Flowserve VTP User Instructions page 57

VERTICA
FAULT SYM MPTOM
P u m p o v e r h h e a t s a n d s e e i z e s
 B e a r i n g s h a v e s h o r t
 P u m p v i b r a t e s o r i
M e c h a n i c a l s e a l

 M e c h a n i c a l s e M
P u m p r e q u i

 P u m p l o s
I n s u f f i

 I n s u u f f i c i e n t c a p a
 P

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Page 57 of 7 76
AL TURBINE E PUMPS (VT
l i f e
i s n o i s y
h a s s h o r t l i i f e
e a l l e a k s e x c c e s s i v e l y
i r e s e x c e s s i v v e p o w e r
s e s p r i m e a f t t e r s t a r t i n g
i c i e n t p r e s s u u r e d e v e l o p e
a c i t y d e l i v e r
u m p d o e s n o o t d e l i v e r l i q
POSSIBLE CAU USES
Impeller dama aged or eroded.
Leakage unde er sleeve due to j
Shaft sleeve w worn, scored, or
center.
Mechanical se eal improperly in
Incorrect type of mechanical s
Shaft running off center becau
bearings or m misalignment.
Impeller out o f balance resultin
vibration.
Solids/Abrasiv ve particles in liq
Internal misali ignment of parts
seal ring and seat from mating
Mechanical se eal was run dry.
Internal misali ignment due to im
repairs causin ng impeller to rub
Excessive thru ust caused by a
failure inside t the pump.
Excessive gre ease in ball beari
Lack of lubrica ation for bearings
Improper insta allation of bearin
during assem bly, incorrect ass
type of bearin g etc).
Damaged bea arings due to con
Wrong directio on of rotation.
Motor Protect or open.
Line voltage n not correct/faulty
box/wiring/low w voltage.
Blown fuse/br reaker open/dead
or loose conn ection.
Motor running g on 2 phases on
Motor running g too slow.
TPS) CENTRI IFUGAL PUM
e d
r e d
u i d
PO OSSIBLE REME
Replace. or cons
joint failure. Replace joint an
running off
Check and renew
stalled. Check alignmen
seal. Consult Flowser
use of worn Check misalignm
satisfactory chec
ng in
uid pumped. Check. Consult
preventing
g properly.
Check mechanic
Check method o
mproper
cleanliness durin
b.
Flowserve, if nec
mechanical Check wear con
passages.
ngs. Check method o
Check hours run
s.
schedule and its
gs (damage Check method o
sembly, wrong cleanliness durin
Remedy and con
ntamination. Check contamin
C. MOTOR/EL LECTRICAL PRO
Reverse 2 phas
Check namepla
Replace faulty m
control
Check wiring di
d motor/short
Check/repair or
nly. Check supply an
Check motor ter
MPS ENGLIS SH 71569224
EDIES
sult Flowserve fo or an upgrade.
nd check for dam mage.
w defective parts s.
nt of faces/damag ged parts/assem
rve.
ment and correct t if necessary. If
ck bearings for e excessive wear.
t Flowserve for p roblem resolutio
cal seal/flush sup pply/pump and re
of assembly, pos sible damage or
ng assembly. Ch heck and consult
cessary.
ndition of impelle r, its clearances
of re-greasing.
n since last chan ge of lubricant, t
s basis.
of assembly, pos sible damage or
ng assembly and d type of bearing
nsult Flowserve, if necessary.
nation source and d replace bearing
OBLEMS
ses at motor term minal box.
ate for voltage an nd current rating.
motor protectors .
agram.
r replace fuses/b reakers.
nd fuses.
rminal box conne ections and volta
flowse
4 – 02-15
mbly
alignment
n ideas.
epair.
state of
and liquid
the
state of
used.
gs.
ge.
erve.com