Bleeder screw for CAV injector pump.

Sam in Jawja

New User
Well....like an idiot, I overtightened the top/small bleeder screw on my MF135 Perkins diesel, Injector pump, and it"s now busted.

I"ve clicked the link at the top of the home page, and can"t find the bleeder screws listed.

I"ve done Google searches...and can find plenty....in Suffolk England, but can"t seem to find a listing on them here in the States.

My closest Massey dealer is closed on Saturday...go figure. If I can find an online source, I"ll just go ahead and order it.

I haven"t made any phone calls yet, figured I"d wait till Monday if it takes that, but just wondered, anybody run into this before, and found them online?
 
Have you tried a local hardware store? Our local has a whole drawer full of bleeder screws in different sizes. CAV oughta be a standard SAE thread.
 
Any pump repair shop will be able to supply you a bleed screw assembly. You may have one within a reasonable distance. It is a common pump used on many brands of tractors over the years. You might try your closest Case, Deere, or New Holland dealer. You're not the first one to break a bleed screw.
 
Hi Sam,
Any diesel repair shop should have one, even from an old pump. The threaded part of the bleed screw body which screws into the pump is 1/4" unf. Even if you could get the broken screw out an ordinary one would be no good as the correct one has a pointed seat on it.

DavidP, South Wales
 

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