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JCB 805bt

Discuss excavators here

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perdixrouge
Posts: 29
Joined: Sat Nov 21, 2009 10:55 pm
Real name: Peter
Location: Herts

JCB 805bt

Post #1 by perdixrouge » Tue Dec 20, 2016 2:24 pm

Hi folks. Does anyone out there have any info on setting PRV's /replacing main hyd pump/rebuilding same..... My old girl is a little weary in the hyd. department, and I would like to rectify this, but with workshop manuals slightly less common than peace in Syria, it's a bit of a challenge. Before binning the existing pump, I need to ascertain that it is the pump thats tired, not an incorrect setting on a PRV or a stuck valve etc. Its a triple pump with three test ports, does it need three gauges at the same time, or can I test each section seperately....... any and all info on the machine will be welcomed.

Cheers,

Pete


tom262
Posts: 11
Joined: Sat Feb 27, 2016 6:31 pm
Real name: tom mc laughlin
Been thanked: 2 times
Flag: Ireland

Re: JCB 805bt

Post #2 by tom262 » Wed Dec 21, 2016 6:44 pm

you would be better flow testing pumps first,i have a manual i will have to look for it tomorrow


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