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How do you time the crank, cam, and govenor gears on a D?

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lastein

05-11-2002 17:08:39




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Either I am blind or there are no indicator marks on these gears. This is the first time I have had a crank out of a D. It is a styled tractor. On other 2 cylinder tractors I have worked on there was always a mark on all 3 gears. I would appreaciate any advice. Thanks




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Clooney

05-11-2002 18:04:29




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 Re: How do you time the crank, cam, and govenor gears on a D? in reply to lastein, 05-11-2002 17:08:39  
Lastein, the cam to crank should have been marked in relation to each other before disassembly.
~In case you didn't do that, just install the L/H exhaust push rod & valve train [head must be on] then set valve lash to .030" then move the cam until the L/H exhaust valve just starts to open [actually "0" lash] or as the rocker to valve just gets tight, when the "L/H exhaust open" mark on the flywheel lines up with the case mark [or within 1 inch].
~To move the cam...loosen the R/H cam bearing & remove the L/H cam bearing then move the cam to crank timing.
~If you look at the cam L/H cam lobe you can pretty well guess by looking when the cam follower will start to lift, if you have the flywheel "L/H exhaust open" to case mark lined up you can install the cam pretty close to where it belongs. ~Don't worry about the governor timing as the mag drive flange can be removed & turned on the "D" after final assembly {there are no marks on the governor gear} ....After assembly, just bring the flywheel "L/H impulse" to line up with the case mark, then remove the nut on the governor drive flange, pull it off & turn it until the slots are fore/aft [running parallel with the ground].
~If you want, you can bring the flywheel to ["L/H impulse" to case mark line up], then just install the governor with the slots running fore/aft as that will save the flange removal part.
~If you don't understand this [it is much easier to actually do than explain], or have other questions, just post back.....

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lastein

05-11-2002 20:38:00




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 Re: Re: How do you time the crank, cam, and govenor gears on a D? in reply to Clooney, 05-11-2002 18:04:29  

Clooney,

Thanks for the information. I was trying to eye it with the block out. I will follow your instructions when the block and head are installed. lastein



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