10-09-2012, 05:20 PM
Brad,
I suspect someone put the wrong brake chambers on your tag axle.
I'm not sure, but I think I have 12's on my tag which has a very short stroke. If you have 16's or 20's I think they have a 1/2" longer stroke which would account for you wheels locking up. I have either 20's or 24's on my front axle, so my tag chambers are noticably smaller than my steer chambers. The drive axle is the standard 3030's
OR
Now that I that I think about it there may be a compensating valve used on some tag or pusher axles.
My 2 cents
I suspect someone put the wrong brake chambers on your tag axle.
I'm not sure, but I think I have 12's on my tag which has a very short stroke. If you have 16's or 20's I think they have a 1/2" longer stroke which would account for you wheels locking up. I have either 20's or 24's on my front axle, so my tag chambers are noticably smaller than my steer chambers. The drive axle is the standard 3030's
OR
Now that I that I think about it there may be a compensating valve used on some tag or pusher axles.
My 2 cents
Gordon
1991 41.5' #266
8V92 DDEC II