IMT 5005i - Wire Rope Lay; Additional Inspections

Oshkosh Corporation Classification: Unrestricted
50 IMT Electric Cranes Operation & Safety Manual # 99904381
Wire Rope Lay
Wire rope “lay” indicates the directions strands
lay in the rope - right or left. When you look
down a rope, strands of a right lay rope go
away from you to the right, like a right hand
screw thread. Left lay is the opposite, and
corresponds to a left hand screw thread.
You must choose the correct lay for your winch drum to avoid winch spooling problems and rope
which does not lay correctly. Use the following graphics to help in selecting the correct wire rope
based on the direction of drum winding.
RIGHT LAY-
OVERWIND
RIGHT LAY-
UNDERWIND
LEFT LAY-
OVERWIND
LEFT LAY-
UNDERWIND
Additional Inspections
Every three months, and more frequently when the equipment is subject to heavy usage,
perform the following inspections in addition to those specified in the Crane Inspection Checklist
in the Reference Section.
LOWER AND EXTENSION BOOMS
1 Check structural defects evidenced in weld cracks, dents or bends.
2 Check slide pads for wear.
3 Check lower and extension cylinder pins for proper installation. Check hinge pin bushings
for excessive wear.