COMEUP Heavy Duty DC Hoist (Ver:01) - Manual (Page 13)

VII.Checking Reference
11
1. Ensure that a responsible person carries out all inspections as per schedule.
2. Inspections are dived into Daily, Monthly and Quarterly.
3. Keep the hoist and accessories free of dirt, oil, grease, water and other substances.
Classification of checks
Checking item Checking method Checking reference
Daily
Periodical
One
month
Three
month
One
year
Installation
Loosing and
center run-out
foundation
Checking of in
stalling bolts
Existence of
abnormalities
Pendant
switch
Working Manual Reasonable actuation
Wearing of
contact point
Decomposition
checking
To be free from
remarkable wearing and
damage
Outer damage
of cable
Visual
To be free from exposure
of conductive wire
Motor
Condition of
insulation
Measure with
resistance tester
1m
Staining
damage
Decomposition
checking
Clean carbon powder
Carbon brush
worn out
Decomposition
checking
Change it at fixed periods
Brake
Wearing of
disc, ratchet
and click
Decomposition
checking
Free from remarkable
wear and damage
Performance Visual
Distance within 1.5% of
rope length in 1 minute
Gear
Damage,
wearing
Decomposition
check
Free from remarkable
wear and damage
Condition of oil
feeding
Measuring
Existence of suitability of
amount and deterioration
Wire
rope
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
Condition of
rope winding-
in
Visual
To be free from irregular
winding