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malcolm2
Samba Member
Joined: September 28, 2011
Posts: 1272
Location: Mount Juliet, TN
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 Posted: Sat May 05, 2018 8:27 pm Post subject: Drop Arm removal |
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Bentley makes everything seem so easy.
"Using a puller, remove the drop arm from the shaft".
Well that ain't gonna happen. I have the exact puller pictured in the Bentley, I have wacked the arm with a hammer, sprayed it with SiliKroil, and used the Impact Gun, but there is sits.
Oh yeah, I heated it up with some propane then the Impact again.
Any other tricks?
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kreemoweet
Samba Member
Joined: March 13, 2008
Posts: 3899
Location: Seattle, WA
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| Posted: Sat May 05, 2018 11:03 pm Post subject: Re: Drop Arm removal |
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Find a bigger puller. Torque it till ya think it'll explode. Those buggers are tight!
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THall
Samba Member
Joined: August 25, 2010
Posts: 324
Location: Verona, WI
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| Posted: Sun May 06, 2018 5:19 am Post subject: Re: Drop Arm removal |
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| kreemoweet wrote: |
| Find a bigger puller. Torque it till ya think it'll explode. Those buggers are tight! |
And it will sound like an explosion when it finally lets go.... 
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malcolm2
Samba Member
Joined: September 28, 2011
Posts: 1272
Location: Mount Juliet, TN
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| Posted: Sun May 06, 2018 6:33 am Post subject: Re: Drop Arm removal |
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All the ball joints have been startling when they pop off. This arm is a bit bigger and my face and head are under there with it. I'll keep spraying and whacking and move on to something else.
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busman78
Samba Member
Joined: August 17, 2004
Posts: 4524
Location: Oklahoma City, OK
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| Posted: Sun May 06, 2018 6:43 am Post subject: Re: Drop Arm removal |
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You need a Pitman arm puller, this is an OTC one, it has pulled a lot of arms. On several occasions i have cranked it down as hard as possible then just left it, check it every hour or so to give the bolt a little crank, eventually you will hear the bang or if overnight you will find the tool and Pitman arm on the ground.
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tootype2crazy
Samba Member
Joined: October 08, 2007
Posts: 1276
Location: St. Louis Missouri
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| Posted: Sun May 06, 2018 7:35 am Post subject: Re: Drop Arm removal |
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The arm is probably rusted on and thus has a molecular connection. There are some things you can do to break that connection before you try pulling. Heat is obviously the big one, although you have to be careful with the steering box nearby. Another is vibration. Tap with mild force on the arm where it attaches to the box with a hammer for a good five minutes, then load up your puller and tap some more. The reason impact wrenches work so well to break things loose is the tapping they do.
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malcolm2
Samba Member
Joined: September 28, 2011
Posts: 1272
Location: Mount Juliet, TN
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| Posted: Mon May 07, 2018 6:28 am Post subject: Re: Drop Arm removal |
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| busman78 wrote: |
You need a Pitman arm puller, this is an OTC one, it has pulled a lot of arms. On several occasions i have cranked it down as hard as possible then just left it, check it every hour or so to give the bolt a little crank, eventually you will hear the bang or if overnight you will find the tool and Pitman arm on the ground.
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Amazon had them for $63 with tax. I can't seem to find them in any of the parts store's loan-a-tool programs. It was a PRIME item, so maybe I can use it, clean it and return it..... 
Will be here Tuesday, so I will find out. I also found a new arm for about $50, so if this sucker does not work, I will break out the sawzall.
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busman78
Samba Member
Joined: August 17, 2004
Posts: 4524
Location: Oklahoma City, OK
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| Posted: Mon May 07, 2018 6:43 am Post subject: Re: Drop Arm removal |
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Really?
Add it to the tool box, I have used mine for other things besides Pitman arms, works better than a pickle fork for some jobs, if it will fit makes a great puller.
Give it time to work, it can take hours, sometimes overnight, make sure the side clamping bolts are snug, they keep the tool from slipping off. |
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Mon May 07, 2018 6:45 am Post subject: Re: Drop Arm removal |
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| Quote: |
| It was a PRIME item, so maybe I can use it, clean it and return it..... |
that is so unethical and lowlife if you did that, here is a better idea:
with your puller on very tight, and the nut on loosely to keep it from flying off and hurting someone, put a large hammer 90 degrees from the puller, and hit it with another big hammer. The blow will shock it. Then tighten it again and hit it with two hammers opposite one another again. It will sound like a 22 going off when it comes off.
example from Internet photo at cdn.instructables.com:
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50353
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| Posted: Mon May 07, 2018 3:05 pm Post subject: Re: Drop Arm removal |
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| Don't not remove the nut, just loosen it a turn. This will keep things from flying all over the place and maybe save you a trip to the dentist or plastic surgeon. Yes load the puller up and then do the trick with the two heavy hammers. |
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aeromech
Samba Member
Joined: January 24, 2006
Posts: 16971
Location: San Diego, California
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| Posted: Tue May 08, 2018 7:15 am Post subject: Re: Drop Arm removal |
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I have two of these. The bigger one works well pulling the arm off steering boxes
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malcolm2
Samba Member
Joined: September 28, 2011
Posts: 1272
Location: Mount Juliet, TN
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| Posted: Tue May 08, 2018 6:26 pm Post subject: Re: Drop Arm removal |
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DONE. I am gonna have to give some credit to the SiliKroil. Once the arm came off I could see that the whole shaft was wet.
The tool and the impact did there part for sure. There is no way to hit that with 2 hammers. 1 hammer with the tool removed was the best I could do a couple nights ago.
Just glad the gear box is off. I cleaned it up, got lots of TAR off of it, and now I need to study up on rebuilding the gear box.
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