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Farmall & IHC Tractors Discussion Board

Re: Magnum 7140 transmission


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Posted by pete 23 on November 04, 2013 at 11:04:42 from (74.33.75.51):

In Reply to: Magnum 7140 transmission posted by Nathon on November 03, 2013 at 16:18:04:

I have never been a big fan of letting an engine run idle for a long period of time to warm up. Much rather run a few minutes and then under moderate speed and light load gradually increase speed and load to warm engine. BUT, that being said, with all the hydraulics on that tractor you need to let it run for a quite a while to get hydraulic fluids warmed up some. On these pfc hydraulic and closed center valve hydraulics, no oil is going through much of anyplace when not being used so some hook a hose from one aux valve coupler set and circulate the oil though during warm up. The lube system oil will be running quite a lot of oil through system but all the transmission clutch's are dead headed so no circulation through them. Forty gals of cold oil takes quite a while to warm up.


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