How to set injector pump timing on a 3204

Jonesmt86 · Oct 21, 2017

I have rebuilt a cat 3204 engine and stuffed up the timing on the injection pump to engine. I have tryed spill timing with no success. The book dosent relate to the type of fuel injection pump i have. Its a tapered shaft pump with NO cover on the side.

Billy Shafer · Oct 21, 2017

All the cats I have timed have a timing bolt plug. Remove the plug then a timing pin goes in. Rotate the engine until the pin drops in. Then you can
remove the pump.

guido · Oct 21, 2017

Hello jonesmt86,

I am not familiar with that engine, but I am with the 3208. You need a 1/4" bolt
to insert into the pump to put it on #1 With the engine on #1 as well. I made
the timing pin out of a 1/4" bolt . Just take the head off. A two" or three"
should work. Insert it in the pump until it goes in, then you should be good to
go,

Guido.

moresmoke · Oct 21, 2017

Two timing pins required, one for the pump,
and one for the engine.

The one time I did one, the timing pins got
it close, but not quite right. Had to use a
timing light to get it right, which is
easier said than done with the tapered
drive.

How to set injector pump timing on a 3204

Jonesmt86

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Billy Shafer

Well-known Member

guido

Well-known Member

moresmoke

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