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Farmall & IHC Tractors Discussion Board |
Re: International 484 parking brake question
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Posted by JB2 on September 24, 2004 at 19:15:29 from (24.157.143.220):
In Reply to: International 484 parking brake question posted by Jonboy on September 24, 2004 at 16:36:15:
Hi, re parking brake, there are usually two problems with the parking brake.
1)Someone leaves parking brake on and drives the tractor around because the idiot light on the dash is burnt out. Since the parking brake is inside the trans/diff case, then all the brake lining bits get in the hydraulic oil and clog the filter and the screen on the input to the hydraulic pump or plug the MCV that supplies hydraulic oil to power brakes and steering. The solution to this problem is replacing parking brake band and flushing out trans/diff and hydraulic system. See post "Hydraulic screen mess" above on this page. This is on 574 that has basically same setup but different engine. 2)The next are problems are parking brake control cable requires adjustment or is broken.
Re Brakes getting air if operated without engine running. Possible causes are air leak in hydraulic hoses feeding brakes or lack of hydraulic oil for brakes. Newer models had a hydraulic oil reservoir under the battery box to hold an oil supply for the brakes.
Maybe Bernard Le Mecano will offer some advice as he has worked on hundreds of these UK made models. Good luck
JB2
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