Maintenance - Pioneer PT Series Operation & Maintenance Manual

WARNING!!!
If this pump is used to handle any hazardous materials that can cause illness, either directly or
indirectly, take precautions by wearing approved protective clothing and use appropriate safety
equipment.
WARNING!!!
Use lifting and moving equipment in good repair and with adequate capacity to prevent injuries
to personnel or damage to equipment. When lifting the pump with chains or cable wrapped
around the pump, make certain that they are positioned so as not to damage the pump, and so
that the load will be balanced. The bail on trailer or skid mounted units is intended for use in
lifting the pump assembly only. Suction and discharge hoses and piping must be removed from
the pump before lifting.
CAUTION!!!
When servicing this pump, use only components provided by Pioneer Pump, Inc. Any use of
non-authorized parts could result in sub-standard performance, damage to equipment and
possible injury to personnel. Non-authorized parts will also void the warranty.
When using this manual any reference to part names will is directed to the cross-section
drawing. These parts will also be called out in the bill of materials for full description.
Drain volute case of pumpage when pumping unit is idle to avoid freezing and possible thermal
cracking of pump case.
This manual also provides a troubleshooting section to diagnose many operational or
performance problems. The equipment covered in this section is limited to the pump and drive
components only. Refer to the applicable vendor's manual for motors, engines and other
accessory equipment. Use the troubleshooting section to help determine the cause of any
problems, and only disassemble the pump components required to remedy the problem
condition.
WARNING!!!
Select a clean suitable location for any required maintenance, and note that all work must be
performed by qualified personnel.
An ongoing record of performance will assist in any troubleshooting and/or analysis of
problems. A pressure gauge can be installed on the suction and discharge side of the pump to
monitor any changes in differential pressure. Differential pressure is useful in monitoring and
diagnosing any possible degradation in pump performance.
Verify the following:
1. Driver is shut down and power is locked out.
2. If pump components are hot, allow to adequately cool.
3. Suction and discharge valves are shut.
4. Drain pump after it has adequately cooled.
5. For power source maintenance refer to power source O & M manual
DISASSEMBLY
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