Manitowoc 2250 - Breaking in Wire Rope; Anchoring Wire Rope to Button Socket; Pad Eye Usage for Wire Rope Reeving; General

Reference Only
SETUP AND INSTALLATION 2250 OPERATOR MANUAL
4-120
Published 06-24-16, Control # 241-01
Breaking in Wire Rope
After installing a new wire rope, break it in by operating it
several times under a light load and at a reduced speed. This
practice allows the wire rope to form its natural lay and the
strands to seat properly.
NOTE: Wire rope will stretch during the break-in period,
reducing the wire rope’s diameter as the strands
compact around the core.
The dead wraps of the wire rope on the drum can become
slack during operation, even if the utmost care is used during
installation of the wire rope. This slackening is caused by the
normal stretch that occurs in a new wire rope under tension
and periodically throughout the wire rope’s life from release
of the load.
When slackness is noted, tightly wind the dead wraps of wire
rope onto the drum. If left uncorrected, a wedging action with
subsequent layers will occur, and the resultant abrasion may
cause broken wires in the dead wraps.
Anchoring Wire Rope to Button Socket
See Figure 4-66 for the following procedure.
1. Remove the pin from the socket.
2. Install the button end of the load line in the socket.
3. Pin the socket to the anchor point.
4. Securely tighten the locking screw.
PAD EYE USAGE FOR WIRE ROPE
REEVING
See Figure 4-67 for the following procedure.
General
Some rotation-resistant wire rope supplied by Manitowoc
Cranes is equipped with a No. 1.5 pad eye welded to the
leading end of the wire rope.
A sucker-line can be attached to the pad eye to make it
easier to reeve the load block.
Safety
1. For the No. 1.5 pad eye, do not exceed 4,45 kN (1,000
lb) single line pull.
2. Make sure the sucker line and the rope clips are rated
for at least 4,45 kN (1,000 lb) line pull.
3. Inspect the pad eye prior to each use. Replace it if the
following occur:
• Any original dimensions have changed
• Cracks or breaks exist in the metal or weld
Button Socket Assembly
Load
Line
A1263
Button
Button
Socket
Pin
Locking
Screw
(behind)
FIGURE 4-66
WARNING
Flying Part Hazard!
Prevent possible injury. The pad eye on the end of wire
rope has been provided for reeving purposes only. Any
other use is neither intended nor approved.
The pad eye can break and fly apart with considerable
force if it is overloaded, not used properly, or not
maintained properly.