Flowserve Worthington WXB User Manual download pdf (Page 29)

WXB USER INSTRUCTIONS ENGLISH - 07/14

Page 29 of 51

To ensure continuous satisfactory operation,

replacement parts to the original design specification

should be obtained from Flowserve.

Any change to the original design specification

(modification or use of a non-standard parts) will

invalidate the pump’s safety certification.

6.3.2 Storage of spares

Spares should be stored in a clean dry area away from

vibration. Inspection and retreatment of metallic

surfaces (if necessary) with preservative is

recommended at a 6 monthly interval.

6.4 Recommended spares

Spares Recommended

Part Start up Normal Maintenance

No.of identical pumps 1 - 3 4 - 6 7+ 1 - 3 4 - 6 7 - 9 10+

Case 1

Head (case cover and stuffing box) 1

Bearing housing 1

Shaft (w/key) 1 1 2 1

Impeller 1 1 2 3

Wear rings (set) 1 1 1 1 1 2 3

Bearings complete (antifriction,radial) 1 2 3 1 2 3 3

Bearings complete (antifriction,thrust) 1 2 3 1 2 3 3

Mechanical seal complete (Cartridge) 1 2 3 1 2 3 3

Shaft sleeve and interstage bush (set) 1 2 3 1 2 3 3

Gaskets, O-rings (set) 1 2 3 1 2 3 3

Balance drum and drum head (set) 1 1 1 1 1 2 3

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 50 51

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Flowserve Worthington WXB User Manual Page 29