I fulltime,been in the coach (primarily since 2005).
If there is anything that I dislike about my Coach,this is it.
Facts:
1977/8 Eagle 05
8v71n
mitre box drives fan (plastic) and alternator.
Fan belts two (Gates B86) 89 inch circumfrance
21/32 wide.
Problem:I average less 6000 miles per set.
Are these the correct belt ?
My adjuster/adjustment is a pivotal idler with a stub dowel ON THE BEARING/SHEAVE PLATE that appears to be a/the fulcrum point to utilize a pry bar to accomplish the tension adjustment.Is this the stock/original set-up ? IIRC, THE PIVOT BOLT IS 3/4" and the holding bolt is 5/8"
I have tried (in vain) to find EXACT Matched sets.
Currently one belt is in the sheave groove (properly),the other is rolled over in the sheave.
The longest lasting (current)set was installed using a small bottle jack to adj.the tensioner,(jacking on stub/pivot pry point)...pry bar installed belts have never made 6K miles,even with a cheater pipe....they have slipped and burned up,(lol,i can smell it starting 40 feet away,gives me maybe a mile and a half to get to a safer place so i can put out the triangles and flares...lol)
I am wondering if a C86 belt which has a 7/8 top width is the correct belt vs the 21/32 that is there.
the cost of replacement is no big deal,but the location of replacement can be a PITA...
any thoughts,I don't want a hyd/air clutch fan,I just want to get a real life expectancy from my belts.
I have replaced a LOT of belts in my time but these have me stumped.
Any thoughts ?
PS.I KNOW THAT THERE ARE SEQUENCING NUMBERS ON BELTS,THAT THEY ARE CUT FROM A "PIPE" AND THAT MATCHED SETS ARE NUMERICALLY CORRESPONDING.
DOES ANYONE KNOW A DISTRIBUTOR THAT WILL SHIP MATCHED SETS,I think that is my problem....but
any thoughts or education or experiance APPRECIATED !!!!.
PS hope i have made an understandable post,getting my thoughts on paper isn't my strong suit....
i rode in the small yellow bus
![Smile :-)](./images/smilies/icon_e_smile.gif)