ULTRA V SERIES
OM-05815
TROUBLESHOOTING
PAGE D - 3
PREVENTIVE MAINTENANCE
Routine preventive maintenance of the pump will
maintain peak operating performance. Since
pump applications are seldom identical, and pump
wear is directly affected by such things as the abra
sive qualities, pressure and temperature of the liq
uid being pumped, this section is intended only to
provide general recommendations and practices
for preventive maintenance. Regardless of the ap
plication however, following a routine preventive
maintenance schedule will help assure trouble‐
free performance and long life from your Gorman‐
Rupp pump.
Record keeping is an essential component of a
good preventive maintenance program. Changes
in suction and discharge gauge readings (if so
equipped) between regularly scheduled inspec
tions can indicate problems that can be corrected
before system damage or catastrophic failure oc
curs. The appearance of wearing parts should also
be documented at each inspection for comparison
as well. Also, if records indicate that a certain part
(such as the seal) fails at approximately the same
duty cycle, the part can be checked and replaced
before failure occurs, reducing unscheduled down
time.
For new applications, a first inspection of wearing
parts at 250 hours will give insight into the wear rate
for your particular application. Subsequent inspec
tions should be performed at the intervals shown
on the chart below. Critical applications should be
inspected more frequently.
General Condition (Temperature, Unusual
Noises or Vibrations, Cracks, Leaks,
Loose Hardware, Etc.)
I
Pump Performance (Gauges, Speed, Flow)
I
Bearing Lubrication
I
R
Seal Lubrication (And Packing Adjustment,
If So Equipped)
I
R
V‐Belts (If So Equipped)
I
Air Release Valve Plunger Rod (If So Equipped)
I
C
Front Impeller Clearance (Wear Plate)
I
Rear Impeller Clearance (Seal Plate)
I
Check Valve
I
Pressure Relief Valve (If So Equipped)
C
Pump and Driver Alignment
I
Shaft Deflection
I
Bearings
I
Bearing Housing
I
Piping
I
Driver Lubrication - See Mfgr's Literature
Legend:
I = Inspect, Clean, Adjust, Repair or Replace as Necessary
C = Clean
R = Replace
* Service interval based on an intermittent duty cycle equal to approximately 4000 hours annually.
Adjust schedule as required for lower or higher duty cycles or extreme operating conditions.
Preventive Maintenance Schedule
Item
Daily
Weekly
Monthly
Semi‐
Annually
Annually
Service Interval*
