AC6102 Rev 03 28
9 Maintenance
WARNING
Rotating parts. Disconnect and lock out power
before performing maintenance. Failure to
follow these instructions could result in serious
personal injury.
WARNING
Electrical Shock Hazard.
Disconnect and lock out power before
performing maintenance. Failure to follow
these instructions could result in serious
personal injury.
NOTICE
It is the operator’s responsibility to ensure that
all maintenance work is performed by
authorized and qualified personnel.
NOTICE
Read the installation and operation
instructions for the driver and coupling for
maintenance requirements not covered in this
instruction.
9.1 General
A regular inspection and maintenance program must be
planned and followed in order to keep the pump in good
working condition. We suggest a permanent record be kept of
the periodic inspections and maintenance performed on your
pump. This recognition of maintenance procedure will keep
your pump in good working conditions, and prevent costly
breakdowns.
9.2 Maintenance Interval
Inspection intervals should be carried out in accordance with
the maintenance table, Table 6.
Action
Weekly
Monthly
Every six months
Annually
Test run the pump X
Check pump/driver alignment
X
Check bearing housing temperature
X
Check bearing grease
X
Check the stuffing box leak rate
X
Lubricate bearings
X
Check anchor bolts and tighten
X
Check coupling guard bolts and tighten
X
Check for unusual noise and vibration
X
Check the pump and piping for leaks
X
Check pump shaft end play
X
Check impeller assembly for wear
X
Test pump against performance curve
X
Table 6 Maintenance Interval
9.3 Lubrication
9.3.1 Lubricating grease requirements
Use a high-quality grease lubricant corresponding to NLGI
Grade 2. The recommended grease lubricants are shown in
Table 7.
Polyurea-based grease
(pumps built after December 2014)
Manufacturer Brand Name
Exxon Mobil Polyrex EM
Chevron SRI NLGI 2
Shell Gadus S5 T100 2
Lithium-based grease
(pumps built before December 2014)
Manufacturer Brand Name
Exxon Mobil Mobilux EP 2
Chevron Multifak EP2
Shell Gadus S2 V100 2
Table 7 Recommended Grease Lubricants
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