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Old 07-04-2013, 01:13 PM   #151
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Quote:
Originally Posted by bakken View Post
The cotter keys, even when mangled, are pretty tough.
Substituting a wire for the key might be a bit risky, as you would never be sure of the wire's strength.
But with the correct wire, it does seem like a reasonable solution.
A piece of .064 wire is pretty stout and might be beefy enought to do the job.

What size cotter key is recommended?
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Old 07-04-2013, 01:20 PM   #152
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Just going from memory, probably about 1/8 th inch in diameter.
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Old 07-04-2013, 01:28 PM   #153
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Just going from memory, probably about 1/8 th inch in diameter.
So about 0.1250 - I might consider going with the wire, everything else being equal.
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Old 07-04-2013, 01:28 PM   #154
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Safety wire is used to keep the Jesus nut on a helicopter rotor. I would think (I know, should not do that) it would suffice as long as the SHEAR rating of the wire is equal to or surpasses the cotter pin rating.
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Old 07-04-2013, 01:32 PM   #155
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Safety wire is used to keep the Jesus nut on a helicopter rotor. I would think (I know, should not do that) it would suffice as long as the SHEAR rating of the wire is equal to or surpasses the cotter pin rating.
exactly
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Old 07-04-2013, 01:33 PM   #156
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Safety wire is used to keep the Jesus nut on a helicopter rotor. I would think (I know, should not do that) it would suffice as long as the SHEAR rating of the wire is equal to or surpasses the cotter pin rating.
True - the cotter key is under shear. I know just a little about helicopters, but I do know what the Jesus nut is
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Old 07-07-2013, 06:16 PM   #157
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If it comes loose and the rotary wings leave the rotar head, pretty much the last thing you hear is J-E-S-U-S !!!!
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Old 07-07-2013, 06:25 PM   #158
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Interesting - I haven't checked mine yet, but based upon what you say here about the cotter key hole being offset, could a piece of say .064 wire be used in place of a straight cotter key to better maneuver around the offset?

You could still get the locking effect with the wire by twisting the ends together, something like safety wiring a bolt.
You can always double the 0.064 wire.
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Old 08-06-2013, 09:27 PM   #159
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Completed the brake adjustment on my 5th Wheel this morning, took about an hour from start to finish, and surprisingly easy. I didn't use a jack, but hooked the trailer up to my truck, then used a ramp to run up one wheel while it lifted the other. Chocks in place and emergency brake secured on the truck, no worry about the trailer falling. The star wheel adjusting tool cost me $4.95, but a flat screwdriver would have done the trick. One wheel needed a lot of adjustment, so suspect it was hardly grabbing when braking was required. I will feel a lot safer pulling the unit through the hills and valleys now.
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Old 08-07-2013, 07:26 AM   #160
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I had Lippert install the new "forward adjusting" automatic brakes on the camper yesterday. The tech was amazed that the bearings and seals looked brand new and asked if I had them replaced and repacked recently.

I told him that they were OEM and had never been off the axle in 4 years. They were just hand pump flushed using the Zerk fittings in the Spring and I pump a bit of new grease in before every trip.

BIG if you use the system like it was designed.
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