Flowserve T-series Thrust Bearing Pot User Manual download pdf (Page 11)

USER INSTRUCTIONS T-SERIES THRUST BEARING POT ENGLISH 26999907 01-2013

Page 11 of 24 flowserve.com

Non-metallic Bearing Gard™ ll

e) During installation, simply discard any O-ring

material pinched or sheared by the bore. Make

sure the face is perpendicular to the shaft.

f) Once a Bearing Gard™ is in place you may

remove and plug the bearing housing vent.

Bearing Gard™ is self-venting and will not

allow pressure build up in the housing.

Plugging the bearing housing vent will reduce

the entry of contamination into the housing.

g) Refill the bearing housing to the correct oil

level.

4.2.3 General tolerance information

Shaft tolerance: ± 0.05 mm (± 0.002 in.)

Axial run-out: ± 0.075 mm (± 0.003 in.)

Bore tolerance: ± 0.025 mm (± 0.001 in.)

Radial run-out: ± 0.13 mm (± 0.005 in.)

4.3 Optional Lifeseal™ installation

4.3.1 Preparation before installation

a) Check to ensure the housing bore is free from

contaminants, nicks and burrs or sharp edges.

b) Check the shaft and remove any burrs or sharp

edges that may damage the rotary O-ring as

the Lifeseal™ [4330.1] slides over the shaft.

c) Concentricity of the housing bore to the shaft is

to be maintained within 0.13 mm (0.005 in.)

T.I.R.

4.3.2 Lifeseal™ installation

a) Using the water-soluble lubricant provided,

lubricate the stationary unit outside diameter

O-ring and the rotary unit inside diameter O-

ring.

b) Slide the Lifeseal™ [4330.1] along the shaft

and evenly press the unit into the housing bore

until the shoulder on the stationary unit bottoms

out on the face of the housing. During

installation, simply discard any O-ring material

pinched or sheared by the bore. Make sure the

face is perpendicular to the shaft.

c) Evenly tighten the six set screws in the rotary

unit to secure the seal to the shaft.

d) Remove the bronze setting clips and clip bolts

from the Lifeseal™ [4330.1].

4.3.3 General tolerance information

Shaft tolerance: ± 0.05 mm (± 0.002 in.)

Axial run-out: ± 0.075 mm (± 0.003 in.)

Bore tolerance: ± 0.025 mm (± 0.001 in.)

Radial run-out: ± 0.13 mm (± 0.005 in.)

4.4 Thrust bearing pot installation

with optional Bearing

Gard™/Lifeseal™ sealing

Pots are either delivered to the customer fully

assembled except for the oil/cooling piping

extension, or pre-installed in the pump.

Before installation remove all items from the pump

discharge head.

a) Remove any debris and thoroughly clean the

surface receiving the pot and the exposed

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Flowserve T-series Thrust Bearing Pot User Manual Page 11

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