22 May, 2022

Enerpac skidding system used to replace hard-to-reach transformers

15 April, 2020

The replacement of transformers at a City of London firm required an innovative solution due to the tight access restrictions. The Lancashire-based industry moves and heavy machine lifting company, D Turner & Son, has used a combination of an Enerpac LH400 skidding system and Enerpac climbing jacks to move the four 16-ton transformers in and out of the building.

Two transformers had to be replaced in the building’s basement. Access was through a service corridor and involved negotiating a 3m drop to reach the transformers’ location. Turners used a platform supported on spreader beams and Enerpac climbing jacks and cribbing to raise and lower the transformers. Moving the 4m long, 2.2m high and 1.8m wide transformers between the platform and along the 20m access corridor was facilitated with the Enerpac LH400 system, providing an efficient method of skidding the transformers in the space available.

Lee Turner, director, D Turner & Son, said: “The LH400 skidding system was ideal for this application. It was easily transported to site and laid out in the access corridor. We used an Enerpac split flow pump to control the skidding operation.”

[subhead] Enerpac LH400 low-height skidding

Part of the Enerpac HSK-Series Skidding Systems range, the LH400 skid beams can fit in tight spaces, as small as 92mm, while still offering up to 400-ton skidding capacity with two push-pull units. The modular design comprises a series of skid beams allowing quick setup. Loads are moved by hydraulic push-pull units, travelling over special PTFE-coated pads placed on the skid tracks to reduce friction.

The skidding system’s push-pull cylinders are powered by a standard Enerpac split flow pump to ensure each skid beam travels synchronously. It also allows bi-directional operation – at full capacity, avoiding the need to reposition cylinders when switching skidding direction.

Enerpac offers several options for controlling the LH-Series skidding system including manual control and wireless control allowing the operator the freedom to view the skidding operation from multiple locations while providing complete control of all system functions.


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