WIK USER INSTRUCTIONS ENGLISH BO2662 5/09
Page 74 of 76
10.3
Operating specification
PUMP SERIAL NUMBER BXXXXX-01
Pump design clearances are listed below. Use these clearances for restoration when clearances have
increased approximately 50% as evidenced by a decrease in performance or excessive vibration
Metric
English
Baseplate Installation
mm, °C
Inch, °F
Grout space above foundation (minimum)
25.4
1.0
Leveling Gradient
.03 per 305
.001 per 12
Centerline misalignment of multiple baseplates
.25
.010
Shaft Coupling
Straight Coupling removal/installation heat
177
350
Maximum TIR in all planes of connectable shafts
.05
.002
Dimensions
Min.
Max.
Min.
Max.
Rotor shroud p
osition (Dimension “X”)
.00
0
Rotor axial movement (thrust bearings removed)
(minimum)
9.53
.375
Thrust bearing axial clearance
.00
.00
0
0
Deflector ring axial position clearance
1.52
.060
Impeller wear surface removal, maximum for truing
1.52
.060
Rotor centering at seal bores, maximum TIR
.03
.001
Runout, maximum TIR
Bare shaft in V-blocks
.03
.001
Rotor
.05
.002
Wear rings and bushings
.05
.002
Thrust collar face
.013
.0005
Thrust collar outer diameter
.140
.0055
Running Clearances, diametrical
Min.
Max.
Min.
Max.
Journal bearing to shaft. see Table 10-1 this section
Oil baffle.
see Table 10-1 this section
Suction Impeller
drive end
.25
.00
.010
.000
Suction Impeller
non drive end
.00
.00
0
0
Radial Impeller
drive end
.00
.00
0
0
Radial Impeller
non drive end
.00
.00
0
0
Pressure reducing sleeve
.00
.00
0
0
Part-to-Shaft fits
Min.
Max.
Min.
Max.
Suction Impeller, drive end
interference fit
.000
.000
0
0
Radial Impeller, drive end
interference fit
.000
.000
0
0
Pressure reducing sleeve
interference fit
.000
.000
0
0
Thrust collar
interference fit
.000
.000
0
0
Part-to-Part fits
mm, °C
Inch, °F
Suction spacer, intermediate cover, discharge cover
interference fit
0
0
0
0
Destaging spacer
.03
0
‘Cover-to-case gap shall be parallel all around within
.25
.002
Cover-to-Case Nut torque procedure
See procedure in this section 6.5.1
Pump Foot Hold down Bolt torque procedure
See procedure in this section 6.5.2
Part removal heat, maximum
°C
°F
Impeller
316
600
Pressure Reducing Sleeve
316
600