Many of you asked for it over the winter, but doing it right is a bit of work and skiing always got in the way. Finally got it done… Enjoy! For the complete article click here.
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| Photos illustrating our DIY instructions for Dynafit disassembly and assembly include this breakdown of internals with names. Full article. |
9 Responses to “Dynafit Heel Unit Breakdown and Assembly Instructions”
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Lou
You have finally convinced me to purchase Dynafit! Which model would you reccomend for New England trail sking with Tuckermans thrown in during the Spring. As I get older Their seems to be less time to stay in shape but……. more money to by lightweight equipment.
Thanks, Roy
Roy,
If you’re doing mostly trail skiing I’d just go with the TLT, but if you want to use wider skis consider going with either Comfort or ST as both have more height off ski which helps control wider skis.
Lou,
Thanks for another cool how-to. The simplicity of the Dynafit binding is astounding. Did you ever find an outlet for the recommended non-lithium grease used to lube the binding?
nice info!
I have the old TLT bindings mountined on my big stiff skiis, and when working rebound in deeper snow, I come out of the heel pieces way too easily. I sent 1 ski about 700 m down a glacier toward Saas Fee this spring, but luckily it stopped short of a cravasse!
I suspect the short pins on this model, combined with the 2-3 mm “button” on the front of the heel piece (down below the pins), limit pin insertion into the boot (even with proper shim spacing), and deep flex- rebound may flex the pins clear from the boot heel.
Dynafit says I cannot substitute the longer comfort model pins.
A local shop says I can dremel off the “button” from the heel piece plastic, then shim from a smooth heelpiece for deeper pin insertion to remedy.
What does this “button” in front of the heel piece do?
Does it appear if I dremel off the button that the heel piece will be excessively weakened?
Since the newer comfort model heelpiece is smooth (actually concave for heel clearance), it appears this may be a “makes sense” modification.
Morrone, the button is there for legal reasons, because as the ski flexes and the pins slide in and out of the boot heel fitting, it changes the DIN setting slightly. With the button, it limits the movement. This is according to a very expert inside source. Perhaps as expert as it’s possible to be (grin). At any rate, I dremel all those stupid buttons off my bindings and have never had any problem. Just leave a tiny bit of plastic above the surface of the housing and you should be fine. This mod is of course done at your own risk of death and dismemberment, not to mention voiding the warranty.
Hey Lou I have a Dynafit problem. When doing some dry land testing of my new Radiums in my bindings I noticed that when I flex forward one of my heel pieces kind of clicks and give just a touch. If I manually pull upward on the heel piece it does the same and wants to rotate one way just a touch. The other one doesnt do this at all, it spooks me a bit. Any ideas? Thanks!
Probably your thimble bushing, see FAQ via menu at top of page…or use my site search, which works quite well…
Hi Lou,
I now have a Dynafit problem that I shouldn’t have. After 6 years of use I decided to do a heel unit breakdown for inspection and relube on my TLT Classics. All went well on the first one but on the second unit one of the front screws holding the top plate broke (very easily I might add) when I tried to remove it. Unfortunately it broke flush with the bottom of the recessed hole, right where the screw bites into the plastic housing. As you would expect, no amount of careful drilling was successful in removing the broken part. As a tradesman I’ve removed many broken bolts but never one in plastic or one this small.
Any ideas?
I’m hoping I can get a replacement plastic body for this unit somewhere but no luck yet.
BTW, Wildsnow is one of the very best sites on the entire internet. Extremely useful and entertaining.
Thanks for all your efforts at supporting the backcountry ski community.
Ken, the screw would have broken no matter what, very common with older used up Dynafits. I’ll ask around about a spare binding housing. Please email me using the contact link above.