| Alatas Service | Field Service |
| Location | Montrose, Scotland |
| Crane Type | MacGregor Hydramarine |
| Crane Model | HMC 3537LKO 250-30.0(500-15.0) AHC |
This MacGregor crane sheave removal in Montrose, Scotland, was performed by our expert engineers over the course of two days aboard the client’s vessel. The team from Alatas UK met with the chief engineer and planned the SOW to take place the following morning, which was completed smoothly.
Job Scope for MacGregor crane sheave removal Scotland
- Change out of main rope sheaves.
- NDT on both sheaves pins after removal
- Inspection on sheaves after changeout
- Set up of cordoned-off safe working load test area
- Full load test
- Post load test inspection
- NDT of sheave and boom head
- Completion of critical path inspection and test and inspection passed.
Job Gallery
Damage to sheave Removal of front sheave pin Front sheave pin after clean up and inspection. Some pitting on pin (serviceable) Removal of front sheave pin Rear sheave pin removal Rear sheave pin after clean up and removal, some pitting found on pin New front sheave fitted and pin secured with new M30 retaining bolts. Sheave bearing pin greased and checked over. New rear sheave fitted and pin secured with new M30 retaining bolts. Sheave bearing pin greased and checked over. Water bag filled to 50T as per Load Test instructions in 5T increments. Load cell compared to SLI system was correct. Carried out at minimum radius 7.9m and held in position for 10min. No creep occurred. Bag then filled to 55T, SLI Alarm sounded at 100% Alarm tested ok. Luffed to radius of 15m and held for 10min to confirm no creep. No creep occurred. Tonnage of SLI fell to 47T Brake test carried out by quick releasing the control levers to the neutral position.
