Maintenance & Repair - Liquiflo MAX Series Installation, Operation And Maintenance Manual

Liquiflo Installation, Operation & Maintenance Manual
5. Maintenance & Repair
The pump has internal bearings, wear plates, gears, shafts and a mechanical seal that require replacement
over time due to wear. Standard repair kits are available to facilitate repair of the pump. Repair kits
contain all internal wear parts as well as O-rings, retaining rings, keys, bearing lock pins and housing
alignment pins. O-rings and retaining rings should never be reused when rebuilding the pump.
5.1 Work Safety
Before performing maintenance, review the Safety Precautions given on Page 4 and pay special
attention to the cautionary statements given in the following sub-sections.
5.2 Removal from System
CAUTION! If the pump was used to move hazardous or toxic fluids, it must
be flushed and decontaminated prior to removal from the system piping.
Refer to the Material Safety Data Sheet (MSDS) for the liquid and follow all
prescribed safety precautions and disposal procedures.
1 Flush the pump.
2 Stop the motor and lock out the electrical panel.
CAUTION! Be certain the pump's motor switch is in the OFF position and
the power to the motor is locked out.
3 Close the suction and discharge isolation valves.
4 Disconnect the pump from the system piping.
5 Remove any residual liquid remaining in the pump.
Max
Models M2 thru M8
7
®
Series Sealed Pumps