I cannot do any further adjustment on the old girl's brakes. I plan on buying new brake shoes but wondering if other parts of the brake setup are likely to be significantly worn e.g. the cam.
B7100 Brakes
- Thread starter Dennis
- Start date
Well, hard telling but I doubt you have any other problems. All I can say for sure is that simple shoe replacement solved all my problems.
do yourself a favor and take apart the cam asembley there are 2 orings in there that might need to be replaced and it can also bennifet from a good coating of grease. I ended up having to heat and beat my cams out because everything was frozen up and the orings were bad, eventually I'll start a thread for the restoration of my b7100. started out just repairing a few little things and now i'm doing a full blown restoration. oh and pull the drums off and check the oil seals behind them, ran into a big snafu because of a leaky seal.
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hade breake problems too tuck shoes off and sent them to be repadded save a lot of money doing that breakes squeal alot but work great i think the cost was about 150. for all 4 shoes
You're right on the money Drescruis. Found all of the above problems. Seal behind brake drum is seeping just a little oil so I've ordered a new one.
Also, when I fitted my aftermarket brake shoes the brake drum wouldn't fit over them
Had to grind the metal on the ends of the new brake shoes back a little , and also clean rust off the old cams and drums ,to get the required clearance.
Take care with all the worn off brake lining debris you'll find; I suspect that being from around 1980 , it's probably asbestos, so wear a dust mask and don't blow it around.
Did you happen to notice the thickness of the lining on your new shoes and/or the inside diameter of the drum? The width of the shoe face?
I'd like to order new lining to install myself on my existing shoes on both left & right brakes.
I didn't realize how expensive replacement shoes are (~$100 on the internet, for each pair of shoes) until after I'd freed up the brake shaft on the right side, replaced o-rings and snap ring from the local hardware store, using Never-Seize to lube the cleaned up shaft and to fill the lube groove between the o-rings, and reassembled so I could use the machine while I waited to receive new shoes.
I wonder if there is a risk of breaking the brake lining when bending it around the shoe when the radius of the shoe is so small (I'm guessing from memory that they might be 3-4 inch radius (6-8" inside brake drum diameter)?
kubotasam
Well-known member
Equipment
B2410, B7100dt, B7500,Woods BH750,Landpride 2660RFM, Tiller, B2781 Snowblower
I used lining sold for motorcycle/scooter that I found on E bay. It was the correct width and bent to the radius very easily.
Do you remember what thickness the new lining was, or better yet, specifics on what/where you ordered it?
kubotasam
Well-known member
Equipment
B2410, B7100dt, B7500,Woods BH750,Landpride 2660RFM, Tiller, B2781 Snowblower
I just looked a the leftover piece. It measures 1" wide and 3/16" thick. I can't find the order information.