Re: 1929 645 Brake & Clutch Question

Posted by Owen_Dyneto On 2010/3/19 13:10:04

Can you elaborate a bit on the brake problem? I believe you have the 3-shoe Bendix mechanicals which are very competent brakes but perhaps you need to go thru the adjustment procedure - it's a bit tedious but very worthwhile. I believe I have a copy and if no one else beats me to it, I'll ammend this post and add it when I find it.

As to the clutch - you didn't say if you have any free play in the pedal. The pedal must have some, typically about 1 inch, of free travel from the upper position before you begin to feel the resistance of the pressure plate springs. In the absence of free play, the pedal can top out on the toe board before the pressure plate is fully engaged, the result would be a high pedal and eventually, clutch slip and a burned clutch. Why not check that first and let us know, and we can go from there. Free play is typically adjusted with some sort of turnbuckle device on the linkage. The 640/645 have a double-disc clutch, perhaps someone else who is more familiar with that can chime in with details.

BTW, that's one fine-looking Packard, Paul.