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PostPosted: Mon Feb 12, 2007 19:30 pm 
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Location: Farnborough, Hampshire
Group: ww.514th.co.uk
Started to pull the Halftrack to bits, but the manual’s we have are all very basic, it will tell you how to take the Gearbox out but wont tell you how to pull it to bits or what’s inside it. Anybody know what manual numbers we should be looking for, we have TM9-710 and TM9-1710C

Other photos of work so far
http://514thqm.eamped.com/topic80.html

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Mick

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PostPosted: Sun Mar 04, 2007 11:22 am 
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Location: Farnborough, Hampshire
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The work on the Halftrack was really going well, but with the gearbox removed, I grabbed the flywheel behind the clutch and found that we have lots of play in the bearings behind it, only problem is that it feels like the crankshaft main bearings are moving. Phoned up our local Halftrack dealer, as he said £1500 for an engine or £900 for an exchange engine (a big job we don’t want to do really :roll: ) we are going to try and pull the sump off today, to get a better look at them before we go down that road, so keep your fingers crossed.
Mick.
http://514thqm.eamped.com/topic80.html
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PostPosted: Sun Mar 04, 2007 13:34 pm 
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Joined: Sat Nov 27, 2004 13:08 pm
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Location: north staffs
On my White scout car engine you could shim the big end bearings
and the main bearings if not it is dead esay to drop new shells in
just a thought
Commander


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PostPosted: Sun Mar 04, 2007 13:52 pm 
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Joined: Sat Dec 27, 2003 11:54 am
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Location: Fulham, London
Real Name: Chris
Group: The Stonewallers (29th Infantry Division, C Co.)
What a mammoth task, Mick! Good luck with it. I wish I could offer some help but, strangely enough, 60 year old half-tracked vehicles aren't my specialist subject :D Keep us up to date with how it goes.

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PostPosted: Sun Mar 04, 2007 19:55 pm 
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Location: Farnborough, Hampshire
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In the pouring rain, under a quickly improvised tent we pulled the armoured sump shield and sump off only to find the crank shaft in TWO bits. Its cracked betwen the first conrod and the main bearing next to the gearbox
So we are looking of a Halftrack crank or engine if anybody has one ?
http://514thqm.eamped.com/topic80.html
Click on the picture below to see "the play in the flywheel".
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And see if you can spot the crack in this video clip.
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PostPosted: Sun Mar 04, 2007 21:01 pm 
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It looks to me as though the crack as appeared on the WEB or also what is known as the THROW of the crank.

This allows the piston con rod to be moved in an upward or down ward motion and also helps the engine rotate on its non working strokes.

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PostPosted: Sun Mar 04, 2007 21:02 pm 
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Location: Solihull,West Mids
Real Name: Steve Chaplin
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Sorry to hear you've had some bad luck Mick,From what I've seen you guy's will get it sorted hope it don't cost you too much ,keep up the good work.

regards

Steve

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PostPosted: Sun Mar 04, 2007 21:45 pm 
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The funny thing is that the engine was running fine, as the crack is after the last con rod we did not notice it, is such a shame as it was a good engine.

Looking at diesel conversions ?

Mick

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PostPosted: Sun Mar 04, 2007 22:06 pm 
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Why not just put a crank in it if the journals are good on yours just have it ground to suit if you want to save money that is also some of the early engines you can strip in situ a bit of a pain but possible
C


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PostPosted: Sun Mar 04, 2007 22:28 pm 
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If we can find a crank that’s one of the possibilities or £900 for an exchange engine.

Mick.

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PostPosted: Mon Mar 05, 2007 17:20 pm 
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damn thats bad luck mate look like you got a big task on your hands mate.

all the best with her.

stick with the orig engine mate, they sound absalutely awesome and are much better then some old rattely deisel

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PostPosted: Wed Mar 07, 2007 20:54 pm 
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Thanks for all the help guys, looks like we are going to pick up an engine with a good crank on Saturday. So it will be a mad rush to get her ready for the trip to Gunpowder Mills in May :roll:

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PostPosted: Wed Mar 07, 2007 22:42 pm 
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Very best of luck Mick

I know if any group of people can do it you guys can.

I hope to see you at the Gun Powder Mill on the Sunday evening / Monday Morning.

Kindest Regards

Lee

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PostPosted: Mon Apr 09, 2007 20:13 pm 
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Got one of the new tracks on, hard work getting it on the idler

More pictures here

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PostPosted: Tue Apr 10, 2007 20:08 pm 
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mick hat off to you fella :lol:

here people, is one dedicated reenactor :wink:

dont over do it on the north circ fella :wink:

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PostPosted: Tue Apr 10, 2007 20:22 pm 
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les hearn wrote:
mick hat off to you fella :lol:

here people, is one dedicated reenactor :wink:

dont over do it on the north circ fella :wink:


Thanks Les, we are all looking forward to our convoy around the north circ to RGM, that's why we are putting so much work in to it. We have to have the Halftrack up front pushing through the traffic :D .

Mick.

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