Initial Alignment - Flowserve VTP User Instructions

VERTICA
e) Check d river manufac cturer's instruc
special in nstructions inc
instructio ons and follow w all "startup"
f) Electric d drivers should d be checked f
this time . Make electr
motor (m momentarily st
rotation. DRIVER MU UST ROTATE
COUNTE ERCLOCKWI
top end o of motor. To c
rotation o on a three-ph
two line l leads. To cha
a two-ph hase motor, in
phase.
g) See impe eller adjustme
before bo olting the pum mp and driver
coupling together.
4.5.4.3
Ins stallation of s
jac cking screws
a) Clean dr river mounting
and chec ck for burrs o
mounting g face. Oil lig ghtly.
b) Center m motor over pu
mounting g holes.
Electric motors: Ro otate junction
desired p position.
Gear Dr rives: Rotate
position.
c) Lower dr river carefully y into place. M
indicator r base on the
coupling g. Set the ind
position the dial to ze
indicator r is in direct lin
jackscre ws. Record t
motor sh haft and indica
this read ding being car
values. Take the diffe
and usin ng the jackscr rews move the
half of th he difference.
T.I.R. re ading is a ma aximum of 0.0
(0.002in .). Then repe eat this step fo
jack scre ews located 9 90 degrees to
Once all readings are e within 0.051
tighten m motor bolts an nd check for a
in readin ngs.
d) Check d river manufac
special i nstructions in ncluding lubric
instructio ons and follow
e) Electric d drivers should
this time e. Make elect
"bump" m motor (mome entarily start, t
check ro otation. DRIV VER MUST RO
COUNTE ER-CLOCKW WISE when loo
top end of motor. To
rotation on a three-ph hase motor, in
Page 30 of 7 76
AL TURBINE E PUMPS (VT
ctions for
cluding lubrica ation
instructions.
for rotation at
rical connectio ons "bump"
tart, then stop p) to check
ISE when look king down at
change the di irection of
ase motor, int terchange any
ange direction n of rotation on
terchange the e leads of eith
ent instruction ns (section 5.3
half of the
solid shaft d driver with
s
g flange on di ischarge head
r nicks on the e register and
mp and rotate e to align
box into
input shaft in nto desired
Mount the dia
O.D. of the m motor half
icator on the pump shaft,
ro being care eful that the
ne with one o of the
this reading th hen rotate the
ator 180 degr rees. Record
reful to note p plus or minus
erence of the two readings
e motor one-
Repeat this step until the
051mm
or the set of
the first set.
mm (0.002in.
any movemen
cturer's instru uctions for
cation
w all "startup" " instructions.
d be checked for rotation a
trical connecti ions and
then stop) to
OTATE
oking down a
change the d direction of
nterchange an
TPS) CENTRI IFUGAL PUM
tw o line leads.
a t two-phase mo
eit ther phase.
t f) Se ee impeller ad
be efore bolting th
co oupling togeth
4.6 I Initial Alig
4.6.1 Thermal ex
y
n
her
The
have to o be aligned a
3)
should d be corrected
operat ting temperatu
involvi ng high liquid
the un it should be r
tempe rature, shut d
immed diately.
d
4.6.2 Preparatio
To ens sure proper al
very im mportant.
a) All l machined m
ma ating flanges
cle ean and free o
b) Ex xterior strain m
pu ump. The mos
al
for rcing the pipin
rec commended t
in the piping adj
c) All l threads shou
rep paired if nece
e
co onnections wit
an nti-galling com
s
4.6.3 Alignment
e
Ensu
electric cally and the
.),
The
nt
Althou gh the pump
factory y it is most like
been d disturbed duri
If nece essary, align t
pump t to the motor.
at
Do not ad
the dis scharge head
at
adjuste ed in the horiz
driver a and shaft cen
ny
MPS ENGLIS SH 71569224
To change d irection of rot
otor, intercha nge the leads
djustment inst tructions (sec
he pump and driver half of
her.
nment
xpansion
pump and m motor will norm
at ambient te mperature an
d to allow for t thermal expa
ure. In pump p installations
d temperature es greater tha
run at the actu ual operating
down and the alignment ch
on before alig gnment
ignment the f following items
mating surface es (such as th
of pump and motor) must
of burrs and n nicks.
must not be tra ansmitted to t
st common ca ause of trouble
ng to mate wit th the pump.
that flexible co onnectors be
jacent to the p pump.
uld be checke ed for damage
essary. Lubric cate all thread
th a suitable t thread lubrica
mpound).
methods
re pump and driver are iso
half coupling s are disconn
alignment M UST be chec
will have bee en aligned at t
ely that this a alignment will
ing transporta ation or handl
the motor to t he pump, not
dd shims betw ween the moto
. The motor a assembly may
zontal directio on to line up t
nters. When p provided, align
flowse
4 – 02-15
tation on
s of
ction 5.3
f the
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n 300°F,
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