Graco 204490 Marine Sanitation System User Manual


 
Operation
306556S 11
Removing a Drum
1. Relive pressure, see Pressure Relief Procedure,
page 5.
2. Press in and hold the air-assist valve (47) until the
inductor plate rises above the drum. Release the
valve. (F
IG. 9)
3. Open the snap-over valve (27) and raise the eleva-
tor to full height. (F
IG. 9)
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 the floor.