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