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Thanks for the info guys. You’re right Jon about saving fuel if I done it myself. It’s about a 100 mile trip to Houston and you don’t take your coach in there unless you’re dropping big bucks. Gonna check on a air over hydraulic jack and make me some stands where I can get under and fix some of the things myself. I’ve gotten lazy the last year or two! You boys have been a big help and I understand a lot more now than I did a few years back when I bought this coach.
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Glen,
A lot of us have done a lot of work ourselves on your vintage coach and if you choose to do some of your own work that having some good supports will be very important to you. I literally used to use hardwood blocks at one time.
If you opt to readjust your brakes and need help just let any of us who have done this before and we can talk you through it while you are under the coach with your cell phone and wrench.
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Forgot I wasn’t just talking direct to Glen. Knowing his background and knowledge of—- don’t get between rock and hard spot mentality. Block wheels if there is a chance your coach might roll! a safety block or stand if coach is aired up so you don’t get between the rock and hard spot (coach and ground). stay safe stay alive. We have alot of adventures ahead to live for!!!
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I used to adjust my car brakes so that there was a slight drag noise when spinning the wheels. Is this the same for the bus or should you have no drag at all.
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The accepted practices for slack adjusters is apparently to tighten the adjuster, and then back off around 1/4 to 1/3 of a turn.
However, Bendix considers brakes to be properly adjusted if the push rod on the brake chamber travel is within specified limits. The travel limits vary based on brake chamber size with less travel on smaller diameter brake chambers and greater travel on larger diameter brake chambers. Regardless of brake chamber size the red ring, if visible indicates the push rod travel is excessive.
A number of sites say to adjust the brakes if the push rod travel is 1″ or more. Other sites specify two travel limits, one for the mechanic to manually apply the brake at the slack adjuster, that being a smaller value, and the other method is to measure based on someone applying the brakes, with that amount of travel being greater. The allowable travel the DOT specifies is found on the link below.
As to if the brake drags a little, I would think they are a little too tight if that is the case. If properly adjusted there should be no drag.
http://www.fmcsa.dot.gov/rules-regulations/administration/fmcsr/fmcsrruletext.aspx?reg=393.47
http://www.th.gov.bc.ca/cvse/references_publications/booklets1-6/pdf/PI221.pdf
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Update Guys on heating problem experienced on way home from Prevost Houston. Was going to get it back in and coudn’t meet appointment because of work related issues. Found (or my mobile tech did) that the belt on fan wasn’t tightening up and belt was slipping. Asked me if I had adjusted tension, No. Tightened up and made trip to Corpus Christi last weekend and never got above 195 pulling F150 crew cab ford , outside temp about 85. . Tech left for Florida and haven’t talked to him but I figure there is a valve to open and close for belt tension. Engine didn’t start heating until I went in for wheel seal replacements. Must have leaked down. Haunted bus strikes again.
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That was about that time………Silly face…Glad I’m not the only one that admits the tru-cause here in the end…….crap happens…..that is totaly unrelated to what is appearant… My happy thought of the day. Bob
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Thanks Bob for the insight. I’m having trouble with a loose belt and you are totaly rebuilding a coach. I feel small. LOL!
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It was intended that way—–gets me all the time!!!
Not feeling small–as a understanding of something—funny to me… boy having time getting thought out today… the ghost to me is something I use to explain a thing I overlook or just plain flew past my brain at a 1000mph… All in fun here…… Among friends I hope……
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Glen,
I am a cynic and probably with good reason. If others work on your coach it almost requires you to inspect every single thing that had been done or was potentially touched.
The posts over the years about owners finding issues is a large number.
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Yeah, gotcha Jon. I’m gonna start doing a lot of the goodies myself. I’m about halfway retired and have a barn now to work on it. The valve for belt tension is inside, above door in engine compartment. It had gottin partialy closed at Prevost somehow and fan belt were slipping. Didn’t have but 100 miles to drive and if you went slow it stayed under 195. Over 55 mph and it would heat up.
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