Potain MDT178 Climbing Cage
by: Steven Downes
Presented here is the 1:50th scale Potain MDT178 climbing cage
accessory to fit the MDT178 tower crane. The cage is supplied in
pieces and needs to be assembled.
The first stage is to connect the main cage frame to the MDT178
crane with the use of the supplies screws. This is made easy as the
front of the cage has an opening door and once bolted to the MDT178
crane, the two piece lower platform can be fitted to the cage by
pressing the lugs into the holes in the cage frame.
The main lift hydraulic has two flexible hoses which need
connecting the the hydraulic tank. The next step is to fit the
upper platform and access ladder. The walkways have etched mesh
panels and realistically sized metal handrails while the ladder has
a metal safety cage fitted.
The lifting mechanism is fully reproduced on the model and
features a yoke bracket fitted to the hydraulic cylinder which
connects to the hooks cast into the main mast sections which give
the leverage to climb up the frame. The clamping mechanism is also
functional, utilising a small spring and this mechanism would be
used to hold the cage once the hydraulics have raised it up by
connecting to the hooks on the mast sections.
The model is supplied with a different hook attachment and a
frame lifting monorail trolley which allows the model to be posed
with a new section of mast. This is an impressive addon for the
MDT178 and gives the model a more detailed and impressive look.