801 Crankshaft balancer?

Ryker Wells · Sep 3, 2014

Hi there,

I am in the process of rebuilding a Ford 801 diesel engine. My father had spun a bearing due to lack of oil and we are just trying to get it back in the field. We had the crank rod journals turned I believe .20 under and trued up the rods. I have put the motor back together and am at the point of putting on the crank balancer... I have never seen anything like this on an engine before and I'm not sure how to install it? does it need to be set at a specific spot on the gear? or is everything already balanced? Also I noticed that the machine shop had taken a few chunks out of the counter weights and drilled a few holes... Did they need to balance the crank with this balancer? do I still even need it? I have read a few posts about these balancers and now I am worried that I shold not have allowed the crank to be balanced?

Any help or information that could help me get this tractot back up and running would be very appreciated.

Thanks,

RW

DeltaRed · Sep 3, 2014

Put that balancer on EXACTLY as the book states.If
you dont have a book,get one.Even one tooth off will
cause engine destroying vibrations.

Ryker Wells · Sep 3, 2014

I also just noticed that there are two dots on the balancer one on each gear... and on the gear that makes contact with the crank gear there is an additional tick mark (not a dot). The crank gear has a dot.... I would assume that I need to line up the dots (or tick mark/dot). Would I be safe in assuming that the two dots on the gears of the balancer need to line up (they already do, I never took them apart) and that the additional Tick mark lines up with the crank? Or should I align the dot on the balancer with the crank dot?

Thanks again in advance,

RW

DeltaRed · Sep 3, 2014

Again,REFER to the book.Not familiar with that
particular engine.At less than 50 bucks,by far
cheaper than a destroyed engine.

LarrySTN · Sep 3, 2014

The crank balance is for the first harmonic
vibration the balancer is to counter act the second
harmonic vibration. Many inline four's have been
built without a balancer and at low rpm's it isnt real
noticeable. The ford fours vibrate pretty badly when
the rpm's get much above 1800. Our 860 would make
your hands numb. When the balancers were added to
the 801's (ie), the tractors were much more pleasant
to operate. With a manual the balancer is easy to
time. Make sure you have good oil flow from the oil
galley to the balancer. The oil for the balancer
flows from the galley through a cam bearing to the
balancer. If the tractor was run low on oil it's
possible for the can bearing to spin keeping the
balancer from being lubricated, then bad stuff
happens, I have experience with that bad stuff.

801 Crankshaft balancer?

Ryker Wells

New User

DeltaRed

Well-known Member

Ryker Wells

New User

DeltaRed

Well-known Member

LarrySTN

Member

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