Re: HELP PLEASE....Mico brake on my 61 WM300 locking up..

Posted by CnR on Tuesday, February 27, 2001 at 9:34PM :

In Reply to: HELP PLEASE....Mico brake on my 61 WM300 locking up.. posted by Bob on Tuesday, February 27, 2001 at 1:35AM :

Some MICO brake locks were manual with a small lever on the dash or floor. The lever has a cam that pushes a poppet in. Fluid and/or spring pressure returned it. The electric model had a toggle switch that powered a solenoid that held the poppet valve down. A little dirt in the line (or installing the lines backwards) creates problems and sticks the poppet.

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