(quoted from post at 01:10:24 09/15/13) Thanks for all reply's,
The plunger rod broke not a good day. Page 33 of I&T Shop and Service manual part #7 in FO 72. Can this be removed with out taking the lift arms and shaft out? Posted a pic. Have it off and draining.
Thanks, Bruce
second yes(quoted from post at 23:04:49 09/14/13) Yes
ounds like adjustments may be off a bit, as the pin on side of linkage should be pushed back by piston skirt enough to kick control valve out of lift & stop lift & unload pump and that does not sound as though that is happening. Just don't do it or you load pump & heat fluid and probably work the overpressure safety valve.(quoted from post at 17:09:10 10/05/13) Afternoon all thank you for all the help so far and looking for more help.
Just back together and did the adjustment that the NAA HYD pdf as to the 3/16" and 1/4". Works good but if I go above the position with the TOUCH CONTROL in the pic it drags the RPM of the motor down a little and don't go up anymore. Not a big drop but maybe 10 25 RPM. The top of the arms are 34" Is this ok?
Again thanks for any help.
Bruce
will try to do look/think this evening, but right now I don't recall any measurements referenced to 'pin'.(quoted from post at 17:52:59 10/08/13) Adjusted it to 1/4 and now down to .330 from back of cylinder to pin. So if no one can find any problems with the way it's put together I'll try it again.
Thanks for any reply's
Bruce
"The pin contact is only about .100. Should this be more? Is something bent or should I push the pin out more? "(quoted from post at 15:31:36 10/09/13) Afternoon and thanks again for the reply JMOR,
Looked at pin to piston contact. With the lifting arms at 8 7/8" to 5/8" all thread from the base of top cover, piston contacts pin at .390 out.
The pin contact is only about .100. Should this be more? Is something bent or should I push the pin out more?
Just want to get right before I put it back on.
Thanks for any reply.
Bruce
eed to figure out where it is coming from.(quoted from post at 19:16:51 10/09/13) Just to keep you updated.
Put it back together and with no load on seems fine and not blowing any fluid looking in the fill plug. Can see it hitting the pin.
But with the load on is doing about the same thing as before dropping rpm. Looking in the fill plug and when I go any higher with the lever it's starts blowing fluid out but not sure from where? Not from around the piston.
Again thanks for any help.
Bruce
heck your e-mail(quoted from post at 15:20:41 10/10/13) Need to figure out where it is coming from.
Afternoon JMOR and is coming from SYSTEM RELIEF VALVE.
Only when I go above were the lever is in the pick and the arms are all ready at full travel does it spit fluid out the relief valve.
So I'm thinking that I need to change the adjustment out further more like the .432 and this will change were the lever position will be.
Also is there any difference on the pistons, as to the old naa to the new as to the depth of the dog bone in the back of the piston? I'm thinking there is so going to take the cover off and will check back on your thoughts.
JMOR would like to call me or I you
Again thanks for any input.
Bruce
(quoted from post at 17:29:43 10/10/13) Just uploading pics as to what I'm thinking is wrong.
As to the 1st pic is were the lever is and have 1/4" and not opening the relief valve.
But If I move lever up 1/4" goes away and be leave reason that it's opening that system relief valve.
I have no argument with what you say, however, in actual operation, the piston would be extended & should push the pin/linkage rearward & re-establish the 1/4 inch or greater.
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