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MVA 02 rev 5 - December 2017
6.2.4
Dimensional checks
CHECKLIST
– DIMENSIONAL CHECKS ON COMPONENTS
COMPONENTS TO
CHECK
TYPE OF
CHECK/INSTRUMENT
CRITERIA FOR
ACCEPTABILITY
RESULT
Impeller: presence of
scratches or grooves on
surfaces
Visual
Undamaged
OK
Casing: sheeting
thickness
Dimension/Caliper
or
equivalent
Reduction of thickness no
greater than 10% in an
area without wear
OK
Intake: thickness (if
present)
Dimension/Caliper
Reduction of thickness no
greater than 20% in an
area without wear or with
paint undamaged
OK
Anti-vibration joints:
thickness of anti-wear
sheeting (if present)
Dimension/Caliper
Reduction of thickness no
greater than 20% in an
area without wear or with
paint undamaged
OK
Welding (entire structure)
Visual
Absence of damage and
cracks
OK
Date:
Signature:
