Ever been on a climbing trip and have your favourite cam blow a wire? Well here's how you can make an emergency repair.
Replacing the trigger wires in a Cam
In spite of the looks, this repair is surprisingly robust! I repaired this cam in the field over 5 years ago and have not done anything more apart from melt the blobs every now and again. |
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Some cams do not have a rigid head to support the cam lobes and rely on the stiff trigger wire to keep the lobes in position. I use a bit of elastic bungee cord to pull back the trigger bar. This keeps it in tension and give the whole unit some support. ( See Fig. 3) Fig. 4 shows bits of an emergency repair kit I will take with me on a long climbing trip. If you haven't got that, use your imagination and improvise with what you can find. Note: Click on the pictures for an enlargement ( 500kb) |
Using heavy duty garden wire
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Wilko's finest Heavy Duty Garden Wire. Look for something 1.5mm - 1.8mm in diameter - Tough but still easy to work with a pair of pliers. ( See Fig. 7) Hints: Don't make the wire too long or you may not be able to fully retract the cam. Also you may need an awl to enlarge the holes in the trigger bar. Note: Click on the pictures for an enlargement ( 500kb) |
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As with any Chris Tan Death Product, usual disclaimers apply. Use at your own risk! < Usual laugh follows>
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