Item
Check method
• Check visually.
Lifting
• Measure the shaft diameter
Shaft
with vernier caliper.
Shaft diameter
• Check visually.
Suspender
• Measure the diameter of the
hole with vernier caliper.
• Check visually.
Gear
Frame
Packing
Gear Frame
Packing
• Check visually.
Gears
and Motor
Shaft
Rotor
• To have no apparent deformation and abrasion
• The shaft with obvious deformation reaches at
the service limit.
• Abrasion limit of the shaft is 5% of its diameter
respectively.
• The Suspender must be combined securely
with the top pin and the Yoke bolt.
• Abrasion limit of the hole is 5 % of its diameter.
Hole
diameter
• To have no damage and breakage.
• To have no apparent abrasion, deformation
and damage
Motor shaft
Criteria
When failed
Replace the Lifting
Shaft.
Replace the
Suspender.
Replace the Gear
Frame Packing.
Replace the Part.
(to be continued)
2
85