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Undercarriage Clamp

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Undercarriage Clamp

Postby Admin » Fri Feb 13, 2015 3:46 pm

Originally posted by Vic Leggott

When I built my Jab I rounded off the edge of the undercarriage clamp where it contacts the gear leg, as this seemed an area of possible rapid wear. I retightened the bolts after 10 hours operation and all seems ok since ( 80 hrs). You have to be careful not to overtighten the bolts because they can shear whilst in operation. To check for play, apply the brake and lift the wing tip a bit and rock the plane back and fowards. It should be possible to see the excessive play.

Make sure the bolts are not thread bound. You should only have about 2 or 3 threads showing through the nyloc nut.

AN6 bolts are used instead of AN5 now
Jabiru UL-450 built 2000 S/N 589
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