Fristam Pumps FP Series, Инструкция по эксплуатации и техническому обслуживанию, Страница: 27 / 32

Fristam FP/FPX Series Pump
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23. Foreign matter in impeller
24. Foundations not rigid
25. Shaft bent
26. Impeller rubbing on pump housing
27. Motor bearings worn
28. Impeller damage
29. Cover gasket defective permitting leakage
30. Shaft or shaft collar worn or scored
31. Seal improperly installed
32. Type of seal incorrect for operating condi-
tions
33. Pump shaft running off center because of
worn bearings or misalignment
34. Impeller out of balance causing vibration
35. Motor front bearing not locked
36. Dirt or grit in sealing liquid, leading to scor-
ing of shaft or seal surface
37. Lack of lubrication in motor bearing
38. Improper installation of antifriction bearings
(damage during assembly, incorrect assembly
of stacked bearings, use of unmatched bear-
ings as a pair, etc.)
39. Dirt in bearings
40. Piping is obstructed
23. Remove pump cover and clear foreign matter
24. Provide firmer foundation for the pump
25. Replace shaft
26. Re-establish gap of the impeller, replace im-
peller if defective, make sure impeller nut is
tightened properly
27. Replace motor bearings
28. Replace impeller
29. Replace cover gasket
30. Replace pump shaft and/or collar
31. Install seal correctly, replace seal if defective
32. Replace seal with correct type of seal, check
with your local representative
33. Check motor bearings and replace if defective
34. Balance the impeller
35. Contact motor manufacturer for locking
shim or to replace motor with a motor with
locked front bearing
36. Use clean source of water for seal flush
37. Lubricate motor bearings
38. Reinstall bearings correctly
39. Clean bearings, replace if defective
40. Remove obstruction in pipe, check for closed
valve