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September 7, 2011
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hilltrac
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| Lifetime Member | posts 4 | |
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I,m looking for information to replace the brakes on a 1998 nortrac 3500 dozer. Has anybody done this and how "hard" was it. How much do the parts cost? Have to stand on the pedal mightily to get a turn out of er. Legs getting too old for this! Thanks.
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September 7, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Post edited 2:08 pm – September 7, 2011 by Bob Rooks
Hi hilltrac, welcome.
Because of it's age I believe you have a Guilin dozer. Before digging into this project I have to ask; what are your abilities, and what are the facilities you will be using. I have a series of pics to use as a guide. More than likely the lining has become saturated with oil from a bad seal in the differential which will have to be replaced as well. There are drain plugs for the steering compartments that must be checked regularly for this.
Parts are available at Circle G Tractors and probably some other dealers that sell the dozers. You will have to check with the dealers for parts compatability.
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September 7, 2011
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hilltrac
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| Lifetime Member | posts 4 | |
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There isn't any oil on the brake, just worn out I believe. No problem on the abilities, just on the inclination! Would do it in the garage with a hd chainfall and lots of blocking. Have 3/4" drive sockets, etc. Pictures would be a nice help.
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September 7, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Post edited 3:23 pm – September 7, 2011 by Bob Rooks
Ok, first you'll have to safely block it up and then remove the tension from the tracks by backing off the idler. Then drop the tracks and remove the sprockets. Next you will have to remove the seat for better access to the top of the steering compartments.
Do you have the ROPS?
Doubt you will need the 3/4 drive for this, you might twist off a fastener. 
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September 7, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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Reading intently… 
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September 7, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Hi Grizz, come along for the ride.
I forgot to ask. Hilltrac, have you adjusted the brake bands before? 
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September 8, 2011
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hilltrac
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| Lifetime Member | posts 4 | |
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Bob,
My brother adjusted them twice over four years time. The dozer sat for a year or so and I adjusted them according to the manual from nortrac. The adjusters are now all the way in and the left works pretty well, but the right is a bust. To turn right we reverse with left brake on which ends up going right when you go forward again. So, the bands can't be replaced thru the top plate without pulling the tracks?
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September 8, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Post edited 10:38 am – September 8, 2011 by Bob Rooks
Used to use your method to get Cats out of the woods to where we could work on them.
(Ok, we'll try it your way first since this will have to be done anyway.)
First remove the seat, linkage, and cover plates from the steering compartments. Let me know what you find.
I asked if you had a ROPS, do you? This can be used to lift the saddlebags away from the frame. An overhead gantry crane can be very helpful here, otherwise you'll be doing it the hard way.
Approximately how many hours on the machine?
(Using this as an example – FYI everyone: This is a great reason to keep your feet off the pedals unless you're using them, and this is true of ANY machine. Riding the pedals equates to premature failures, machine down time and a lot of extra unnecessary work.)
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September 8, 2011
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hilltrac
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| Lifetime Member | posts 4 | |
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Bob, thanks for the info.
Yes, it has ROPS and we have an outside "gantry" to pull the saddle bags, then work in the garage(it's getting cold already in northern Maine). It has 1003 hrs. and most were put on by the previous owner in a wood cutting operation. It was probably rode hard and put away wet more than once.
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September 8, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Post edited 2:23 am – September 9, 2011 by Bob Rooks
That's great to know, lots of maneuvering.
Unpin the top of the sweeps and pull the ROPS. If you had a gantry inside you could use it to lift the saddlebag frame assembly saving a whole lot of hassle. Unbolt all of the remaining bolts holding the saddlebag frame to the differential, transmission, and front ROPS mounts and lift the whole assembly up about 8" to 10" (tilt up from rear), that's all you'll need to clear the final drives and have good access. I'll post a pic when I get home.
You won't have to take it down quite this far, but it gives you a general idea of where you're headed. I would also dissasmble and qualify the steering clutches while I'm in that deep.
Btw, this isn't my pic. I gleaned it from somewhere in the old forums, when they weren't old. 
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September 10, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Well this doesn't seem to be progressing as quickly as I had anticipated.
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September 11, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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I don't know about the OP but for me, if I was doing such a repair, there would be long gaps between steps. The location for the tractor is far far from internet access. I believe many on here have the same condition.
Personally I'm still on the edge of my seat for that other thread about tearing down the Guilin dozer that other guy has.
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September 11, 2011
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pepage
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| Lifetime Member Expert | posts 119 | |
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Personally I'm still on the edge of my seat for that other thread about tearing down the Guilin dozer that other guy has.
Me too!
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September 11, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Grizz wrote:
"I don't know about the OP but for me, if I was doing such a repair, there would be long gaps between steps. The location for the tractor is far far from internet access. I believe many on here have the same condition."
You are absolutely right, and I apologize. I'm just so used to having everything at arms reach (smart phone tethered to laptop when in the field, or just the smart phone alone). Technology has really spoiled me I guess.
Personally I'm still on the edge of my seat for that other thread about tearing down the Guilin dozer that other guy has.
Yep, the fellow with the real nice shop.
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September 11, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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Post edited 2:48 pm – September 11, 2011 by Little_Grizzly
Grizz wrote:
"The location for the tractor is far far from internet access. "
I should qualify that statement. My dozer is currently in Keno, OR since it hasn't been delivered yet.  But AFTER it gets delivered (hopefully this week) THEN it will still be a rough 9 miles away from internet access.
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September 11, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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If you have G3/4 on your cell phone then no problem. You can go to pda.net and download the free app to use to tether your phone to a laptop (or even a desktop). Works great. I'm using it right now. Works anywhere the phone does.
Congrats on the new dozer, Tom will treat you right!
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September 11, 2011
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Little_Grizzly
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| Lifetime Member Expert | posts 184 | |
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Unfortunately even beyond cell phone reach. Amazing such a place still exists no?
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September 12, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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September 15, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Post edited 11:35 am – September 15, 2011 by Bob Rooks
I believe Hilltrac lost his "inclination" 
when he found out you can't replace the brake bands through the top cover plate. Must be his first dozer… I said they were higher maintenance than a wheelie, but it's justified.
No disrespect meant…
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September 17, 2011
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Bob Rooks
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| Lifetime Member Platinum Elite | posts 868 | |
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Unfortunately, I believe he's gone. Sorry to say.
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