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09-15-2018, 05:27 AM | #1 |
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Join Date: Feb 2014
Location: Warrnambool, Victoria, Australia
Posts: 800
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Assembling rear brakes - is this correct?
Looking for advice in reassembling my rear brakes.
Correct orientation of service brake arm Does the service brake arm go onto the cam shaft with the tapered side towards the backing plate, as shown in the photo? I’m missing the dust rings, so am held up on the reassembly job. Would a rubber O-ring do a better job of keeping dust out of that join anyway? I can’t imagine how a metal ring keeps dust out. Does it sit snug on the camshaft in between the arm and the housing or is it large enough to sit over the narrowest part of the taper (in which case could I use a generic non-Model A part)? Inserting pin through service brake arm One of the photos shows a repro pin, sitting on top of the service brake arm in the position that it has to go. What is the best way to install the pin? It also looks much too long, from memory it’s longer than the one that I had to get pressed out. Is that an issue? Do I drive it right in, leaving all the extra length hanging out at one end, or try to equalise the extra length on each side? Lubricating the emergency brake toggle shaft (No photo) This shaft was frozen when I disassembled the brakes. I’m not surprised because I can’t see how this shaft gets lubrication. Am I missing something obvious? Should I install this shaft with some grease (I think so)? Then what? |
09-15-2018, 05:42 AM | #2 |
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Join Date: Mar 2015
Location: Greenville, SC
Posts: 1,099
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Re: Assembling rear brakes - is this correct?
Correct on the service brake arm. Dust ring value? - questionable.
Pin - equal amount on each side and peen or press upsets on each side. Grease the shaft before installing. John |
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09-15-2018, 10:17 AM | #3 |
Senior Member
Join Date: May 2010
Location: Southern California
Posts: 3,131
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Re: Assembling rear brakes - is this correct?
The emergency break shafts can be modified to add a grease fitting. See attached.
Tom Endy |
09-15-2018, 10:45 AM | #4 |
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Join Date: Apr 2011
Location: Davenport, Iowa
Posts: 2,112
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Re: Assembling rear brakes - is this correct?
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'Makes remembering the arm's orientation easier, doesn't it? Marshall |
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