Flowserve Worthington WXB - Manual (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