Posted 11/30/2012 10:19 (#2724889 - in reply to #2694902) Subject: Re: JD4640 hyrdaulic filters/pump questions
ecmn
1800 wont hurt but you can easily turn it up to 2300 psi where it should be. on the bottom of the pump above the axle you will see a 1/2" nut with a hex bolt in it, loosen nut and turn bolt up until you see 2300 psi.
JD4640 hyrdaulic filters/pump questions
