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 25 of 46
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5.5.1 S u c t i on p ress u re a bo ve a t m o s ph eric
p ress u re
Open the a ir v ent c onne c t i on to a ll o w the t r apped a ir
to e sc ape. Let li qu i d r un out unt il f r ee f r o m a ir
bubb l e s .
5.5.2 S u c t i on li ft wi th foot valve f i tt e d
Fill s
u c t i on p i pe and c a si ng wi th li qu i datap r e ss u r e
of1to2ba
r f r o m an e x te r na ls ou rc e. Vent a s
de scri bed i n s e c t i on 5.5.1.
F oot v a lv e s a r e not r e c o mm ended w hen
the pu
m ped li qu i dha ss u s pended s o li dpa r t icl e s .
T he ym a yl odge bet w een foot v a lv e s eat and s hutte r .
5.5.3 S u c t i on li ft wi thout foot valve
Pu m p c a si ng v ent s on the s u c t i on v o l ute m u s tbe
c onne c tedtoane x te r na lv a c uu m pu m pp rimi ng
sy s te m .If i n doubt, p l ea s e c on s u l t Fl o ws e rv e.
5.6 S t ar t i ng th e pu m p
a ) En s u r ef l u s h i ng and/o rc oo li ng/
heat
i ng li qu i d s upp li e s a r etu r ned O N befo r e
s ta r t i ng the pu m p.
b
)C LOSE the out l et v a lv e. If the pu m p is equ i pped
wi th a non -r etu r nf l o wv a lv eand is to be s ta r ted
wi th an opened d isc ha r ge v a lv e, v e ri f y that i t is
cl
o s ed b y an adequate ba ck p r e ss u r e.
c) OPE N a ll i n l et v a lv e s .
d
) Open a ll v a lv e s of the mi n im a l f l o wli ne to en s u r e
a
mi n im a l f l o w fo r the pe ri od the pu m p is r unn i ng
aga
i n s tthe cl o s ed d isc ha r ge v a lv e.
e
) P rim e the pu m p.
f
)C he ck that a ll p l ug s a r et i ght.
g
)C he ck that the g l and li ght ly t i ghten s the pa cki ng.
h
) En s u r ea ll v ent c onne c t i on s a r e cl o s ed
befo
r e s ta r t i ng.
i) Sta r t m oto r and c he ck out l et p r e ss u r e.
j) If the p r e ss u r e is s at is fa c to ry , sl o wl y OPE N out l et
c ont r o lv a lv e.
k) D onot r un the pu m p wi th the
out
l et v a lv e cl o s ed fo r ape ri od l onge r th an 20
s e c ond s .
l) If N Op r e ss u r e, o r LO W p r e ss u r e, S T OP th e
pu
m p. R efe r to s e c t i on 7, F au l t s ; c au s e s and
r e m ed i e s ,fo r fau l td i agno si s .
5.7 Runn i ng th e pu m p
5.7.1 Ve nt i ng th e pu m p
Vent the pu m ptoenab l ea ll t r apped a ir to
e
sc ape ta ki ng due c a r e wi th hot o r ha z a r dou sli qu i d s .
U nde r no rm a l ope r at i ng c ond i t i on s ,afte r th e p u m p
ha
s been fu lly p rim ed and v ented, i t s hou l dbe
unne
c e ss a ry to r e -v ent the pu m p.
5.7.2 P u m p s f i tt e d wi th p acke dg la nd
If the pu m pha s apa ck ed g l and the r e m u s tbe s o m e
l ea k age f r o m the g l and. G l and nut ss hou l d i n i t i a lly be
f
i nge r- t i ght on ly .Lea k age s hou l dta k ep l a c e s oon
afte
r the s tuff i ng bo xis p r e ss u riz ed.

Flowserve WDX R/C Specifications

General

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