Graco SaniForce SDU Series, Instructions - Parts Manual

Page: 15 / 30

Operation
3A0591ZAG 15
Changing Drums
1. Stop the pump. Close the air motor valve (BF).
2. Set the inflatable seal valve (BJ) to deflate.
3. Set the director valve (BC) to UP to raise the ram
plate.
4. Raise the ram plate until it is completely out of drum.
5. If needed, use air assist (BG) to help lift the ram
plate.
6. Remove the empty drum.
7. Inspect the ram plate and, if necessary, remove any
remaining material or buildup.
8. Place a full drum on ram base.
9. Lower the ram, and adjust the position of the drum
relative to the ram plate, as explained under Setting
Inflatable Seal Pressure on page 12.
Shutdown
1. Set the director valve (BC) to neutral.
2. Follow Pressure Relief Procedure , page 12.
3. Follow the pump shutdown instructions in your
separate pump manual.
Moving parts can pinch, cut, or amputate fingers and
other body parts. Keep your hands and fingers away
from the priming piston, ram plate, and lip of drum
during operation and whenever the pump or ram is
charged with air.
Excessive air pressure in the material drum could
cause the drum to rupture, causing serious injury
and equipment damage. The platen must be free to
move out of the drum.
• Never use drum blowoff air assist with a
damaged drum.
• Always deflate the seal prior to lifting ram plate or
engaging air assist.