18-28 brake

Mark Poss

Well-known Member
I finally got a manual for my 18-28 and I was looking to either adjust or reline the hand brake but the manual shows steering brakes with the brake drums mounted on the outside of the transmission. I must have got the no frills model. All I have is a hand brake with a ratchet. Can someone tell me how to adjust or replace the lining? Thanks for your time, Mark
 
The internal brake usually doesn't need adjustment but, it can be adi0justed somewhat. You will need to remove the differential cover. You will see where the bolt at the end of the brake band goes through the brake ratchet shaft. You can (tighten) that nut. That will adjust the band tighter around the drum. Before you do that, make sure the lining isn't worn so thin that the rivets aren't cutting into the drum. If your lever doesn't go all the way to the end of the ratchet, you really don't have to adjust it. Those brakes run in oil and hardly hold on level ground. If you need a new lining, McMaster-Carr has linings that work in oil. Once you're in there you will be able see how to remove the lining if need be.

Now for your pulley question. A pulley from and 18-27 will work. Also a pulley from an 80 with a three speed trans. Serial# row crop 109152 to 109719 or standard serial # 803929 to 805319. The pulley from an 80 with a 4 speed trans has a different offset. Won't work. Also a 70 pulley's offset is different. Hope this helps.
 
Your welcome. I forgot to add just in case someone has a pulley but don't know what it fits, the part number for the pulley can be one of these. There were different diameter pulleys and they will all work. 14-3/4 to 22 inch. C-691-D, C-691-E, C-691-F & C-691-G
cvphoto20248.jpg
 
I have both 90s and 80s with the transmission hand brake. Quite effective and certainly far better than kl indicates. Stopping the 90 (with the C66 transmission) takes some effort from flat out (about 13mph?) but it works quite well. The linings do seem to be long lived and easily adjusted when required. The axle brakes were an option, I believe, so extra cost.

Row crops were fitted with independent brakes, connected to operate with the steering for tight turns, and the industrials had large drum brakes but I doubt many standard tractors were fitted with them.

RAB
 

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