stuck piston plunger in F/Brake m/c - 500 Alpino

[Laverdaton]

Before I....
a) stab my hand with a screwdriver
B) slip with the screwdriver and gouge the body of the master cylinder.

What is the best way to remove a stuck/siezed piston from the body of the master cylinder........

 

[laverdakeith]

Not with a screwdriver...

A sharp tap with a pin punch inserted through the fluid outlet hole normally fixes them.



  Keith

 

[Laverdaton]

Thankyou Keith
....it's always best to ask before I mess it up.

 

[Simonr501]

A long-series pin punch.

 

[Paul Marx]

put it back on the brake line and pump the lever.
Paul

 

[Dellortoman]

put it back on the brake line and pump the lever.
Paul

That'll work if you want to push it deeper into the cylinder.

 

[CLEMTOG]

put a greese nipple on the hose outlet using an adapted banjo ended hose, then pump it back ward with a dirty great big side lever greese gun (mine is a wanner).The crush washer wont hold it in,. but make sure the lever/bolt etc are all out of the way.I have such a hose if you are anywhere near Sevenoaks/knockholt.
CLEM

 

[LaverdaIan]

Like Keith said.. simple, effective.

8)

 

[Paul Marx]

That'll work if you want to push it deeper into the cylinder.

Sorry, went too quickly, thought "caliper".

So, just stick a big nail into the outlet and a gentle wallop.

Paul

 

[Davo]

Fan of the 6" Nail myself.