8 Trouble-shooting
54 of 72
Vitachrom
A B C D E
F G H
I Possible cause
Remedy
12)
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- Wear of internal components
Replace worn components by new ones.
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- Pump back pressure is lower than
specified in the purchase order.
Re-adjust to duty point.
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- Density or viscosity of fluid handled
higher than stated in purchase order
Contact KSB.
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- Defective gasket
Fit new gasket between pump casing and
discharge cover.
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- Worn shaft seal
Fit new shaft seal.
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- Score marks or roughness on shaft
Fit new shaft.
Fit new shaft seal.
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- Vibrations during pump operation
Correct the suction conditions.
Increase the pressure at the pump suction
nozzle.
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- Insufficient or excessive quantity of
lubricant or unsuitable lubricant.
Top up, reduce or change lubricant.
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- Rotor out of balance
Clean rotor.
Re-balance rotor.
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- Incorrect setting of motor protection
switch
Check setting.
Fit new motor protection switch.
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- Axial clearance (specified = 0.7 mm) is
too narrow.
Adjust axial clearance to 0.7 mm
(minimum).
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- Axial clearance is too large.
Adjust axial clearance to 0.7 mm.
Summary of Contents for Vitachrom
Page 1: ...Hygienic Pump in Close coupled Design Vitachrom Installation Operating Manual ...
Page 68: ...Index 68 of 72 Vitachrom W Warnings 7 Warranty claims 6 ...
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