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| | | | Joined: Jul 2011 Posts: 257 Shop Shark | | Shop Shark Joined: Jul 2011 Posts: 257 | Adjusting the brake shoes on my '59 1/2 ton. In looking at the shop manuals instructions, it says to adjust until you get a light drag and then back off seven clicks. I understand the procedure, but everyone has a different interpretation of what " Light Drag " means. Does it mean, adjust until you JUST hear a rubbing noise. Or does it mean adjust until there is a noticeable resistance? | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Adjust them till you get a heavy drag. Then back itb off about 4 notches. You may get a little rubbing but it doesn't hurt. The shoes float in ther & usually rub on one side or the other. I have been doing them like that for 60 years & have a good high pedal.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Feb 2004 Posts: 29,838 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,838 | Tighten the starwheel until you get a firm drag, enough that it takes a little effort to turn the wheel. This seats both shoes firmly against the drum and pushes the pistons into the wheel cylinder fully, but does not lock up the wheel. Then retract the adjuster ONE FULL TURN of the starwheel- - - -usually 8 to 10 clicks. If that seems like a lot, remember that it's only one thread on the adjuster bolt. That's less than 1/16". Ignore any "drag" or scuffing noises, as there's no telling where the shoes on a Bendix brake will end up once the tension against the drum goes away. The bottom of the shoe assembly "floats" and self-centers itself when the brakes are applied. Just backing off until the wheel turns freely doesn't allow for enough clearance to prevent drag as the shoes heat up after a few stops.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Apr 2010 Posts: 146 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 146 | Good to know. I recently installed new drums and shoes on my 52' 1/2 ton. The book doesn't define exactly what "light drag" is. Now I can adjust my brakes correctly! Thanks | | |
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