Oliver hybrid 2_85 injector pump

GermantownGreen · Sep 3, 2022

Father in law needs help.
2-85 diesel Perkins in a 1755.
Today he tried tightening this shoulder
screw below the bleed screw, the shoulder
screw wouldn't tighten up, just sets there
and keeps turning, he was able to get
bleed screw tight, but diesel seeps under
that shoulder screw.

Is there a shim or seal under this
shoulder screw
There's a red dot on this nut , you can see in the picture

Thanks for the help. GG Wes

Dieseltech · Sep 4, 2022

There's a copper gasket under the bleed screw body. Since it spins in the cover the 1/4 NF threads are stripped..

GermantownGreen · Sep 4, 2022

So, to understand you, the 1/4 threads of the little bolt are stripped, not the cover?

Thanks for the help, we appreciate it! GG, Wes

Pics from today's haymowing.
I was on the 88 Diesel, Bailey was in the 770 gas, and Grandpa Elmer is on his gas 1855 , Cockshutt, since that leaking on the 1755, diesel. 2 nd cutting grass and clover mix.

Dieseltech · Sep 5, 2022

The COVER threads are stripped as it's softer aluminum. The steel fitting threads I've never seen strip in my forty-five plus years and counting if injection pump repair. For best results the control cover needs replaced.

oldwrencher · Sep 5, 2022

I have a pump control cover you can have if needed. send an email and get it.

GermantownGreen · Sep 5, 2022

Thanks for the help, we appreciate it..I will share Elmer in the morning. Wes

Oliver hybrid 2_85 injector pump

GermantownGreen

Well-known Member

Dieseltech

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GermantownGreen

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Dieseltech

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oldwrencher

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GermantownGreen

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