Applicable Systems
DR-PRO 50t
Symptoms
The crane reports uneven wire rope tension. The load ropes show uneven tension, indicating a potential rigging or mechanical issue.
Possible Causes
- Rope lengths unequal after spooling or replacement
- Rope sheave groove wear causing uneven tracking
- Load block not hanging level
Troubleshooting Steps
- Step 1: Check rope spooling on the drum for even layers
Ropes spool evenly - Step 2: Inspect sheave grooves for wear
Grooves are uniform and within tolerance - Step 3: Verify the load block hangs level
Block is level under load
How to Reset
To reset: Correct the rope tension, then clear the alarm.
Source: Demag DR Rope Hoist Manual, Demag Cranes & Components GmbH
Category: Crane