Free centrifugal pump quarterly service checklist
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A step-by-step quarterly service procedure for centrifugal pumps (water, process and slurry). Covers bearing temperature and vibration measurement, mechanical seal inspection, suction and discharge pressure recording, motor running amps, coupling alignment, bearing lubrication, baseplate inspection and operating data logging for trend analysis. Includes fluid specifications, parts list and technician sign-off. This page explains what the service involves, how to perform it, and offers a free PDF-ready form you can download straight away.
Last updated: 2026-03-26 · MapTrack
Commercial Director
How to use: Fill equipment details and pump identification, then work through each service action. Record vibration, temperature, pressure and amp readings in the notes column. Tick Done as each task is completed. Set the next service date and sign off.
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See the first part of the service procedure below. Enter your email above to download the full centrifugal pump quarterly service procedure (PDF-ready).
What is a centrifugal pump quarterly service?
A quarterly service is a scheduled condition monitoring and preventive maintenance check for centrifugal pumps (end-suction, split-case and vertical configurations). It is performed every 3 months by a qualified technician and covers operational monitoring, condition assessment and lubrication. The procedure includes measuring bearing temperature and vibration, inspecting the mechanical seal or packing gland for leakage, recording suction and discharge pressures, checking motor running amps on all 3 phases, inspecting coupling alignment, lubricating bearings with the correct grease quantity, checking for cavitation symptoms, inspecting the baseplate and foundation bolts, and logging all operating data for trend analysis. Unlike a daily operator check (which confirms the pump is running normally), the quarterly service involves instrument-based measurements that build a trend history for predictive maintenance decisions.
Benefits of scheduled pump servicing
- Early fault detection: vibration and temperature trending identifies bearing degradation, misalignment and imbalance before they cause pump failure.
- Extended seal life: regular seal inspection catches early leakage before it damages the shaft sleeve or requires emergency shutdown.
- Reduced energy costs: monitoring amps and pressures against design curves identifies efficiency losses from wear ring degradation or impeller erosion.
- Planned downtime: quarterly data provides evidence to schedule annual overhauls at the right time, avoiding both premature and overdue maintenance.
- Compliance: documented service records demonstrate that critical equipment is maintained to standard, supporting WHS and insurance obligations.
- Longer pump life: correct lubrication, alignment checks and cavitation detection extend the overall service life of the pump and motor.
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Book a demo to see digital pump service procedures and meter-based scheduling in MapTrack.
Service actions included in the quarterly procedure
This service procedure covers 12 service actions across 6 system areas:
- Bearings and vibration: check bearing temperature (contact or infrared), measure vibration velocity (mm/s at drive and non-drive end), lubricate bearings with specified grease quantity.
- Seal and leakage: inspect mechanical seal or packing gland (drip rate and leakage assessment).
- Operating parameters: record suction and discharge pressures, check motor running amps on all 3 phases, check for cavitation symptoms (noise, vibration, pressure drop).
- Alignment and coupling: inspect coupling alignment (visual or laser).
- Mechanical: inspect baseplate and foundation bolts, inspect inlet strainer or suction screen, check pipe supports and expansion joints.
- Data logging: log all operating data for trend analysis.
Fluid specifications
General fluid specifications for centrifugal pumps. Grease quantity varies by bearing size. Always refer to the manufacturer's service manual.
| System | Type / Grade | Approx. Capacity |
|---|---|---|
| Bearing grease | EP2 lithium complex | Per manufacturer spec |
| Mechanical seal flush | Clean water (if applicable) | As required |
Specifications are general guidelines. Always refer to the manufacturer's service manual for your specific pump make and model.
Parts and consumables
Have the following parts and consumables ready before starting the quarterly service:
- EP2 bearing grease - per manufacturer specification
- Seal flush water supply (if applicable)
- Rags and cleaning materials
Look up grease quantities in the manufacturer's service manual for your specific pump bearing size and type.
How to perform a centrifugal pump quarterly service
- Record the equipment details at the top of the service form: pump make/model, serial number, pump type, rated flow/head, motor rating and site location.
- With the pump running at normal operating conditions, check bearing temperature using a contact thermometer or infrared gun. Record readings at both drive end and non-drive end.
