Condition overview

The Condition overview section gives you an outlook to the current condition of the hoist and its components.

Figure 1. Condition overview example


Hoist condition

On the left, the percentage and the pie graph present the remaining DWP% (design working period) of the hoist.

The remaining hoist DWP% is an overall value that reflects the remaining theoretical service life of the hoist. The value that is shown here is either the DWP% for running hours or the DWP% for hoisting cycles, whichever is lower. That way, the value is affected by running hours, hoisting cycles, and loads.

If you spot an unusually fast decline in the hoist DWP%, you should be concerned about premature wear of the hoist and its components. The recommended actions are as follows.

  • Conduct an application study to determine whether the hoist suits the current production and operating demands
  • Consider having a crane reliability survey and a critical component assessment
  • Modify the inspection and preventive maintenance schedule based on actual usage
  • On or before reaching the end of the DWP, replace the hoist or conduct a general overhaul

Lowest component conditions

The bar graph on the right presents the hoist components that have the lowest remaining service life estimates. The data is presented as follows, depending on the number and condition of the monitored components on the hoist.

  • If there are one to four components, all components are shown.
  • If there are more than four components, three components with the lowest remaining service life estimate are shown as a general rule.
  • However, all components with low (10% to 30% of remaining service life left) or critical (less than 10% of estimated service life left) condition are always shown.

A full list of components and more details is available in the Condition details view. Tap View details top right to get there.