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#1 HLADCHUK

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Posted 11 February 2012 - 10:11 AM

I have a td 20 1958 cant get to fire up on deisel runs on gas prefect ican only get deisel to three injectors have any ideas.

#2 LoggerLee

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Posted 11 February 2012 - 11:26 AM

Probably a dual plunger pump and one plunger is stuck.
1 T20
1 TD14A
3 TD9s
And some TD14 street tracks and chains and sprockets I'd like to sell.

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#3 HLADCHUK

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Posted 11 February 2012 - 12:24 PM

how can i get it free

#4 LoggerLee

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Posted 11 February 2012 - 12:27 PM

I've never had a stuck plunger, one of the other fellas will chime in here pretty soon.
1 T20
1 TD14A
3 TD9s
And some TD14 street tracks and chains and sprockets I'd like to sell.

International Harvester crawler group on Facebook http://www.facebook....57096181046179/

#5 hardtail

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Posted 11 February 2012 - 05:14 PM

Ping MD........heres your best choice for these IH pumps these days...........
Singles are cool, dual stackers rule, to deny this, you must be a fool.
Opportunity only knocks once, tempation leans on the doorbell

#6 HLADCHUK

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Posted 11 February 2012 - 05:44 PM

what is the best choice for these pumps

#7 rick22

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Posted 13 February 2012 - 09:30 AM

Try giving the plunger a wrap with a hammer, sometimes this will free it up. be carefull not to his too hard. It wouldn't hurst to take it apart aswell to clean them up. Fairly simple to take apart.

thanks
rick

#8 M Diesel

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Posted 13 February 2012 - 12:07 PM

The forward plunger feeds the front 3 cylinders and vice versa. The plunger is forced upward but depends on a spring to lower it. A little fuel gum can make them stick, sometimes to the point of requiring disassembly. You may get lucky and have it free up, but my experience is that it needs cleaning. Getting the plunger apart can be a task due to the need for a special tool (can be made) and the proper technique for holding the barrel without deforming it.

If the plunger is moving at all, running a slug of mild solvent like Marvel Mystery Oil through the pump (engine running) via the sediment bowl will likely remove the deposit. Even if it does free up on its own, this should be done anyways.

It is possible to squirt carb cleaner or penetrating oil into one of the access screws on the side of the plunger assembly. That requires you to remove the top off the pump but at least the plunger doesn't have to come apart. With the plunger assembly out you can work the plunger upward more than the cam can push it which helps to free it. Pull with great caution and be careful working the plunger. It is not meant to be pried on and is easily broken..

Last bit, is the rack moving when the throttle moves?
Gary M
1951 M -- 1951 MD
1953 Super C -- 1957 Farmall 450
1953 TD9 "Ichabod JR" aka "Icky"
1949 TD18 "Brutus" -- 1956 TD18-182 "Yard Dog"
1964 Loadstar 1600 -- 1975 Loadstar 1700 dump truck
1949 Massey 44

#9 HLADCHUK

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Posted 13 February 2012 - 01:09 PM

Does the rack move freely when engine is not running. And how do you remove the plungers

#10 M Diesel

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Posted 13 February 2012 - 01:30 PM

I can put up a couple of pictures in a little bit. If you remove the oil filler neck there is a round horizontal sliding rod (the rack gear) that should move when the throttle is changed. I have seen it stuck in the near idle position and one plunger was barely on but the other was still off. (There is an adjustment for that.)
Gary M
1951 M -- 1951 MD
1953 Super C -- 1957 Farmall 450
1953 TD9 "Ichabod JR" aka "Icky"
1949 TD18 "Brutus" -- 1956 TD18-182 "Yard Dog"
1964 Loadstar 1600 -- 1975 Loadstar 1700 dump truck
1949 Massey 44



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