1520 injector pump help

DixieDeere · May 18, 2016

I did a stupid thing today and took the round cap off the back of the pump, the one thats in the middle of all the lines. This is an early 1520, 1968 model with electric fuel shutoff. I believe I have it figured out except for the eccentric ring. It has a C on one side and a CC on the other, I assume for clockwise and counter clockwise. So, which way does it go? Even better if someone knows where I can find a parts breakdown, I'd be grateful. I was looking for how the fuel shutoff worked and going on a friends description from his 2020 took more off than I should. Again, I appreciate any and all help I can get.

Dave

Jim Pollock · May 19, 2016

I'm not familiar with your tractor but I
just worked on one of these pumps for a
4010. You need to find out which way the
pump turns. Just turn the motor over a
little in the normal direction and watch the
end of the rotor that you can see. If it
turns counter clockwise, you need to put the
eccentric ring in with the "c" facing you.
If it turns clockwise you need to put the
ring in with the"cc" facing. The reason it's
backward is because the c or cc is referring
to direction of rotation from the drive end
of the pump.

JDEM · May 19, 2016

The pump rotates clockwise when viewed from the drive end. So when looking at the back end and the transfer-pump ring and blades, it is counter-clockwise.

DixieDeere · May 19, 2016

Thanks. So the cc will be on the inside?

Jim Pollock · May 19, 2016

Yes, just make sure you get the little roll pin that sticks out of the aluminum cap, inside the slot in the eccentric ring.

DixieDeere · May 20, 2016

Got it. I could see it should be easy except for the
ring and dummy me pulled it off without thinking or
looking first. I feel like my two year old.

1520 injector pump help

DixieDeere

New User

Jim Pollock

Member

JDEM

Well-known Member

DixieDeere

New User

Jim Pollock

Member

DixieDeere

New User

Similar threads