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19th March 2013, 07:07 PM
#1
Patrol God
Help needed; gearbox drain plug. Rb30 manual box.
Ok, Chaps. Tried to undo the drain plug, and it started to strip the 1/2 inch hole. Took it to the Mech, and he couldn't budge it. He reckons to grind a short bolt to fit, and weld it onto the plug. Went to a fabricator/ welder, and met a fleet maintenance bloke there. He reckons a 6 inch flat bar with a hole big enough to weld around the lip of the plug is the go. Any thoughts on a better fix?
Also , is the fill plug the same size as the drain plug? Cause I can take it out and use it as a sample to get a replacement one for the drain.
My advice is: not to follow my advice.
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19th March 2013 07:07 PM
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19th March 2013, 07:14 PM
#2
Hardcore
Mine was seized on my zd30 box I welded my old half inch bar in it and tured it with a breaker bar putting the heat in also makes it easy they should be the same sizer with the drain plug being magnetic
Whoever appeals to the law against his fellow man is either a fool or a coward.
Whoever cannot take care of themselves without that law is both.
For a wounded man shall say to his assailant,
'If I live, I will kill you. If I die, You are forgiven.'
Such is the rule of honour.
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19th March 2013, 07:36 PM
#3
Expert
Use a hammer and drift to shock-load the plug. Make a larger tool that fits a snugly & use a hammer to firmly tap while putting a torque on it.
Hearing might work, as it will expand the ally quicker than the steel plug.
Loctite sell a 'freeze-off product that works a treat & will probably shrink the plug. I would be surprised if this doesn't work. Last resort I'd weld a socket or decent sized bolt to it. Keep a extinguisher free.
Once the plug is out, repair or replace it & use loctite 567 thread sealant.
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19th March 2013, 07:42 PM
#4
Hardcore
I tried drifting and shock loading but had to weld it. Problem is people rattle gun them up or over tighten they are a tapered thread nip it up then crank it half a turn more that's all it needs any more you'll be having the same problem
Whoever appeals to the law against his fellow man is either a fool or a coward.
Whoever cannot take care of themselves without that law is both.
For a wounded man shall say to his assailant,
'If I live, I will kill you. If I die, You are forgiven.'
Such is the rule of honour.
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19th March 2013, 07:44 PM
#5
Patrol God
Thanks, I watched the mech shock load it. He put a lot of energy into it, and eventually his boss stopped him, because the breaker bar was flexing badly. I will have a look into getting the Freeze off.
My advice is: not to follow my advice.
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19th March 2013, 08:01 PM
#6
Hardcore
Don't shock load it with freeze stuff you might crack the casting. Welding it is cheaper
Whoever appeals to the law against his fellow man is either a fool or a coward.
Whoever cannot take care of themselves without that law is both.
For a wounded man shall say to his assailant,
'If I live, I will kill you. If I die, You are forgiven.'
Such is the rule of honour.
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The Following User Says Thank You to macca86 For This Useful Post:
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20th March 2013, 03:15 PM
#7
Patrol God
Yippee, Cost $45 ( the workshop minimum is $80) but the welder also used one of his sockets to weld on the plug. After it cooled, he used a dirty great breaker bar to get the plug moving. So thanks to Portland Fleet Maintenance for helping me out. All I have to do now is source a new plug and the correct grade oil, which I'm dealing with on my other post.
My advice is: not to follow my advice.
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BigRAWesty (20th March 2013)