Goulds Pumps ANSI FAMILY IOM (ATEX Compliant) - Manual (Page 49)

PREVENTIVE MAINTENANCE
GENERAL COMMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
MAINTENANCE SCHEDULE . . . . . . . . . . . . . . . . . . . . . . . . . 47
MAINTENANCE OF BEARINGS . . . . . . . . . . . . . . . . . . . . . . . 48
Oil Lubricated Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Grease Lubricated Bearings . . . . . . . . . . . . . . . . . . . . . . . . 48
MAINTENANCE OF SHAFT SEALS . . . . . . . . . . . . . . . . . . . . . 50
Mechanical Seals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Packed Stuffing Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Dynamic Seal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
IMPELLER CLEARANCE SETTING . . . . . . . . . . . . . . . . . . . . . 51
Dial Indicator Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Feeler Gauge Method . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
GENERAL COMMENTS
A routine maintenance program can extend the life of your pump. Well maintained
equipment will last longer and require fewer repairs. You should keep maintenance
records, this will help pinpoint potential causes of problems.
!
The preventive maintenance section must be adhered to in order to keep the applicable ATEX
classification of the equipment. Failure to follow these procedures will void the ATEX classification
for the equipment.
MAINTENANCE SCHEDULE
ROUTINE MAINTENANCE
•
Bearing lubrication
•
Seal monitoring
•
Vibration analysis
•
Discharge pressure
•
Temperature monitoring
ROUTINE INSPECTIONS
•
Check level and condition of oil through sight glass
on bearing frame.
•
Check for unusual noise, vibration and bearing
temperatures.
•
Inspect pump and piping for leaks.
•
Check seal chamber/stuffing box leakage.
– Mechanical Seal: Should be no leakage.
– Packing: Excessive leakage requires
adjustment or possible packing replacement.
Refer to
Section 4 - Operation for packing
gland adjustment.
3 MONTH INSPECTIONS
•
Check the foundation and the hold-down bolts for
tightness.
•
If the pump has been left idle, check the packing.
Replace if required.
•
Oil should be changed at least every 3 months
(2000 hours) or more often if there are any
adverse atmospheric conditions or other
conditions which might contaminate or break down
the oil. If it is cloudy or contaminated as seen by
inspection through the sight glass, it should be
changed immediately.
•
Check the shaft alignment. Realign if required.
ANSIFAM IOM - 5/08
47
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