salmson NEX Manuel D'installation Et Mise En Service page 47

ENGLIS
SH
Gre ease retainer (clea arance type) is on
The e following metho ods are recomm
sha ft:
rst
1 method : Use a hotplate, hot bat
it can easily be
the bearing race so
shaft. It is imp
shri ink and grip the
rais ed above 100 ºC .
nd
2 method : Press t the bearing onto
pro vide a steady, even load to th
dam maging the bearin ng and shaft.
4. W With bearings a t ambient temp
bea aring locknut 371 12.1 (with its pol
bea aring) until tight.
5. W With the double r row thrust bearin
the shaft, with the ta apered face facin
6. W With the heavy d uty thrust bearin
grea ase retainer and 3712.2 if grease
sha ft with the larger r diameter end fa
7. F Fit pump radial b all bearing 3011
abo ove.
8. W With the NUP rol ller bearing optio
the shaft shoulder.
9. F Fit O‐ring 4610.2 on the bearing c
carr rier bore and O‐r ing.
10. If a labyrinth se eal is used make
dow wnward (if any qu uestion ask manu
11. Ensure the shaft t keyway edges a
shimming or tap
use pe over the keyw
bea aring seals.
12. On grease lubric cated pumps, ¾ f
with h the appropriate e grease.
13. Slide the bearing g carrier 3240 on
inse ert inner circlip 6 6544 into the car
lock king ring.
14. Check shaft 2100 0 for free rotation
15. Fit the labyrinth h ring 4330 into
the drain hole faces the bearing and
16. Install the shaft a assembly into the
is a pproximately 5 m mm (0.2 in.).
17. Fit the bearing ca arrier screws 657
18. Press drive side v v‐ring 4305 and p
sha ft 2100 where a applicable. The V
con tact with the bea aring carrier 3240
19. The pump side deflector 2540
pro prietary labyrint h seals) should o
sett ting the shaft axia al position.
20. Temporarily fit t the cover 1220 to
125 5 size, is retained d by studs 6580
now w be positioned i in relation to the
pos ition as shown be elow:
nly fitted on grea ase lubricated uni
ended to set the e bearings onto t
th, oven or induc ction heater to h
placed in positi
on then allowed
ortant that the temperature is
o the shaft using equipment that c
he inner race. T Take care to av
perature, screw on the self‐lock
yamide insert fa cing away from t
ng place the beari ing circlip 6544 o
ng the impeller en nd.
ng option, the loc ck nut 3712.2, 38
lubricated, shou uld be placed on t
acing the impeller r end.
onto the shaft u using Method 1 o
on, the loose rin g should be agai
carrier. Lightly lu ubricate the bear
sure that the oi il port is position
ufacturer).
During installati
are free of burrs.
way to avoid dam aging the drive s
fill the space bet ween bearing ra
nto the shaft/ be earing assembly a
rrier groove or sc crew up the bear
n.
the bearing hou using 3200 ensur
is at the 6 o'clock k position.
e bearing housing g 3200 until the g
70.1 but do not ti ghten
pump side liquid deflector 2540 o
V‐ring type shall be fitted with li
0.
(this feature is integral with so
final position af
only be set in its
o the power‐end d. The cover, abo
and their nuts. T The shaft 2100 m
e cover face, by rotating the carr
its.
the
eat
d to
not
can
void
king
the
21 1. The pump sid
be earing housing 32
over
864
the
or 2
inst
9. 3. 2. 2 ASSEM
ring
Extreme clea
or sleeve [2
ned
da amage.
Refer to follo
ion,
side
1. Carefully press t
se al cover 4213, en
ces
an n anti‐rotation pi
slo ot is achieved.
and
2. Place any separa
ring
3. Refer to manufa
ro tating elements.
pr recise compressio
ring
pu ump assembly.
4. Fit the cover 1
gap
fas steners.
9. 3. 2. 3 ASSEM
1. Assemble the gl
th e shaft 2100.
2. Stagger the joint
3. The lantern ring
wa ay along the pack
4. Position the glan
gla and nuts finger‐t
tw wo studs and nuts
5. Check that the s
9. 3. 2. 4 ASSEM
1. Fit a new O‐ring
gr ease to hold it in
co ontain copper) to
2. Assemble impell
3. Tighten the imp
ro tating in opposit
nto
co orrect level.
ght
9. 3. 2. 5 ASSEM
ome
CA SIN G
fter
1. Fit a new gasket
2. Install the powe
ove
65 572.1 with anti‐g
may
ca sing.
rier,
3. Check impelle
re quirement and a
4. Ensure that all
tig ghtened to the c
se ctions on Installa
18
Palier Dia. . X mm Z mm
1 24 9
2 32 17
3 42 9
4 48 22
e deflector 2540 0 may then be
200 and set with i its clearance.
MB Y OF MECHA A NICA L S EA L
nliness is require ed. The sealing fa
400] surface mu ust be free from
owing section to k know mechanica
the stationary se eat into the cover
nsuring that the seating ring is no
n is fitted ensur re that correct e
ate seal covers ov ver the shaft 2100
acturer's instruct tions to position
Tighten any driv ve screws in the
on most cartridg ge seals should b
1220 into the be earing housing 3
MB LY OF GLAN N D P A CK ED ST
land packing 413 30 into the cove
ts in the gland pa acking by 90 degr
g halves 4134, if required, should
king.
nd 4120 squarely y against the last
ight only. Install i into bearing hou
s to hold the cove er 1220 in place.
haft 2100 rotates s freely.
MB LY AN D SET TT IN G OF IMPE
4610.1 into the i impeller 2200 usi
n place. Apply an nti‐galling compo
the impeller thre ead to help subse
er 2200 onto the e shaft 2100.
peller. Use the s same method as
te direction. A fe ew sharp strikes
MB LY OF THE B B EA RIN G ASSE
4590 into the ca sing 1100.
er‐end assembly into the pump c
galling compound d and tighten n
er clearance ag gainst original
djust as necessar ry. Refer to follow
other items have e been re‐attach
correct torques, then follow the
ation and Commis ssioning.
moved towards s the
aces and shaft [2 2100]
m scratches or o other
l seal positioning g.
r 1220 or mecha nical
ot deformed. W Where
engagement with h the
0.
the mechanical
seal
seal drive collar . For
be set after comp plete
3200 and tighte n all
UFFING BOX
r before fitting o on to
ees to each othe r.
d be positioned mid‐
t ring and tighten n the
sing assembly, fit t the
ELLER
ing a small amou nt of
ound (which does s not
equent removal.
s in disassembly y but
will tighten it to o the
EMBLY ON TO T THE
asing. Coat the s studs
uts 6580.1 onto o the
setting or pro ocess
wing section
hed and all faste eners
e instructions in n the