Field Service

Overhaul Rexroth Pump on Demag Crane

Region: South Korea Manufacturer: Rexroth, Demag Model: A2V, AC1000 Service: Overhaul Alatas Service Field Service Location South Korea Crane Manufacturer Demag Crane Model AC1000 Mobile Crane Pump Manufacturer Rexroth Pump Model A20V A South Korean customer tasked us with the overhaul a Rexroth A20V pump of a Demag AC1000 mobile crane. After reworking, Alatas Singapore …

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Mitsubishi crane winch replacement

Mitsubishi Crane Hoist Winch Replacement

Alatas Service Field Service Location Indonesia Crane Manufacturer Mitsubishi This Mitsubishi crane winch replacement a of hoist winch was carried out at Banjarmasin Anchorage in Indonesia. The deck crane was experiencing a hoisting problem as the winch was not moving during hoisting as well as an abnormal sound coming from the mechanism. Job Scope for …

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Heat Treatment on Offshore Crane Structures

Alatas was asked to assess the damage to a boom foot section after an accidental impact which caused the part to bend backwards on a LeTourneau crane. The assessment found that no cracks to the material or welding were caused. So heat treatment with indirect mechanical force to straighten the boom was recommended.  For this …

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Crane Boom Repair

Crane Boom Repair

After a human error, the boom of Crane-1 fell down to the deck during a routine maintenance procedure. The boom was caught by the cargo runner, causing the boom to collapse halfway. As well as the serious damage to the boom chords, the boom head suffered significant damage as well. Alatas was requested to conduct …

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Mitsubishi crane hydraulic repair

Mitsubishi Crane Slew Bearing changeouts

Region: Singapore Manufacturer: Mitsubishi Alatas Service: Field Service Alatas Singapore recently carried out the replacement of four sets of crane slew ring bearings for Mitsubishi deck cranes at our Singapore anchorage. Alatas was able to source and supply the bearings in a short space of time (approximately 3½ months) and installed them on the Mitsubishi …

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Crane Boom Finite Element Analysis FEA

Job Scope Inspection of crane NDT of critical welds Ultrasonic measurement of wall thickness reduction Generation of boom CAD model with effective corroded wall thicknesses Finite Element Analysis of corroded boom according to Lloyd’s Register “Code for Lifting Appliances in a Marine Environment 2016.” Revised load chart approved by Lloyd’s Register Steel repairs of the …

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Seatrax 7226S Commissioning

Alatas Service Parts Supply, Field Service Location Indonesia Crane Manufacturer Seatrax Crane Model 7226S Our client engaging in a drilling campaign that requires a larger capacity crane to be installed. The crane will be added onto the platform to complement the existing crane and allow for the installation of the coil tube drilling tower above …

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Reactivation of S-Lay Pipelay

Alatas Service Field Service Location Ghana, Indonesia Vessel Type S-Lay Pipelay Crane Manufacturer Merwede, Husiman The Lewek Centurion (now Star Centurion) is a sophisticated S-Lay Pipelay Vessel with DP2 dynamic positioning capability. The vessel is equipped with the following Offshore Cranes, Overhead cranes, A-Frame crane, lifting gear and Stinger: Vessel Equipment List 1 x Kenz …

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Tsuji slewing bearing changeout

Tsuji Slewing Bearing Changeout

Alatas Service Field Service Location Singapore Vessel Type Transhipper Barge Crane Manufacturer Tsuji Crane Model BEIS-3526 (35Tx26M) Other Equipment Fuji Electric Frenic 5000VG7S Inverter Drive A client required this Tsuji slewing bearing changeout on their Transshipper Barge. The vessel was equipped with two heavy-duty Tsuji 4-rope crane units. Both are type BEIS-3526 (35Tx26M) with fully …

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IHI Crane Motor Changeout

Alatas Service Field Service, System Upgrades Location Singapore Crane Manufacturer IHI-Wuhan Crane Model SS360200-280B This IHI crane motor changeout was for Crane-3 on board our client’s vessel. An IHI-Wuhan crane (type SS360200-280B) had suffered electric burn damage to its main motor. The crane’s construction didn’t allow for the E-motor (140 kW) to pass through the …

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