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Removing stuck rocker pin


 
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TinCan
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PostPosted: Fri Jan 12, 2018 5:22 pm    Post subject: Removing stuck rocker pin Reply to specific post Reply with quote

Does anyone have any easy ways to remove a frozen rocker pin. My rocker is broke, and the eyelets where the pin goes through are wore out bad.

I have heated it, and hammered on it, but it won't budge. Now I need a new pin also.

Pat



 
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OBwan
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PostPosted: Fri Jan 12, 2018 9:21 pm    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

Some ideas

http://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=nboard&th=484942
 
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Dollar Bill
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Location: Keystone Heights, FL

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PostPosted: Sat Jan 13, 2018 1:42 am    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

TinCan wrote:
Does anyone have any easy ways to remove a frozen rocker pin.


The only easy way that I'm aware of is to take it to dealer - They do not like to come apart.

Kroil, heat & beat is the most common method of removal.

A stout air hammer may help.
 
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showcrop
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Joined: 13 Dec 2000
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Location: Chester NH

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PostPosted: Sat Jan 13, 2018 3:55 am    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote


I just cut it with a recip saw.
 
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corvetttteguy
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Location: Northern Poconos

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PostPosted: Sat Jan 13, 2018 4:03 am    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

Had the same problem on a 641 that was left outside
for 30+ years (uncovered). My top link socket was also
broken off like yours.

To speed up the process I drilled a small (1/8 hole)
in the middle of the rear casting to allow P blast
to get in and work. It took 2 weeks of constant spray
of lubricant before I noticed that I could beat the
pin a little. At that point I hit it back and forth till
it came out.
Pin was completely salvageable in my 821 rear end.
And son in law welded TSC collar in place of the
broken top rings. I didn't want to spend $100
for a new top link rocker.
I figure I can add a grease fitting into the hole for
future lubrication.
 
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RBnSC
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PostPosted: Sat Jan 13, 2018 4:37 am    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

Bolt your motor to this.

 
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corvetttteguy
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PostPosted: Sat Jan 13, 2018 6:58 am    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

Some pics
Donor 641 after removal

821 rear and reclaimed pin

Welded TSC COLLAR

 
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Dean
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PostPosted: Sat Jan 13, 2018 8:12 am    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

You could whiz wheel the rocker off before driving out the pin.

I remove the wheels so that I can wail on it from both sides with a 4+ Lb. hammer and piece of hard brass. Don't get carried away with a sledge hammer or you might break the differential casting.

They can be stubborn but they will come out.

Dean
 
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riveroadrat
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PostPosted: Sat Jan 13, 2018 12:17 pm    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

CVPost-Dean wrote:
(quoted from post at 17:12:46 01/13/1Cool You could whiz wheel the rocker off before driving out the pin.

I remove the wheels so that I can wail on it from both sides with a 4+ Lb. hammer and piece of hard brass. Don't get carried away with a sledge hammer or you might break the differential casting.

They can be stubborn but they will come out.

Dean
Someone mentioned using heat and parrafin on something that was stuck.
 
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jchewie
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PostPosted: Sat Jan 13, 2018 2:25 pm    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

Mine was stuck bad. Wheel removal not an option. Tried cutting with a sawzall, maybe the pin was hardened, it didn't work. Tried hammering, tried pneumatic hammer, nothing worked. I used Kroil, but don't have acetylene.

What finally did work was clamping a 6 ton bottle jack and a piece of round stock on one side of the pin, a pipe coupling over the other side of the pin, and heavy angle iron welded square around all of that for the bottle jack to react on. Came right out.
 
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showcrop
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PostPosted: Sat Jan 13, 2018 4:20 pm    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

jchewie wrote:
(quoted from post at 15:25:05 01/13/1Cool Mine was stuck bad. Wheel removal not an option. Tried cutting with a sawzall, maybe the pin was hardened, it didn't work. Tried hammering, tried pneumatic hammer, nothing worked. I used Kroil, but don't have acetylene.

What finally did work was clamping a 6 ton bottle jack and a piece of round stock on one side of the pin, a pipe coupling over the other side of the pin, and heavy angle iron welded square around all of that for the bottle jack to react on. Came right out.


Diamond blades aren't that much money.
 
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TinCan
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PostPosted: Sat Jan 13, 2018 4:50 pm    Post subject: Re: Removing stuck rocker pin Reply to specific post Reply with quote

CVPost-RBnSC wrote:
(quoted from post at 05:37:57 01/13/1Cool Bolt your motor to this.


RBnSC,
I tried to send you a PM, but say's it's disabled.

Send me a e-mail about it, and how much.

My e-mail is: a392hemi@yahoo.com

Thanks, Pat
 
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