Flowserve WDX R/C User Manual

WD X U SE R I N S TRU CT IO N SE N GLIS H 71576322 06 - 05
Page 26 of 46
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T he g l and m u s tbead j u s ted e v en ly to g iv e
visi b l e l ea k age and c on c ent ri c a li gn m ent of the g l and
ri ng [4120] to a v o i de xc e ss te m pe r atu r e. If no
l ea k age ta k e s p l a c e the pa cki ng wil l beg i nto
o
v e r heat. If o v e r heat i ng ta k e s p l a c e the pu m p s hou l d
be
s topped an d a ll o w ed to c oo l befo r ebe i ng r e -
s
ta r ted. W hen the pu m p is r e -s ta r ted, c he ck to
en
s u r e l ea k age is ta ki ng p l a c eatthepa ck ed g l and.
If hot
li qu i d s a r ebe i ng pu m ped i t m a y be ne c e ss a ry
to sl a ck en the g l and nut s to a c h i e v e l ea k age.
T he pu m p s hou l dbe r un fo r ten mi nute swi th s tead y
l
ea k age and the g l and nut s t i ghtened b y 10 deg r ee s
at a t im eunt il l ea k age is r edu c ed to an a cc eptab l e
l e v e l . T he te m pe r atu r eoftheg l and s hou l dbe
c he ck ed afte r ea c h r ound of t i ghten i ng. If the
te
m pe r atu r e s ta r t s to cli m b r ap i d ly then ba ck off the
g
l and nut s unt il the te m pe r atu r ed r op s do w n. W a i tfo r
the te m pe r atu r eto s tab iliz ebefo r et i ghten i ng aga i n.
T he l ea k age m u s tnotbe r edu c ed be l o w a r ate of 20
d
r op s pe rmi nute. Bedd i ng i nofthepa cki ng m a y ta k e
s e v e r a l hou rs .
C a r e m u s tbeta k en w hen ad j u s t i ng the g l and
on an ope
r at i ng pu m p. Safet y g l o v e s a r ee ss ent i a l .
Loo
s e cl oth i ng m u s t not be w o r ntoa v o i dbe i ng
c aught up b y th e pu m p s haft. Shaft gua r d sm u s tbe
r ep l a c ed afte r the g l and ad j u s t m ent is c o m p l ete.
N e v e rr un g l and pa cki ng d ry ,e v en fo r
a s ho r tt im e.
5.7.3 P u m p s f i tt e d wi th mec h a n ical seal
M e c han ic a ls ea ls r equ ir enoad j u s t m ent. An ysli ght
i n i t i a ll ea k age will s top w hen the s ea lisr un i n.
Befo
r epu m p i ng d ir t yli qu i d si t is ad vi s ab l e, i f
po
ssi b l e, to r un i n the pu m p m e c han ic a ls ea l u si ng
cl ean li qu i dto s afegua r dthe s ea l fa c e.
E x te r na l f l u s ho r quen c h s hou l dbe
s ta r ted befo r ethepu m p is r un and a ll o w ed to f l o w fo r
ape ri od afte r the pu m pha ss topped.
N e v e rr un a m e c han ic a ls ea l d ry ,e v en
fo
r a s ho r tt im e.
5.7.4 B eari ng s
If the pu m p s a r e w o rki ng i n a potent i a lly
e x p l o si v eat m o s phe r e, te m pe r atu r eo rvi b r at i on
m on i to ri ng at the bea ri ng sisr e c o mm ended.
If bea
ri ng te m pe r atu r e s a r etobe m on i to r ed i t is
e ss ent i a l that a ben c h m a rk te m pe r atu r e is r e c o r ded
at the
c o mmi ssi on i ng s tage and afte r the bea ri ng
te
m pe r atu r eha ss tab iliz ed.
 R e c o r d the bea ri ng te m pe r atu r e ( t ) and the
a
m b i ent te m pe r atu r e ( ta )

E s t im ate the lik e ly m a xi m u m a m b i ent
te
m pe r atu r e ( tb )

Set the a l a rm at ( t+tb - ta+5 ) C [ ( t+tb - ta+10 ) F ]
and the t
ri p at 100 C( 212 F) fo r o il l ub ric at i on
and 105
C( 220 F) fo r g r ea s e l ub ric at i on
It
is im po r tant, pa r t ic u l a rly wi th g r ea s e l ub ric at i on, to
k eep a c he ck on bea ri ng te m pe r atu r e s .Afte rs ta r tup
the te
m pe r atu r e ris e s hou l dbeg r adua l , r ea c h i ng a
m a xim u m afte r app r o xim ate ly 1.5to2hou rs . T h is
te m pe r atu r e ri s e s hou l dthen r e m a i n c on s tant o r
m
a r g i na lly r edu c e wi th t im e. (R efe r to s e c t i on 6.2.3.1
fo
r fu r th e ri nfo rm at i on. )
5.7.5 No rmal v i b ra t i on levels, alarm a nd t ri p
F
o r gu i dan c e, pu m p s gene r a lly fa ll unde r a
cl a ssi f ic at i on fo rri g i d s uppo r t m a c h i ne swi th i nthe
Inte
r nat i ona lr otat i ng m a c h i ne ry s tanda r d s and the
r e c o mm ended m a xim u ml e v e ls be l o w a r eba s ed on
tho
s e s tanda r d s .
A l a rm and t ri p v a l ue s fo ri n s ta ll ed
pu
m p ss hou l dbeba s ed on the a c tua lm ea s u r e m ent s
(N)
ta k en on si te on th e b ea ri ng hou si ng s of the
pu
m p i nthefu lly c o mmissi oned a s ne wc ond i t i on.
T he e x a m p l e (N) v a l ue is g iv en fo r th e p r efe rr ed
ope
r at i ng f l o wr eg i on ( t y p ic a lly th is m a y e x te nd to 70
to 120 % of the pu
m pbe s teff ici en cy po i nt ) ;out si de
the p
r efe rr ed f l o wr eg i on the a c tua lvi b r at i on
e
x pe ri en c ed m a y be m u l t i p li ed b y up to 2.
T he s e s tanda r d v a l ue sc an v a ry wi th th e r ota t i ona l
s
peed and the po w e r ab s o r bed b y th e p u m p. F o r an y
s
pe ci a lc a s e, do not he si ta te to c on s u l tu s .
M ea s u ri ng vi b r at i on at r egu l a ri nte rv a ls will then s ho w
an y dete ri o r at i on i npu m po rsys te m ope r at i ng
c ond i t i on s .
Vi b ra t i on Vel o ci t y -unf il t ere d
Ho
ri zont al Conf i gu ra t i on
mm/s ( i n ./ s ) r.m.s.
N o rm a l N  5. 6 ( 0. 22 )
A l a rm N x 1. 25  7. 1 ( 0. 28 )
Shut do w n Tri p N x 2.0  11.2 ( 0.4 4 )
5.7.6 S top /s t ar tf re qu e n cy
Pu m p s et s a r eno rm a lly s u i tab l efo r the nu m be r of
equa
lly s pa c ed s top/ s ta r t s pe r hou rs ho w n i nthe
tab
l ebe l o w . C he ck a c tua lc apab ili t y of the d ri v e r and
c ont r o l / s ta r t i ng sys te m befo r e c o mmissi on i ng.

Flowserve WDX R/C Specifications

General

Brand	Flowserve
Model	WDX R/C
Category	Water Pump
Language	English