Troubleshooting
Model 710 TruBlue Installation, Operation, and Maintenance Manual
69
Alignment troubleshooting
Symptom
Cause
Remedy
Horizontal (side-to-side) alignment cannot
be obtained (angular or parallel).
The driver feet are bolt-bound.
Loosen the pump's hold-down bolts, and
slide the pump and driver until you
achieve horizontal alignment.
The baseplate is not leveled properly and
is probably twisted.
1.
Determine which corners of the base-
plate are high or low.
2.
Remove or add shims at the appropri-
ate corners.
3.
Realign the pump and driver.
Vertical (top-to-bottom) alignment cannot
be obtained (angular or parallel).
The baseplate is not leveled properly and
is probably bowed.
1.
Determine if the center of the base-
plate should be raised or lowered.
2.
Level screws equally at the center of
the baseplate.
3.
Realign the pump and driver.
Assembly troubleshooting
Symptom
Cause
Remedy
There is excessive shaft end play.
The internal clearance of the bearings ex-
ceeds the recommended amount.
Replace the bearings with a bearing
of the correct type.
The snap ring is loose in the bearing-
housing groove.
Re-seat the snap ring.
There is excessive shaft runout.
The shaft is bent.
Replace the shaft.
There is excessive bearing-frame flange
runout.
The shaft is bent.
Replace the shaft.
The flange of the bearing frame is distorted. Replace the bearing-frame flange.
The adapter-to-frame O-ring is not seated
properly.
Re-seat the frame adapter and make
sure that the adapter-to-frame O-ring
is seated properly.
There is excessive seal chamber or stuffing-
box cover runout.
The seal chamber or the stuffing-box cover
is not properly seated in the frame adapter.
Re-seat the seal chamber or stuffing-
box cover.
There is corrosion or wear on the seal
chamber or stuffing-box cover.
Replace the seal chamber or stuffing-
box cover.
There is excessive vane-tip runout of the
impeller.
The vane is bent.
Replace the impeller.
i-ALERT
®
2 Equipment Health Monitor troubleshooting
To troubleshoot t the i-ALERT
®
2 Equipment Health Monitor, please refer to the i-ALERT
®
2
Equipment Health Monitor IOM or
Symptom
Cause
Remedy
There are no green or red flashing LEDs.
The battery is dead.
Replace the condition monitor.
The unit is deactivated.
Activate the condition monitor.
The unit is malfunctioning.
Consult your ITT representative
for a warranty replacement.
The red LEDs are flashing, but the temperature and
vibration are at acceptable levels.
The baseline is bad.
Check the temperature and vi-
bration levels and reset the con-
dition monitor.
The unit is malfunctioning.
Consult your ITT representative
for a warranty replacement.
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