Flowserve T-series Thrust Bearing Pot User Manual download pdf (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)

(

1.77

)

(

720

)

2 80

(2 0

)

2 80

(2 0

)

1 9

400

)

48 (1.89)

1 400(1 000)

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].

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Flowserve T-series Thrust Bearing Pot User Manual Page 15

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