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Rear Brake Locks

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CSM

Posts: 34

Joined: Sun Jan 08, 2006 6:31 am

Location: Northern Indiana

Post Mon Sep 24, 2007 2:27 pm

Rear Brake Locks

H-D used to have an available mechanical rear parking brake lock (a little saw-toothed lever that bolts to the brake pedal) on sidecar-equipped Pans and Servi-cars. Seems like they dropped this feature when hydraulic rear brakes were introduced. Is there any reason that this type lock won't work with "juice brakes"? Just curious as I see these ratchet levers occassionally at swap meets and it would have been very useful on the sidecar rig I owned many years ago.

CSM
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otis

Posts: 85

Joined: Tue Jan 14, 2003 1:01 am

Location: Honolulu/Kahului, Hawaii, USA

Post Wed Oct 10, 2007 12:19 pm

Re: Rear Brake Locks

I don't see why you couldn't use one on hydro. brakes as long as they are well maintained. If your seals, brake lines or fittings are worn, the fluid under pressure could leak making your parking brake ineffective. If the leak is in the drum and saturates the brake lining you may be in for more trouble when you hit the road. Some servi-cars with mechanical front drum brakes came equipped with parking brake levers as well. The notched mechanism was on the hand lever. One option might be to convert your front drum to a 2 cam mechanical system and install this instead of the rear.
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Chris Haynes

Posts: 2629

Joined: Wed Jul 05, 2000 12:01 am

Location: Los Angeles, CA

Post Thu Oct 11, 2007 9:03 pm

Re: Rear Brake Locks

They went to a front brake lock. A simple device on the hand lever.Refer to the parts book for illustration.
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Limey_Dave

Posts: 202

Joined: Mon Oct 02, 2006 3:08 pm

Location: Middle England UK

Post Fri Oct 12, 2007 1:40 am

Re: Rear Brake Locks

Maybe they went to front lock because when cooled down the drum would contract and you wouldn't get the lock off or the extra pressure would cause seals to leak down.
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Chris Haynes

Posts: 2629

Joined: Wed Jul 05, 2000 12:01 am

Location: Los Angeles, CA

Post Fri Oct 12, 2007 9:00 am

Re: Rear Brake Locks

If a brake drum cools down while the shoes have pressure on it the drum will be severely out of round untill is is evenly heated up again.
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CSM

Posts: 34

Joined: Sun Jan 08, 2006 6:31 am

Location: Northern Indiana

Post Sun Oct 14, 2007 12:15 am

Re: Rear Brake Locks

Actually, I have a '68 Servi that has the front brake lever lock. Seeing one of the old foot brake pedal locks at Davenport caused me to wonder why H-D switched to this type. Just curiosity on my part.

CSM

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