- Measure vibration velocity (mm/s) at drive end and non-drive end bearing housings. Compare to previous readings and ISO 10816-7 limits.
- Inspect the mechanical seal or packing gland. Check for visible leakage, drip rate and condition. Note if seal flush is operating correctly.
- Record suction pressure and discharge pressure from the installed gauges. Check motor running amps on all 3 phases and compare to nameplate rating.
- Listen for cavitation symptoms: abnormal noise, vibration or pressure fluctuation. Check the inlet strainer or suction screen for blockage.
- Inspect coupling alignment visually or with a laser alignment tool. Check baseplate and foundation bolts for looseness or cracking.
- Lubricate bearings with the specified quantity of EP2 grease. Do not over-grease.
- Check pipe supports and expansion joints. Log all operating data for trend analysis.
- Record any defects or recommendations in the notes section. Set the next service date and sign off.
In MapTrack, you can schedule pump services by calendar date or operating hours, get automatic reminders, complete service procedures on mobile and link every record to the pump. Book a demo to see how.
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Back to download formCentrifugal pump service interval hierarchy
Centrifugal pump maintenance follows a tiered schedule where each level includes all tasks from the level below. This is called carry-forward or cumulative servicing.
Daily/Weekly - Operator check
Visual check for leaks, abnormal noise, basic pressure readings and general condition.
Quarterly - Service (you are here)
Bearing temperature and vibration, seal inspection, pressures, amps, alignment, lubrication, data logging. Estimated 1-2 hours.
All quarterly tasks plus impeller inspection, wear ring measurement, mechanical seal replacement, shaft runout, coupling service, motor insulation test, vibration spectrum analysis, performance test and corrosion protection. Estimated 4-8 hours.
In MapTrack, you can configure service schedules by calendar date or operating hours and receive automatic alerts when each interval is due.
Frequently asked questions
- What is included in a centrifugal pump quarterly service?
- A centrifugal pump quarterly service covers 12 service actions across 6 system areas: bearing temperature check (contact thermometer or infrared), vibration measurement (velocity mm/s at drive and non-drive end), bearing lubrication (grease gun with specified quantity), mechanical seal or packing gland inspection (drip rate and leakage), suction and discharge pressure recording, motor running amps (all 3 phases), cavitation symptom check (noise, vibration, pressure drop), coupling alignment inspection (visual or laser), baseplate and foundation bolt inspection, inlet strainer or suction screen inspection, pipe support and expansion joint check, and logging all operating data for trend analysis. It takes approximately 1 to 2 hours.
- How often should a centrifugal pump be serviced?
- Centrifugal pumps follow a tiered service schedule. A quarterly service covers condition monitoring (vibration, temperature, pressures, amps), seal inspection, bearing lubrication, alignment checks and data logging. An annual service adds opening the pump casing for impeller and wear ring inspection, mechanical seal replacement, shaft runout measurement, coupling service, motor insulation resistance testing, full vibration spectrum analysis, performance testing against the design curve, and corrosion protection. Daily or weekly operator checks should monitor for leaks, abnormal noise and basic pressure readings.
- What vibration levels are acceptable for centrifugal pumps?
- ISO 10816-7 provides vibration severity guidelines for rotodynamic pumps. For most centrifugal pumps, bearing housing vibration velocity below 4.5 mm/s RMS is considered acceptable for normal operation. Between 4.5 and 7.1 mm/s is permissible for short-term operation but warrants investigation. Above 7.1 mm/s requires immediate attention. Always compare readings to the pump manufacturer's specific limits and your own baseline trend data, as acceptable levels vary by pump type, size and mounting.
- Is the template free to use without MapTrack?
- Yes. Download and use the centrifugal pump quarterly service procedure for free. Open the file and use your browser's Print, then Save as PDF. No MapTrack account required. If you later want digital service procedures linked to each pump with scheduling, alerts and trend tracking, we would be happy to show you MapTrack.
Need digital pump service procedures with condition trending?
Register every centrifugal pump in MapTrack. Set up quarterly and annual service schedules, record vibration and temperature data on mobile, track trends over time, and get automatic alerts when the next service is due.
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