| Alatas Service | System Upgrades, Field Service |
| Location | Wilhelmshaven → Bremerhaven, Germany |
| Vessel Type | Bulk Carrier |
| Client | Maersk |
| Crane Manufacturer | Ningbo Kairong Ship Machinery |
| Crane Model | N688-TCVD-M-022D-001 |
For this Ningbo Kairong engine room crane upgrade, our team in Germany visited the Maersk vessel on two occasions. Firstly in Wilhelmshaven to deliver new parts, and, after a conversation with the vessel’s 2nd Engineer, to carry out additional work required and perform tests at Bremerhaven.
Job Scope
Mechanical Upgrade
- Removed old hoist motors from trolley
- Removed old brake. (will not be used, New motor got proper brake inside..
- Installed new motors in place and tightened all fixing bolts.
- Fit both switchboards together and fit them on the support bars.
- Fit cable trays, new converters and DIN rail onto the mounting plate.
Electrical Upgrade
- Removed old converter cards from trolleys and disconnected all electrical wiring..
- Installed new motor cable additionally to the existing cable.
- Changed some existing wiring to drive trolley 1 when trolley 1 is selected.
Commissioning and Adjustment
- Measured all electrical connections to prevent faulty connections.
- Switched and measured all fuses one by one.
- Commissioned converter cards with laptop
- Delivered emergency operation handle on board
Job Gallery of Ningbo Kairong Engine Room Crane Upgrade
Old motor in place New motor installed Machined flange adapter Trolley plugs after rewiring Original wired plugs for trolleys Mounting plate with installed converters and other parts Old and new installed switchboards with ventilation and status indication Delivered Emergency operation handle Trolley 1 after upgrade Trolleys with new motors and installed interface cable Newly installed brake choppers (resistors) Newly installed switchboard with ventilation 115V, fuses, contactors, transformer 460V/115V, service socket 115Vand technology converters.
