Technical Tips For Mono-skis

Pinning a Binding

Fig. A
Fig. B

Drill front binding for pin
Drill for PIN

First to prevent the toe of your sitski boot from a "Twist" we will insert a pin. For this instruction we will use a .25 inch diameter by 1 inch long stainless steel pin through the front binding and into the ski. See Fig. "A" We first drill through the binding, in the center of the width of the binding, about .5 of an inch back from where the tip of the boot will contact the binding. Use a stop collar on the drill bit if you are doing this on a binding already mounted to a ski so you don't drill through the ski. I drill the binding separate and then mount it. After the binding is mounted I use the hole for the pin as a guide and drill about .375 deep into the ski. Clean out all the debris then add a good water sealing glue to the hole and press the pin home. There needs to be a slot in the tip of the boot to receive this pin.

Drill & TAP front binding for pin

Drill for TAP or for PIN

You can also drill and tap a hole into the binding and ski and use a cap screw. On some bindings like Salomon race bindings, you can loosen up the DIN for the toe all the way until the spring comes out, and replace the spring with a piece of bar stock or pipe of the same diameter and a little shorter then the spring. There is also the fork method. This is not pinning a all. If you apply a type of fork to your sitski boot that will warp around the binding and ski, or just the ski, this will also prevent twisting out of the binding, however a wide body ski might not fit your fork.

Drill the rear binding

Drill the rear Binding

Now lets pin the rear binding. Mount the binding to a good square block so you can drill through it from one side to the other. If the binding is mounted to a ski, clamp the ski to a block so it is square and level then drill. You can drill with a hand drill, but take your time and drill a straight hole. Here you will see it done on a drill press. Most rear bindings have two main moving parts. The heel cup and the heel lever. These two parts will work separately of each other. Make sure your pin stops the movement on the heel cup. The heel cup is the piece that clamps down and makes contact with the heel you're your boot. Also, very important! Make sure the binding is in the closed or locked position before you drill.

More photos are here

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