Centrifugal Pump Maintenance Checklist – Free PDF

Centrifugal pump maintenance checklist template

About the Centrifugal pump maintenance checklist template

Our centrifugal pump maintenance checklist aids you in standardizing inspections, lubrication, vibration analysis, and seal checks so every pump in your operation performs reliably. Built for industrial and facility managers, it guides your team through essential preventive tasks to minimize unplanned downtime and avoid failures. As highlighted by the U.S. Department of Energy, pumping systems can represent up to half of a facility’s total electricity use in energy-intensive industries, underscoring the value of proactive maintenance.

Unlike our heat pump or sump pump checklists, this template is tailored for high-flow, high-demand settings where centrifugal pumps are mission-critical, such as manufacturing, water treatment, and chemical processing. Need to cover other equipment? Browse through our full library of maintenance templates for comprehensive asset management.

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Inspection

Select inspection period

After 1000 running hours or 3 months whichever is earlier

Bearing lubricant (for water contamination and sediments)

Oil ring for performance

Deflector for looseness

Constant level oiler for leakage

Mechanical seal for leakage

Seal flushing/ quenching system (of mechanical seal) for clogging and chocking.

Gland for leakage

Cooling water flow in both the bearing housings

Condition of bearing by sound and temperature (in running condition)

Performance of all measuring instruments (pressure or temperature gauges and flow meters)

Coupling Guard

Electric Motor load current

Axial position indicator (in case of multi-stage pump)

Dowel pins (in position or not; wherever provided)

After 4000 running hours or 1 year whichever is earlier

Bearing lubricant (for water contamination and sediments)

Oil ring for performance

Deflector for looseness

Constant level oiler for leakage

Mechanical seal for leakage

Seal flushing/ quenching system (of mechanical seal) for clogging and chocking.

Gland for leakage

Cooling water flow in both the bearing housings

Condition of bearing by sound and temperature (in running condition)

Performance of all measuring instruments (pressure or temperature gauges and flow meters)

Coupling Guard

Electric Motor load current

Axial position indicator (in case of multi-stage pump)

Dowel pins (in position or not; wherever provided)

Flushing of bearing with lube oil and refilling of oil to required level,

whether carried out or not

Flushing of cooling water lines and strainers, whether carried out or not (to ensure proper flow of cooling water.

Foundation, foundation bolts and supports

Replacement of old packing with new ones and condition of gland follower, lantern ring and sleeves (in case of gland packing)

Condition of coupling, coupling bolts, nuts, spring washers and their conformity to uniform size. Change grease in half coupling in case of gear type.

After 8000 hours or 2 years whichever is earlier

Bearing lubricant (for water contamination and sediments)

Oil ring for performance

Deflector for looseness

Constant level oiler for leakage

Mechanical seal for leakage

Seal flushing/ quenching system (of mechanical seal) for clogging and chocking.

Gland for leakage

Cooling water flow in both the bearing housings

Condition of bearing by sound and temperature (in running condition)

Performance of all measuring instruments (pressure or temperature gauges and flow meters)

Coupling Guard

Electric Motor load current

Axial position indicator (in case of multi-stage pump)

Dowel pins (in position or not; wherever provided)

Flushing of bearing with lube oil and refilling of oil to required level,

whether carried out or not

Flushing of cooling water lines and strainers, whether carried out or not (to ensure proper flow of cooling water.

Foundation, foundation bolts and supports

Replacement of old packing with new ones and condition of gland follower, lantern ring and sleeves (in case of gland packing)

Condition of coupling, coupling bolts, nuts, spring washers and their conformity to uniform size. Change grease in half coupling in case of gear type.

Condition of outboard bearing, lock nut and lock washer (in case lock washer found damaged and lock nut loose, shaft axial play shall be checked)

Following items of Journal bearings :

a) High spot (High Spots shall be scrapped)

b) Condition of thrust bearing, lock nut and lock washer (in case lock washer found damaged and lock nut loose, shaft axial play shall be checked).

Inspection of bearings (replace the bearings if necessary).

Pump float (adjust if necessary)

Oil filter for cleanliness if journal bearings are hydrodynamic

Inspect condition of mechanical seals

Alignment (Misalignment shall not be more than 0.05 mm)

Painting of equipment, whether carried out or not

After completing the checks listed above the pump shall be started and the following shall be checked during the trial run (the trial run duration shall be half to one hour for electric driven and 3 to 4 hours for diesel driven). NOTE: Pumps in hot service shall not be rotated unless it is gradually heated up to a temperature close to that of the working fluid.

a) Discharge pressure

b) Suction pressure

c) Liquid flow (if possible)

d) Condition of mechanical seal/ gland packing

e) Electric Motor load current at discharge valve shutoff and open condition

f) Condition of bearing by sound and temperature

g) Any leakage

h) Vibration and shock pulse reading

Completion

Comments

Inspector Name and Signature

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Frequently asked questions

What is included in a centrifugal pump maintenance program?

A centrifugal pump maintenance program typically covers regular inspections, lubrication of bearings, checking and replacing seals, monitoring vibration levels, verifying alignment, and cleaning filters. These steps help prevent breakdowns, extend equipment life, and ensure efficient operation in demanding industrial environments.

What are the common causes of centrifugal pump failure?

Common causes of centrifugal pump failure include seal leaks, bearing wear, misalignment, cavitation, and inadequate lubrication. Poor maintenance and ignoring early warning signs often lead to expensive repairs and unplanned downtime in industrial facilities.

How can you detect early signs of centrifugal pump problems?

Early signs of centrifugal pump problems include unusual vibrations, excessive noise, leaks, reduced flow, and higher energy consumption. Regular monitoring and data analysis can help maintenance teams identify these issues before they escalate and disrupt operations.

What are the signs of cavitation in a centrifugal pump?

Signs of cavitation in a centrifugal pump include loud rattling or “gravel” noises, vibration, reduced flow rates, and pitting damage on impeller surfaces. Cavitation can quickly lead to pump failure, so early detection and correction are critical for industrial reliability.

This template, developed by Lumiform employees, serves as a starting point for businesses using the Lumiform platform and is intended as a hypothetical example only. It does not replace professional advice. Companies should consult qualified professionals to assess the suitability and legality of using this template in their specific workplace or jurisdiction. Lumiform is not liable for any errors or omissions in this template or for any actions taken based on its content.