Navigation
UMA1 assembly and step block
Attaching the UMA1 assembly to the rail
1. Insert the D-nut into the grove on the underside of the MRS2 rail by rolling into place.
2. Align the UMA1 assembly and the screw with the threaded hole in the D-nut.
3. Screw in to place and tighten fully.
Installing a step block into a UMA1
1. Loosen the screw and slide the clamp back towards the rail.
2. Insert the step block into the UMA1 with the steps facing the rail.
3. Slide the clamp forwards until it is pressing against the step block. Retighten the screw whilst holding the clamp firmly in place.
