must be clean and free of any blockage.
It is best to leave the shaping air supply ON
during normal production break cleaning periods.
Shaping air can be reduced to 70 slpm during
this time. This will help material from entering
the passage ways.
Periodically (weekly or sooner) the outer shaping
air cap and the inner shaping air ring should be
removed and thoroughly cleaned. Use of an
ultrasonic cleaner would make cleaning of hole
diameters easier. Inspect all holes for blockage.
Blow holes clear with compressed air after some
time of soaking in solvent. DO NOT use any
type of pick to clear the holes. Damage may
result to parts and could affect performance of
the equipment. If holes are damaged (oversized
holes, blockage, gouges) it must be replaced.
Inspect Bell Cup Daily
Check for signs of damage such as nicks, heavy
scratches, dents, or excessive wear. Replace the
cup assembly with any of these conditions.
LN-9282-14
Aerobell 268 - Maintenance
Resistor Assembly
(Resistance Verification)
Using a yokogama megohm meter or equivalent.
Set the meter to the 1000V scale. Touch one lead
to the flat exposed end of the resistor and the
other lead to the contact spring on the resistor.
The reading must be between 54-66 megohm.
Replace resistor assembly if required.
43
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