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case ih 4230 pto problems

Bill Burge Have a customer with a 4230, he has pto problems, sometimes it cuts out, have tested pressures and was ok at mcv, but low at test port indicating a problem in clutch pack. removed clutch pach ,but wasnt as bad as expected, however fitted new parts to be sure, also checked seal rings on pto shaft, rebuilt and tested, pressure good, job done. A few months later its happening again, he says when going downhill, but oil level ok and his hills arent that steep, tractor has loader etc and forward/ reverse shuttle, all seem to be fine other than this intermittant fault, any ideas ?
AJ Have a look and see that there is nothing fouling the control linkage,if the linkage is loose or the cab or something else is moving the linkage,I think something maybe moving the control as the clutch is unlikely to drive one minute and not the next.

mark edmondson Hi did you ever get to the bottom of this problem? Just ive got the same symptoms but can do it while standing still on a slurry pump. Hyd filer and level fine, linkage ok and has very low pto hours on it. Has shuttle as well as a loader with no other hyd faults. thanks mark
Bill Burge Mark, hello, no i havnt yet, assumed customer had said nothing, so faul must have gone, WRONG !
he now says he is getting occasional loader problems ,as in very slow and week, for a minute, then ok again all day ? i am currently trying to sort myself a flow meter to test pump flow etc, as now im self employed i dont have one, and have been quoed nearly a thousand pounds for a suitable one, nearly the worth of the tractor !!
Keep in touch.

Randy Judy Anyone come up with a fix/cause for this?I have a 4230 that loses the pto when it gets hot.
Bill Schofield I have a 4230 with cab, loader and mfwd. The PTO quits after it gets warm but works fine if I engage the front wheel drive.
marcus gerrard hi i used my pto yesterday and after 15 mins topping the pto drive stopped but would start when i dipped the clutch any ideas? its a 4230 with loader and shuttle
O.Fiaich Hi. I have a case 4230lp with a loader which has a p.t.o. problem and a reverse problem, first of all the pto would not work in reverse , but when you put it in forward it was ok , the problem showed up when we were topping , now reverse is gone , the tractor has a forward and reverse shuttle , could the problem be in the power pack for reverse / forward ?
John Decker Having the same difficulties with a 4210 with the reverser. Cut 2.5 acres with the discbine and pto stopped. Unhooked came home tried it again it started, went back to field rehooked started then stopped but would start momentarily when I would try swinging discbine into transport.Have done the same as above having gone through clutch pack and new o rings etc. in the MCV. Pressure seemed ok when we put everything back together and oil level is good. Only thing I have had a chance to try is hooking on a pressure gauge and seeing if the pressure drops when the pto starts cutting out.
tom Hi, we have got a case 4230 in with similare problems, pto burnt out but pressures tested out as ok, repaired it and soon after started intermitantly dropping out, put guage on it and found if you kept changeing shuttle from forward to reverse you would sometimes get a big pressure drop at pto, stripped down shuttle and found the aluminium pistons had cracked around the three retaining bolts so i guess that depending how the pistons moved sometimes the crack would let oil pass from the forward to the reverse side of the pack, once this was done pto pressures stayed ok
Fip I bought a 1996 model 4240 4 months ago and have not been able to run my batwing mower ...the pto runs for 15-20 minutes and quit. the clutch pack has been replaced and all looks normal. Tractor has loader and 4WD and shuttle for fwd/reverse. all else works normal. once when mowing i found i was in 4WD so i switched it off ...PTO quit, switched on, pto started. i did this twice. thought the PTO had some sort of lockout switch that was incorrectly wired to the 4WD switch. no such luck. after about a further 10 minutes in 4WD the PTO quit again. Next day same problem.
B.W. Fowler I'm having PTO problems with my 4230 also. Mine is stick engaged and the linkage will not budge. Any suggestions?

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