Standard Operating Procedure for Condenser Pump Maintenance

SOP Number: Hotel Engineering SOP – 15

Department: Engineering and Maintenance

Date Issued: 25–Feb-2018

Time to Train: 30 Minutes

Condenser Pump Maintenance Checklist and Procedure:

Required Tools:

  • Screwdriver.
  • Clamp meter.
  • Crimping Tool.
  • Megger.
  • Oil Can.
  • Grease Gun.
  • Plier.
  • Spanner Set.
  • Brush.
  • Bush.
  • Line Tester.

Consumable Parts:

  • PVC tape.
  • WD- 40.
  • Lubricating Oil.
  • Grease.
  • Carbon removing compound.
  • Old cleaning clothes.

Cooling Tower Fan Maintenance Activity:

Condenser Pump:

  • Check the alignment of the pump and the motor.
  • Check the shaft if the same is loose or broken.
  • Broken shaft to be removed immediately.
  • Check the bearing and if required do oiling or greasing.
  • Replace bearing if it is too noisy.
  • Check the bush if it is loose or broken.
  • Replace broken bush.
  • Check the coupling of the motor pump.
  • Check the but & bolts, tighten nut & bolts if required.
  • Check the impeller for loose & broken, replace if required.
  • Check strainer if it’s broken, cleaning to be also done.


  • Motor Should be of minimum 60 HP.
  • Electrical control should be proper.
  • Check for any burnt contact, loose electrical connection and overall operation to be checked.
  • Overload relay should be checked.
  • Check the operation of the relay, setting and loose electrical connections.
  • Check the timer operation and time settings.
  • Check for any loose electrical connection.
  • Check for any loose & burnt electrical connection.
  • Check the MCB rating and verify with the recommended Amp.
  • Check Terminal Plate, Any burnt and broken plate need to be replaced.
  • Check the motor bearing.
  • Perform oiling, greasing or change the bearing if required.
  • Check the internal Resistance Value.

Other points to check:

  • Check at the full Load motor capacity should be 85 Amp.
  • Check and verify the overload relay setting should be 40 Amp.
  • Check the contractor rating should be ML4 – 63 Amp.
  • Overload relay range should be between 30-50Amp.
  • Check and verify the control fuse rating at 4 Amp.
  • Check and verify the MCB rating should be at 250 Amp.
  • Check and verify the timer settings should be set at 9-10 sec.

Remarks by the Technician: