HOISTS 18000 SERIVCE/MAINTENANCE MANUAL
5-16
Published 12-05-17, Control # 035-23
- End fitting wear/abrasion
- Minor or general corrosion
- Areas that deteriorate more rapidly, such as the
flange points, the crossover points, and the
repetitive pickup points on drums
- Take special care to observe the boom hoist ropes
and rotation-resistant ropes for evidence of core
failure or other deterioration (remove from service)
- Internal deterioration of rotation-resistant ropes may
not be readily observable
2. Throughout the day, observe the wire rope during
operation, particularly:
- Pick-up Points—Sections of the wire rope that are
repeatedly stressed during each lift, such as the
sections that are in contact with the sheaves
- End Attachments—The point where a fitting is
attached to the wire rope or the point where the wire
rope is attached to the drum.
- Abuse Points—The point where the wire rope is
subjected to abnormal scuffing and scraping.
Item Description
1 Dog-Leg or Kink
2 Drum Abrasion
3 Drum Crushing
4 Sheaves Too Small
5Corrosion
6 Bird Cage (sudden release of load)
FIGURE 5-11
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