450B

RedGreen · Post by **RedGreen** » Fri Apr 24, 2015 7:35 am

Hi all I am new here and seems like there is a lot of knowledge. I have a 450b crawler and it needs a steering clutch. Tried to remove track tension by removing the square head bolt with jam nut and nothing happened. So I cut the track pin and removed the track. Track frame had a broken bolt where the front cross member attaches and I wanted to fix that. Well in order to get frame off I need to remove the tensioner piston... how can I do this? Tried wrapping a chain and pulling it with a ratchet binder to blade, and tried turning with 4 foot pipe wrench. Any tips/tricks to getting it away from spring holder? What is best place to buy parts for these? Need piston and all clutch parts. Thanks Matt

FL450B · Post by **FL450B** » Fri Apr 24, 2015 7:40 am

I HAD TO HEAT MINE TO REMOVE IT RUST HAD BUILT UP IN SPRING CUP TAKE OFF SPRING COVER AND YOU CAN HEAT UP THE CUP I MOVED IT UP AND DOWN WITH PRY BAR TOOK A BIT BUT IT CAME OUT

Post by **Lavoy** » Fri Apr 24, 2015 7:48 am

There should be a set screw under the bolt you removed, but not always. Stick an allen wrench down in there and see if you find one. If so, back it out a few turns, then the grease will come out.
I must be missing something, once the track is split, the whole idler assembly and adjuster should slide forward I thought. As far as getting the piston out of the barrel, put a grease gun on it and jack it out, far and away the easiest way.
Lavoy

jtrichard · Post by **jtrichard** » Fri Apr 24, 2015 8:37 am

HI and WELCOME if you have not read it look at this thread on 450 same problems you have http://www.jdcrawlers.com/messageboard/ ... sc&start=0

RedGreen · Post by **RedGreen** » Sat Apr 25, 2015 12:38 pm

Thanks FL450B I have the cover off I will try to heat it up and pry it around.

RedGreen · Post by **RedGreen** » Sat Apr 25, 2015 12:43 pm

jtrichard yes I did read that I'm a little farther then he is at this point. Thanks Matt

RedGreen · Post by **RedGreen** » Sat Apr 25, 2015 12:55 pm

Lavoy I'm trying to get the piston out of the spring end not the front idler/adjuster end. Is this the proper way to reply to a persons response? Is there a way to respond to just their response or like I am doing now? Also what is the best way to add pictures? A picture is worth a thousand words right? Thank you so much Matt

RedGreen · Post by **RedGreen** » Sat Apr 25, 2015 1:00 pm

https://mail.google.com/mail/u/0/?ui=2& ... w1312-h511

I sent photo from my phone to my email and copy and pasted it in here. See if this works

The front cross member(behind the pipe wrench) hits the piston when I slide the track frame out. Need to remove piston.

Stan Disbrow · Post by **Stan Disbrow** » Sat Apr 25, 2015 3:11 pm

Hi,

Can't use a photo host using https. Meaning secured. I mean with IMG tags.

A link to an https host is ok, as you posted. Except this one needs an ID and password...

I suspect you need to make the pic public on you host site, and then it won't need an ID and PW.

Stan

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