Troubleshooting - Graco SaniForce 24V310 Instructions - Parts Manual

Troubleshooting

Troubleshooting
Troubleshooting Troubleshooting
1. Follow Pressure Relief Procedure, page
2. Check all possible remedies in the
Troubleshooting Chart and in your pump
manual Troubleshooting Chart before
disassembling the elevator riser or the pump.
Problem Problem Problem
Elevator will not raise or lower.
Elevator lowers too fast or too slow.
Elevator raises too fast or too slow.
Elevator slowly lowers when in
neutral.
Pump air regulator automatically
relieves pressure below desired
target for a 2:1 or 6:1 pump
Elevator movement is not smooth.
18
14.
Cause Cause Cause
Closed air valve or clogged air line.
Not enough elevator regulator
pressure.
Worn or damaged piston.
Travel rate is not properly adjusted.
Too much or not enough elevator
regulator pressure.
Worn or damaged leather cup
packing.
Air leak in control box.
The relief valve is set to 80 psi to
accommodate the 5:1 pump.
Leather cup packing needs
lubrication.
Solution Solution Solution
Open, clear
Increase.
Replace.
Reset. See Start and Adjust the
Elevator, page 15.
Adjust as needed.
Replace.
Check all tube connections.
For 2:1 or 6:1 pumps, adjust the
relief valve on the back of the pump
air regulator. Do Do not Do not exceed not exceed the exceed
pump's maximum maximum pressure. pressure.
pump's pump's maximum pressure.
Lubricate. See
Lubricate the Packing, page
333406D
the the
20.