Rockwell bull gear bolts/nuts

Rich

Rich

Asshole at large
Joined
Mar 17, 2005
Location
Central PA
So when I took it apart, there was a single strand of safety wire going through all 8 bull gear bolts. certainly not the best setup, but it would *help* prevent the nut from coming off.

When re-assembling, the aircraft mechanic in me took over, and I did this:

safetywire.jpg

But, I don't think it's really helping much. If the hole was in the bolt head, then OK.. But it wasn't doing much to prevent the nuts from loosening. In fact, the wire was pulling the bolts in a loosening direction.

So, I cut the wire off, and did this instead of re-doing the safety wire...

cotterpins.jpg

Now I know, 3 bolts max for safety wire, and the cotter pin head should always point to the source of the forces, or int he direction of rotation.. but I still think they won't go anywhere.

Just food for thought, though - I don't think the wire is the best bet.
 
i'm no engineer, but i think that will work just as well if not better.

besides, doing safety wire (correctly) is a pita.:flipoff2:
 
the wire is supposed to run in a circle, not like shown in picture 1..... that's fairly common on drag cars and built axles...
 
Erik said:
the wire is supposed to run in a circle, not like shown in picture 1.....
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That's because the grease monkeys in the motor hole couldn't put a good twist in safety wire if their life depended on it. :lol:
Seriously though, I guess the idea with the wire in a loop is just to keep the nuts from falling off, whereas the twisted safety wire is meant to actually keep the bolt tight..

No "safety-wire-pliers" were used during the making of this PSA. :huggy:
 
just weld them on.
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I mean, since we all use brand new ring gear nuts and bolts everytime anyway, it would make sense...
 
braxton357 said:
It's not like anybody is going to be doing any rockwell gear swaps anyway...
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Yeah, but what about when I put in Randy's 40 spline shafts... :lol:
 
Rich said:
Now I know, 3 bolts max for safety wire, and the cotter pin head should always point to the source of the forces, or int he direction of rotation.. but I still think they won't go anywhere.
Just food for thought, though - I don't think the wire is the best bet.
Click to expand...

I agree Rich, Castleated nuts are for cotter keys. I'm sure you wont have any issues with those nuts.

On a related note, you call it a bull gear. Do rockwells use worm gears?....that's what it looks like to me from looking at the housing.

Steve
 
tw89yj said:
Since when is Randy making 40 splines?
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I think he's talking about the 2" (47spline) 4340 shafts that randy ouverson is making. Definately ultimate (almost rediculous) beef.

Right now his stock 16 spliners are smaller/weaker than my huge 31sp 9" shafts. :)flipoff2: )
 
braxton357 said:
I think he's talking about the 2" (47spline) 4340 shafts that randy ouverson is making. Definately ultimate (almost rediculous) beef.
Right now his stock 16 spliners are smaller/weaker than my huge 31sp 9" shafts. :)flipoff2: )
Click to expand...

Just making sure there wasn't something newer available than the 47s we ordered.
 
No, I mis-typed.. 47's.

1980cj7 said:
On a related note, you call it a bull gear. Do rockwells use worm gears?....that's what it looks like to me from looking at the housing.
Click to expand...

There are 3 gears inside the chunk.. pinion, ring, and then bull gear.. that's how they get the silly-low 6.72... The ring gear drives the bull gear, and the bull gear houses the spider gears/spool/locker.
 
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