[AT] TD6 Trackloader timing problems. Where is TDC

[charlie hill]

That's a nice trick J.  I think you are saying the same thing that Gene 
Dotson posted but your way of writing down the firing order makes it easy to 
remember.

Charlie
----- Original Message ----- 
From: <JTakemoto at wildblue.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, November 04, 2007 9:02 PM
Subject: Re: [AT] TD6 Trackloader timing problems. Where is TDC


> its simple and this will work on any engine.
> 1, write down firing order  (1342) Example.
> 2.  then  move the last half of the numbers under the first half
> 13
> 42
> This will let you know which cylinder is the opposite of the other.
> #1 and #4 in this case turn engine until  # 4 rockers just change from
> intake to exhaust as you move it back and forth. you will see those two
> rockers moving in this fashion one up the other down, stop when they are
> both at top of stroke. you are now at top dead center on number 1
> cylinder. ready to fire.
> J.
>
>
>> I'm trying to resuscitate the gasoline starting system of my diesel IH
>> TD6(which never worked, it just started on diesel directly) and have a
>> bit of a problem.   I pulled the distributor to clean and do a tune up,
>> and then went to install.   Hmmmm.   No TDC mark on the crankshaft
>> pulley.  The Drott loader system mounts a hydraulic pump from the
>> crankshaft pulley and apparently the crankshaft pulley is part of that
>> system and isn't marked.
>>
>> So I opened the valve cover, and found TDC by monitoring the valves and
>> spark plug hole.  After this, I found the distributor lugs oriented as I
>> expected.  Setting the timing statically went as I expected too.  So I
>> thought I was ready - but it doesn't start.   I get spark at the hole
>> but I don't get a puff or a pop; even with starting fluid (WD40).  I
>> think my timing is still off, but I can't think how since being off a
>> whole phase would create noise in the exhaust (or fire in the carb O-:
>> ).  Being off less would just result in failure to start, but it would
>> still try give me noise.
>>
>> So I guess my question is:  With a typical 180 degree crank (when 1&4
>> are at TDC, 2&3 are at BDC), how would you find TDC without marks???
>>
>> PS:  Not a flat head - Can't use the straw in the spark plug hole trick.
>> PSS:   Because the gas-over-diesel design, removing the cylinder head is
>> a pain and is not an option.
>>
>> Thanks an advance!
>>
>> Spencer Yost
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>
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