Dustydukes Posted June 8, 2016 Report Share Posted June 8, 2016 Here's the skinny. I have a 77 620. I've been trying to get her on the road for canby. Went to test drive it after doing some work on it. went to brake while backin out of the driveway and boom right rear brake locked up and now it won't move. Quote Link to comment
datzenmike Posted June 8, 2016 Report Share Posted June 8, 2016 What work? Brake work? Make sure parking brake is backed off. On the rear side of the backing plate you can reach in with a screw driver and turn the adjuster to back the shoes off. 1 Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 Can't back the adjuster out. Un hooked the brake line. Still no give. Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 A little break Work. mainly just bleeding the lines in the front. Also replacing the intake and exhaust gasket. Man that was a bitch. Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 What I mean by I can't get the adjuster backed out is that things are so screwed/rusted that the star wheel won't turn Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 Okay I was able to tap the adjuster more towards Center. And the drum will turn a little bit, but the adjuster moves with it. Expletive! Sorry about all of my numerous posts in the thread. I'm really ADHD and have a hard time with complete thoughts. Quote Link to comment
MikeRL411 Posted June 8, 2016 Report Share Posted June 8, 2016 Sorry about all of my numerous posts in the thread. I'm really ADHD and have a hard time with complete thoughts. Don't tell your adjuster adjuster! Quote Link to comment
Lockleaf Posted June 8, 2016 Report Share Posted June 8, 2016 The adjuster is supposed to slide freely in the backing plate of the drum. If you can tap it forward enough, take off the drum, clean, lube, put back together. Star wheels can often be disassembled cleaned and lubed. I just did this to all four corners of a 620. I had a couple stiff star wheels I had to take apart by twisting and tapping with them pinched in my vice. Quote Link to comment
flatcat19 Posted June 8, 2016 Report Share Posted June 8, 2016 Rear brakes are too loose. Shoe is wedged. Get a BFH and get those drums off to see what the problem is. Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 The adjuster is supposed to slide freely in the backing plate of the drum. If you can tap it forward enough, take off the drum, clean, lube, put back together. Star wheels can often be disassembled cleaned and lubed. I just did this to all four corners of a 620. I had a couple stiff star wheels I had to take apart by twisting and tapping with them pinched in my vice. Thank the lord! Also brake is free now. Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 Rear brakes are too loose. Shoe is wedged. Get a BFH and get those drums off to see what the problem is. That's next on the list. It's a bit late to start hammering, so it'll have to wait until tomorrow. I'll keep you posted! 1 Quote Link to comment
Draker Posted June 8, 2016 Report Share Posted June 8, 2016 Glad to hear you got the drum removed. I've had to cut them off before. Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 Glad to hear you got the drum removed. I've had to cut them off before. Not removed yet. It just spins freely now. I'll try to get it off tomorrow. Quote Link to comment
Draker Posted June 8, 2016 Report Share Posted June 8, 2016 If it's spinning, it will come off. 2 Quote Link to comment
datzenmike Posted June 8, 2016 Report Share Posted June 8, 2016 The 620 has two small tapped holes on the drum between the studs. Get two 10mm head bolts with the correct thread and start them in. They will bottom out on the axle and as you keep turning will pry the drum out and off. Have a care, if the shoes are really clamped on this can will rip the shoes right off as well. Doing this with constant tapping on the drum with a hammer will dislodge the drum, just take your time. The star wheel adjuster can usually be gotten apart with some heat and some brake lube used to keep it from seizing again. Quote Link to comment
Dustydukes Posted June 8, 2016 Author Report Share Posted June 8, 2016 The 620 has two small tapped holes on the drum between the studs. Get two 10mm head bolts with the correct thread and start them in. They will bottom out on the axle and as you keep turning will pry the drum out and off. Have a care, if the shoes are really clamped on this can will rip the shoes right off as well. Doing this with constant tapping on the drum with a hammer will dislodge the drum, just take your time. The star wheel adjuster can usually be gotten apart with some heat and some brake lube used to keep it from seizing again. So turns out that the previous owner snapped off a couple of bolts off in those holes. I'm liking flatcats beat it with a hammer idea more and more. Quote Link to comment
Dustydukes Posted June 9, 2016 Author Report Share Posted June 9, 2016 Got it off. Bad news. The braking surface of the shoes had come separated from the shoes themselves. Looks like I get to learn how to how install shoes buy myself on Friday. Quote Link to comment
flatcat19 Posted June 9, 2016 Report Share Posted June 9, 2016 Disassemble adjusters clean them up. Only disassemble one side at a time. Buy new springs. Now is a great time to do the cylinders and machine drums. There is nothing to replacing the shoes. 2 Quote Link to comment
flatcat19 Posted June 9, 2016 Report Share Posted June 9, 2016 Oh...have a really nice set of diagonal cutters. Quote Link to comment
banzai510(hainz) Posted June 10, 2016 Report Share Posted June 10, 2016 If nothting wrong with the cylinders and look like jap made ones keep them in there The new taiwain or Italy units dont last but 5 years Quote Link to comment
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