6
Classification of checks
Checking Item
Checking Method
Checking Reference
Daily
Periodical
One
month
Three
month
One
year
◎
Breaking of base wire
Visual
Less than 10%
◎
Decreasing of diameter
Visual
7% of normal diameter
max
◎
Kink phenomena
Visual
To be free from kink
phenomena
◎
Wire
Rope
Deforming or corrosion
Visual
To be not remarkable
◎
Fastening condition of end
Visual
To be sufficient for
hanging up of load
◎
Condition of rope
winding-in
Visual
To be free from irregular
winding
◎
◎
Drum
Drum and flange
Visual
No deformation
◎
Wear of drum
Visual
To be free from
remarkable wearing
◎
Switch
Wire
Visual
No damage
◎
“IN” and “OUT”
Visual
No abnormality
◎
Working direction
Visual
No abnormality in lifting
◎
Operation
Abnormal sound
Hear out
No abnormal sound
◎
Over load test
Working
Existence of abnormalities
