KITO Harrington RY Series, Owner'S Manual

Page: 54 / 120

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Table 5-5 Hoist and Trolley Inspection Methods and Criteria
Item Method Criteria Action
Wire Rope -
Twisting Visual

Run the hoist into the highest and lowest
hook positions without load.

If any twisting is detected , untwist the rope
immediately. See
Section 6.6 “Wire Rope
Reeving and Anchorage””

Inspect the condition of the rope (especially
near pulleys and rope anchorage. See
Table
5-7 “Wire Rope- Condition”, “Wire Rope –
Diameter”, “Wire Rope-Broken Wires or
Strands”)
Replace as
required.
Wire Rope -
Lubrication Visual The wire rope must be maintained in a clean and
well lubricated condition. Clean/lubricate
(see
Section 6.2 ).
Trolley Side Plates Visual Must be free of significant deformation Replace
Trolley Wheel –
Condition Visual Trolley Wheel should be free of significant wear,
cracks, nicks and gouges. Replace.
Trolley Wheel –
Tread Visual, Measure The diameter and width of the tread surface
should not be less than the values listed in
Table
5-11 . The diameter should not be less than 10%
of its original diameter as new.
Replace.
Trolley Wheel –
Gear Visual Teeth should not be cracked, damaged, or
excessively worn. Replace.
Trolley Motor
Brake Visual Braking action should not be overly abrupt and
should not allow excessive drift. The Brake Disc
wear “T” wear should not be less than maximum
value listed in T
able 5-12.
Replace.
Sheaves Visual Sheave should be free of significant wear. The
wall thickness, “B”, should not be less than the “B
min” values in
Table 5-10 . The groove depth, “A”,
should not be greater than the “A Limit” value
listed in
Table 5-10 . They should also be
checked for easy running, indicating that the ball
bearings are in good condition.
Replace.
Warning Labels Visual Warning Labels should be affixed to the hoist (see
Section 1.2 ) and they should be legible.
Replace
Hoist Capacity
Label Visual The label that indicates the capacity of the hoist
should be legible and securely attached to the
hoist. Replace