12 maintenance schedule – COMEUP DHC Hoist (Ver:03) User Manual
Page 14
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12
Maintenance Schedule
1. Ensure that a responsible person carries out all inspections as per schedule.
2. Inspections are dived into Daily, Monthly and Quarterly.
3. Always keep the hoist and accessories free of dirt, oil, grease, water and other substances.
Classification of check
Item
Checking
method
Checking reference
Daily
Periodical
Monthly Quarterly
Installation Mounting bolts &
alignment
Bolt tension
& wear
Existence of
abnormalities
Remote
control /
contactor
Working
Manual
Reasonable actuation
Wearing in contact
points
Visual
Free of wear or damage
Wire rope
Broken strands
Visual,
measuring
Less than 10%
Decrease in rope
diameter
Visual,
measuring
7% of nominal diameter
max
Deforming or
corrosion
Visual
Existence of
abnormalities
Fastening condition
of end
Visual
Existence of
abnormalities
Wirings Fastening condition
of terminals
Visual
Free of corrosion and
tightening terminals
Motor
Staining, damage
Visual
evidence of
wear
Existence of
abnormalities
Brake
Wearing of lining
Visual
evidence of
wear
Free of wear or damage
Performance
Visual
Reasonable actuation
Gear train Damage, wearing
Damage,
wearing Free of wear or damage
Housing
Tie bar
Visual
Mounting surface is flat
to within ± 0.5 mm
Support racks
Visual
Free of bent or crack