Goulds Pumps 3410 - IOM - Manual (Page 44)

Troubleshooting Table
Key Cause Corrective Measures
24
Stuffing box not properly packed
(insufficient packing, not properly inserted
or run in, packing too tight).
Check packing and repack stuffing box.
25 Incorrect packing or mechanical seal. Consult the factory.
26 Damaged mechanical seal. Inspect and replace as required. Consult factory.
27 Shaft sleeve scored. Remachine or replace as required.
28 Cavitation. Increase NPSH Available. Consult factory.
29 Pump capacity too low. Consult factory for minimum continuous flow.
30
Improper bearing lubrication or bearings
worn out.
Inspect and replace as required.
31
Improper running clearances between
wear rings. Check for proper clearance. Replace casing
and/or impeller wear rings as required.
32 Excessive pipe strain on pump casing.
Relieve strain and consult your Goulds representative.
Check alignment after strain is relieved.
33 Excessive runout on shaft or impeller rings.
Inspect rotating element and bearings. Replace worn
or damaged parts as required.
34
Dirt between impeller and casing wear rings.
Dirt in casing ring. Clean and inspect wear rings. Replace as required.
Isolate and relieve source of dirt.
35
Packing too tight or mechanical seals not
properly adjusted.
Check and adjust packing, replaceas required. Adjust
mechanical seals, refer to manufacturer’s instructions
supplied with pump,or consult factory
36 Excessive lubrication.
Take out the relief plug to allow the excess grease to
purge itself. If unit is oil lubricated, drain the oil to the
correct level.
42
3410 IOM 1/2010