Two questions pertaining to my F400...

Absent Minded Farmer · Jun 27, 2010

Is fifth gear supposed to be so shallow? It goes into fifth just fine & stays there, it just isn't as deep as the rest of the gears.

How warm/hot should the engine be to check valve lash?

Thanks,
Mike

Wardner · Jun 27, 2010

Fifth is not really a gear. It is a coupling kinda like a Lovejoy coupling but with many more fingers. The other gears have to travel across the mainshaft about an inch. Fifth only needs half that or less.

Fifth locks the transmission input shaft to the differential pinion gear which is part of the mainshaft. No power goes to the countershaft unless you are using the PTO on non-IPTO tractors.

Next time you are operating your tractor, grind me a pound, please.

Wayne in MN · Jun 28, 2010

Cover the radiator & drive around for 10 minutes or so in 5th gear to work the engine a bit and then adjust the valves.

Absent Minded Farmer · Jun 28, 2010

(quoted from post at 21:05:15 06/27/10)
Next time you are operating your tractor, grind me a pound, please.

Say, what's with that? It seems to take forever for that clutch to slow down. Usually, I'll turn the tractor off if I'm getting off it to do something. Seems quicker to kick it over with the clutch in & go.

M Diesel · Jun 28, 2010

If it doesn't have a belly pump, there is no built in load to stop all those metal bits from turning.

Two questions pertaining to my F400...

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