Flowserve T-series Thrust Bearing Pot - Manual (Page 15)

USER INSTRUCTIONS T-SERIES THRUST BEARING POT ENGLISH 26999907 01-2013
Page 15 of 24 flowserve.com
6.4 Tools required
Standard tools needed to maintain this pump
are follows.
•
Open ended spanners / wrenches (standard
size range)
•
Socket spanners / wrenches (standard size
range)
•
Allen keys / wrenches
•
Standard range of screw drivers
•
Soft mallet
Other tools may be required depending
on the accessories/ special parts used per contract.
Flowserve in general is not obligated to ship the
tools with any pump shipped
6.5 Fastener torques
Diameter
mm (in.)
Tightening torques Nm (lbf•ft))
Carbon steel
High tensile
steel
Martensitic
stainless
steel
Austenic
stainless
steel
7 (0.28) 2 (2) 10 (7) 7 (5) 5 (4)
8 (0.31)
9 (0.35)
5 (4) 19 (14) 15 (11) 10 (7)
10 (0.39) 9 (6) 28 (21) 22 (16) 15 (11)
12 (0.47) 13 (10) 48 (35) 37 (27) 24 (18)
14 (0.55) 20 (14) 70 (50) 55 (40) 37 (27)
16 (0.63)
18 (0.71)
40 (30) 142 (104) 110 (70) 70 (50)
20 (0.79)
22 (0.87)
67 (50) 238 (176) 183 (135) 122 (90)
24 (0.94) 110 (80 378 (279) 293 (216) 195 (144)
27 (1.06) 160(120 580 (428) 452 (33) 299 (221)
30 (1.18) 260 (190) 920 (680) 710 (530) 470 (350)
33 (1.30) 360 (270) 1 300 (940) 1 000 (740) 660 (490)
36 (1.42) 480 (360) 1 700 (1 260) 1 340 (990) 890 (650)
39 (1.54) 580 (430) 2 080 (1 530) 1 600 (1 180) 1 070 (790)
42 (1.65) 800 (590) 2 200 (1 600) 2 200 (1 600) 1 400 (1 080)
45 (1.77) 970 (720) 2 800 (2 000) 2 800 (2 000) 1 900 (1 400)
48 (1.89) 1 400(1 000) 3 800 (2 800) 3 800 (2 800) 2 500 (1 800)
52 (2.05) 1 500 (1 100) 4 150 (3 000) 4 100 (3 000) 2 700 (2 000)
6.6 Disassembly
Refer to Safety (1.6) section before
dismantling the unit.
Before dismantling the Thrust
bearing pot for overhaul, ensure genuine Flowserve
replacement parts are available.
Refer to sectional drawings for part numbers and
identification. See section 8, Parts lists and drawings.
Disassembly is generally the reverse process to
those described below in section 6.8, Assembly.
6.7 Examination of parts
Used parts must be inspected
before assembly to ensure the unit will
subsequently run properly. In particular, fault
diagnosis is essential to enhance unit and plant
reliability.
6.8 Assembly
To assemble consult the sectional drawings. See
section 8, Parts lists and drawings.
Ensure threads, gasket and O-ring mating faces
are clean. Apply thread sealant to non-face sealing
pipe thread fittings.
In all cases and whenever an overhaul is made, the
pot will have to be assembled again. The
assembly procedures are described below.
6.8.1
Thrust bearing pot assembly - 7000s
series
a) Press the bearing [3010] onto the centering
sleeve [2470] using a hydraulic press.
b) Thoroughly clean the bearing housing [3200].
Install the oil retaining sleeve [3860]. Use an
oil and heat resistant sealing compound
(LOCTITE 641 or equivalent) to seal the
bearing housing [3200] and oil retaining sleeve
[3860].
c) Install the oil level sight glass [3858].
d) Install the washer [2905] and screws [6570.1a].
e) Install the assembly [3010 and 2470], from a)
above, into the bearing housing [3200]. Leave
some clearance between the bearing housing
[3200] and the outer race of the bearing [3010].
f) Apply mineral oil in the bearing cover groove
[3260]and install the felt ring [4320].
g) Install the assembly [3260 and 4320] from step
f) in the bearing housing [3200].
h) Install the holding screws [6570.1] in the
bearing housing/bearing cover.
i) Install the vent plug [6521].
Assembly of the pot is now completed. For
installation onto the pump proceed as in section 4,
Installation.
6.8.2
Thrust bearing pot assembly - 7000s
series with optional Bearing
Gard™/Lifeseal™ sealing
a) Press the bearing [3010] onto the centering
sleeve [2470] using a hydraulic press.
b) Install the oil level sight glass [3858].
c) Install the washer [2905] and screws [6570.1a].