Troubleshooting - Graco SoloTech i6 Repair And Parts Manual

Troubleshooting

Troubleshooting
Troubleshooting Troubleshooting
NOTE: NOTE: NOTE:
• Follow the Pressure Relief Procedure, page
• Check all possible remedies before disassembling the pump.
See the Operation Manual (334859) for troubleshooting or error information on the Graco Motor Control.
Problem Problem Problem
Hammering in piping.
High pump temperature.
High outlet pressure.
8
10.
Cause Cause Cause
Inlet or outlet pipe diameter is too
small.
Pump speed is too high.
Inlet or outlet connections are not
properly anchored.
Inlet or outlet pressures are too
high.
Lubricant level is low.
Improper lubricant is being used.
Pumped fluid temperature is too
high.
Pump speed is too high or the
pump is undersized.
Outlet line is blocked.
Pipe diameter is narrowed due to
settled solids.
Viscosity or specific gravity of
pumped fluid is too high.
Solution Solution Solution
Increase the pipe size or add
pulsation dampeners.
Reduce the speed of the pump.
Secure the piping.
Add pulsation dampeners.
Add hose lubricant to the proper
level.
Use only genuine Graco glycerin
hose lubricant for low temperature
operation.
Consult your Graco distributor for
maximum temperature limits of
your pump and hose material.
Reduce the pump speed or switch
to a larger pump.
Clear any obstructions in the outlet
line.
Flush/remove as required.
Consult your Graco distributor for
suitable operating conditions for
your pump.
3A3367L