PB3 User Instruction
Page 33 of 39
If on vacuum service.
WARNING
Before attempting any maintenance work on pumps in vacuum service, pumps must
be isolated from suction and discharge system then carefully vented to return
pressure in pump casing to atmospheric pressure.
5.1 Maintenance schedule
Although your PUMPIRAN pump has been designed for extended, trouble-free service, certain preventive
maintenance measures should be performed on a regular basis to ensure optimum performance. A well-planned
program of routine maintenance is the best assurance of dependable operation. The following preventive
maintenance (PM) inspections are suggested as a minimum, and may be supplemented by the experience of the
operating personnel.
Preventive Maintenance Item Instructions
Frequency
Suction strainer when used
Check pressure differential between the gauges located on each
side of the strainer.
Daily
Pump Suction And
Discharge Pressure/Flow
Rate
Check suction and discharge pressure/flow rate for proper pump
operation.
Daily
Mechanical Seal
Inspect visually
Daily
Instrumentation
Check all related pressure gauges, temperature and detectors,
etc. to detect any abnormalities.
Daily
Shaft rotation (Down
periods only)
During extended down periods rotate the shaft by hand 1-1/4
times to prevent shaft binding.
Monthly
Auxiliary piping
Check for leakage around connections, etc.
Weekly
Shaft/bearing housing
vibration
Review all vibration data for any abnormalities and/or sudden
changes in levels.
Weekly
Bolting tightness
Check all external bolting for proper torque.
Monthly
Cleanliness
General clean-up soiled areas
Quarterly
Oil system
Refer to Lubrication System section of instruction manual.
Periodically
5.2 Spare parts
5.2.1 Ordering of spares
PUMPIRAN keep records of all pumps that have been supplied. When ordering spares the following information should be
quoted:
Pump serial number
Pump size/type
Order number
Part name – taken from section 7 or pump sectional drawing
Part number – taken from section 7 or pump sectional drawing
Number of parts required – taken from section 7 or pump sectional drawing
The pump size and serial number are shown on the pump nameplate.
To place an order, contact the PUMPIRAN office.