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THIOKOL/LMC/DMC Technical Issues Forum Technical repair issues & questions for Thiokol/DMC/LMC

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Old 10-29-2008, 07:19 PM
gotyellow gotyellow is offline
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Default 1800 hydraulic schematic

I am working on a LMC 1800 with blade problems. Have replaced hyd. pump and flow control valve. When blade fluid has warmed up the blade becomes super slow.
Hydraulics are seperate from main hyd.s, use pump mounted on engine.
Would like a schematic if one is available, let me know.
Thanks this forum is totally awesome.
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Old 10-29-2008, 09:50 PM
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Thiokol2track Thiokol2track is offline
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Default Re: 1800 hydraulic schematic

When you say fluid, what are you using?? Have you tested pressure , both hot and cold?
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Old 10-30-2008, 10:49 AM
gotyellow gotyellow is offline
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Default Re: 1800 hydraulic schematic

This particular customer is using regular hyd. fluid rather than ATF.
I haven't tested pressures yet, but have replaced both the pump and flow control valve, wondered if the problem could be in the elec./hyd. valve body?
Don't consider myself an expert so thanks far all the help.
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Old 10-30-2008, 06:45 PM
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Default Re: 1800 hydraulic schematic

It seems I had this problem before.....it was a elecric over hydraulic unit ....It had a small screw behind the elec. magnet that triggered the spool. for adjustment which controled flow. Not sure if this is whats happening for you. maybe post some pictures for us.
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Old 11-02-2016, 09:38 PM
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Default Re: 1800 hydraulic schematic

I have a raidtrac snowcat 1800 are they rarely. where can i get information about them or pictures
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Old 11-02-2016, 09:56 PM
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Default Re: 1800 hydraulic schematic

Those other posts are 8 years old


But here is your link

http://www.raidtrac.com/
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