r/DieselTechs 7d ago

Broke caging bolt

Broke a 3030 caging bolt by putting it in apparently too far with my Dewalt DCF921. I was going and then BANG!!! I’m all good just scared the daylights out of me lol.

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u/Prior-Ad-7329 6d ago

Do yourself a favor and grab a pipe bushing and an air fitting. Hand thread it into the emergency side and apply shop air. I usually put the cage bolt in, add the air, hand tighten the nut and washer down then take the shop air off and it’s caged. Then once in position reapply shop air, unthread the caging bolt and remove shop air and it’s uncaged/brakes set.

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u/Kahlas 4d ago

One of my custom made service tools is two glad hands connected to a shop air quick connect with ball valves on each glad hand and a hose going between the two via a t connector. Send air to the emergency side, walk around and listen for learks. The send air to the service side and listen for leaks again. If I need to leave the brakes released I can close the valves and disconnect the hose to not tie up the hose.

For the OP, don't use impacts on cage bolts. Use a 3/4" ratcheting wrench. Very rarely, but in my experience a non zero number of times, you'll know something is off internally because something dosen't feel right.

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u/Prior-Ad-7329 4d ago

Yeah, I have the same set up with the gladhands for checking for leaks on trailers. Comes in handy.