How they actually work is they have a set point for maximum effective angle. If they go beyond that they ratchet. The procedure is to basically max out your brakes standing still and you'll hear the clicking as they activate the ratchet on activation. Do this a few times as each actuation only goes one pawl I believe.
As for manually adjusting brakes I don't know the actual rules for it, bit my first company mechanics seemed to think tightening the slack adjuster to contact them backing off a quarter/half turn to keep the pads off the drum was how it was done. Seems a bit tight. Amy comments on it?
Finally happened, ELD and over on my drive time.
Discussion in 'Experienced Truckers' Advice' started by Sportster2000, Apr 14, 2021.
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I have been completely abusing my ELD logging lately switching back over from bus to freight HOS rules has been of a bugger for me. 20 mile "yard move" when I left one of our job sites. Got back in the seat at 8.5 hr break, luckily I remembered the split shift rule which saved me from a violation. Took me a day or two to get back on track with the normal 10 hr day.
Hope im back on track now, geez.Doealex Thanks this. -
Wasted Thyme, snowwy and Doealex Thank this.
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Doealex Thanks this.
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I Try to get maximum time between adjustment.
Back off a half turn means a sooner adjustment again. -
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If you never apply heavy brake pressure AND the main spring in the brake can is old and weak the slack adjusters may not adjust properly... As long as the main spring is still strong it will adjust brakes every time you release and apply service air to the chamber. But once its weak it may not apply enough forse to adjust the brakes... I see this problem alot with older trailers, and I manually adjust them frequently.
Accidental Trucker Thanks this. -
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or 2 clicks.
My very first local company. Made us adjust every morning. And we were checked before leaving yard. Owner wanted us all having manuals because they cheaper to replace.
And when your trucks are dirt trucks. Adjusters don't last long.Last edited: Apr 17, 2021
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