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Old 04-11-2007, 08:56 PM   #1
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Installing Disc Brakes - Question

I have received my disc brake kit (thanks Andy!) and I can almost tolerate the cold weather (4" of snow in April?), so I have started the process of installing the system. I wanted to route the brake lines on the back side of the frame but the two tanks are in the way to get in there and work. What do you all think of running the brake line attached to the vertical walls of the tank covers? This would avoid installing the lines in the wheel well area. How much clearance is there between the wall of the tank cover and the actual tank ... is there enough for a rivet? I think I should use a rivet rather than the pointed screw.
"Tanks" for your help,
Doug
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Old 04-11-2007, 09:02 PM   #2
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Originally Posted by Sunset Coast
What do you all think of running the brake line attached to the vertical walls of the tank covers? Doug
hi doug

i think that is a very bad idea.

frame members, belly wrap, axle mounting steel...

good choices all.

cheers
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Old 04-11-2007, 09:54 PM   #3
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I'm no expert by any means but it appears the arm that goes from the axle to the wheel is level with the ground. If so doesn't that mean your axles are shot?
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Old 04-11-2007, 09:59 PM   #4
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I would be changing the axles also, as soon as a load is applied your axles will be going in the wrong direction. Sorry you need to get a few more grand involved. Mine had the similar look to them. DG
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Old 04-12-2007, 12:15 PM   #5
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Quote:
Originally Posted by Sunset Coast
I have received my disc brake kit (thanks Andy!) and I can almost tolerate the cold weather (4" of snow in April?), so I have started the process of installing the system. I wanted to route the brake lines on the back side of the frame but the two tanks are in the way to get in there and work. What do you all think of running the brake line attached to the vertical walls of the tank covers? This would avoid installing the lines in the wheel well area. How much clearance is there between the wall of the tank cover and the actual tank ... is there enough for a rivet? I think I should use a rivet rather than the pointed screw.
"Tanks" for your help,
Doug
If you use a rivet, make sure it's stainless steel.

Doug, the bad news is your axles are shot.

The torsion arm, withou load should be about 20 degrees or more downward.

Yours are almost parallel to the groung or chassis, with no load.

Don't waste your time installing the discs on the axles that you have.

Andy
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Old 04-12-2007, 12:25 PM   #6
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Doug, Andy can get axles for you, then you can have the whole enchilada, and not have to worry about them for another 20 years or so.
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Old 04-12-2007, 09:03 PM   #7
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Axle angle

I still had the wheels on the other side ... would that affect the "tilt" or lack of tilt of the axle arm?
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Old 04-12-2007, 10:57 PM   #8
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Quote:
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I still had the wheels on the other side ... would that affect the "tilt" or lack of tilt of the axle arm?
Hi, No. They are all independent.
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Old 04-13-2007, 10:51 AM   #9
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When the trailer is sitting on its wheels what is the angle of the "arm?" I can't tell from that picture if the arm is on a jack stand. If not it doesn't look good.

According to Andy if its less than 20 degrees you have a worn out axle. Yeah it's a pain in the pocket and the neck.

The other side of that coin is first the new axle will last for a couple of decades and your trailer will not beat itself apart as you really have no suspension with a shot axle. My opinion is that an axle or two is cheaper than the damage caused by no suspension.
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Old 04-13-2007, 05:42 PM   #10
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OK - New Axles it is

I really appreciate all the information and insight... that's the incredible value of this forum! I have ordered new axles and should have them in several weeks. I'll keep working on the brake line routing in the meantime. This is going to be tight timing for our first ever rally (Moraine in Illinois June 8). Keep the advice coming! Doug
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Old 04-14-2007, 12:25 AM   #11
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Quote:
Originally Posted by Sunset Coast
I really appreciate all the information and insight... that's the incredible value of this forum! I have ordered new axles and should have them in several weeks. I'll keep working on the brake line routing in the meantime. This is going to be tight timing for our first ever rally (Moraine in Illinois June 8). Keep the advice coming! Doug
Hi, I've heard this several times; "Routing the brake lines" I haven't seen these kits, but I can't believe this kit does not have instructions and diagrams showing how and where to run the hydraulic lines. I see big problems, down the road, if everyone out there runs the brakes lines however they want to. Brakes are a major safety item and should be installed consistantly or by a certified brake technician.
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Old 04-14-2007, 03:09 PM   #12
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Yet another question

I believe I have found a good arrangement for locating the brackets for the flexible hose connection. I wanted to avoid a "loop" in the direction of travel and I think this will work nicely. For the front brake I can feed the steel line up between the tank and the frame so it's protected. For the rear brake I can do a 180 turn to get the brake line between the frame and tank. Both of these positions appear to provide adequate flex and travel of the flexible hose. Any concerns / thoughts before I charge ahead? (these pictures still show the old, worn out axles ... actually helps me with the positioning of the brackets since it's the mid point of the rotation of the spindle on the axle.)
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Old 04-14-2007, 04:29 PM   #13
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Shocks O.K.?? now would be the time!
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Old 04-14-2007, 04:36 PM   #14
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hi sunset coast...

in time for the rally? ah brakes are over rated and it's mostly flat 2 illinois, anyway...

imo the final bracket needs to be closer to the hub assembly..

and with the lines up further, away from potential debris or snagging issues...

lost of pics posted on line/bracket positions...

here for example...

showing both inner and outer rail options...

http://www.airforums.com/forums/f439...ics-30727.html

the pix i posts (long skinny ones) r small but can be opened in a new window for a LARGER view...

and in some of the restoration threads...

perhaps uwe thread?


cheers
2air'
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