Every 6 months
* Inspection record
should be kept.
Inspection Timing
- 34 -
Part Name
Drive magnet unit
Rear casing,
Rear casing cover
Magnet capsule unit
Impeller
Front casing
Split plate
Check Points
a
Are there slide-scratches?
a
Is housing fixed normally? Is hex socket set screw loose?
a
Are inner perimeter of magnet and motor shaft coaxial?
(Max. eccentricity: 1/l0 mm)
a
Are there slide-scratches?
a
Are there cracks on liquid end part?
a
Stains in rear casing.
a
Expansion of gasket or cracks.
a
Are there a slide-scratches in the rear section or in the
cylindrical body?
a
Are there cracks in resin of rear section or in cylindrical
body?
a
Wear of sleeve or cracks. (Measure dimensions.)
a
Expansion of O ring or cracks.
a
Wear of thrust bearing. (Measure dimensions.)
a
Are there cracks?
a
Are there cavitation marks?
a
Stains or clogging inside impeller.
a
Dimensional change in impeller.
a
Clogging balance hole.
a
Stains in liquid contacting part.
a
Are there cracks?
a
Is drain clogged?
a
Are there expansion or cracks on gasket?
a
Slide-scratches in unlikely position.
a
Stains in liquid contacting part.
a
Are there cracks?
a
Slide-scratches in unlikely position.
a
Wear of bearing or cracks. (Measure dimensions)
a
Wear of thrust bearing or cracks. (Measure dimensions)
