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Removing a Drum
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 6.
1. Relieve the Pressure.
2. Press in and hold the air-assist valve (47) until the
inductor plate rises above the drum. Release the
valve.
Problem
Low flow or air sucked into pump
or under inductor plate
Failure of snap-valve or air-assist
valve
Operation
3. Open the snap-over valve (27) and raise the
NOTE: If you lose air pressure when reaching the
drum chime, continue holding the air-assist valve and
slowly pull out the snap-over valve until the chime is
passed. Then, immediately close the snap-over valve
to prevent raising the drum off of the floor.
Troubleshooting
Cause
Open inductor plate vent
Loose inductor plate sleeve locking
nut
Worn inductor seals
Worn o-rings or seals
elevator to full height.
Solution
Close the inductor plate.
Tighten the locking nut.
Replace seals; see the Parts Drawing
on page 16.
Remove valve, place in vise, disas-
semble, and replace parts as needed.
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