Jump to content

Unofficial Home of Old Simplicity & Allis-Chalmers Garden Tractors

Sign in to follow this  
richp

Power beyond port

Recommended Posts

richp
On my 7119 and 4040, the hydro lift valve doesn't have a power beyond port but does have a spot for it along with casting marks labeling it as PBY. I wonder if this port can be drilled and tapped for use. What do you guys think?

Share this post


Link to post
Share on other sites
D-17_Dave
Often a PBY section of a valve has a port but it also has an insert that helps direct the flow under pressure into this sectionof the valve body. IMO you would be dissapointed in the results of going into the valve yourself.

Share this post


Link to post
Share on other sites
D-17_Dave
Yes. This is a common modification on these tractors. But you'll need more hardware to complete the swap and be satisfied. You'll need both lift levers and the corosponding linkages. You'll also need the metal line goint to the front that plumb into the extra ports of the 2 spool valve. You'll need all this to make the 4040 like the later model tractors.

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  

  • Who's Online (See full list)

    • Edwards
  • Today's Birthdays

    1. Briggs
      Briggs
      (53 years old)
  • Recent Status Updates

    • Paul M.Murphy

      Paul M.Murphy

      Hello glad I got on this site. I hope to upload a couple of photos of my Simplicity Broadmoor 
      Model 707 Tractor. I have replaced all the belts on it and installed a new ignition switch.
      Have a mower deck which was in poor shape , repaced a couple of bushings and welded the
      deck where there was some holes. The tractor and mower deck came from a friend and the 
      mower deck metal was getting pretty thin. Some new metal was put in it and we also undercoated the underside of the deck. This was done by my friend Greg Toulman.
      I have not put the mower deck on the tractor yet, waiting for Greg to come home and give me a hand. Can you please tell me if there is a manual for the mower deck and where I could get one.
      I would also like to get some moon wheel discs as well.
      I will try and down load some photos of the tractor when my wife shows me how to. 
      I really love driving this tractor and also how well it is made compare today's tractors, especially the flexible rear end and the rollers.
      Tell the next time 
      Paul
       
      · 8 replies
    • jbrooks

      jbrooks  »  Talntedmrgreen

      Josh
       
      folowing  this from a link at the downloads.  I just rescued an AC 920 with the lambodini diesel. I can' t download  yet .  Where did you find the PDF copy you posted. . I would like to figure out how to adjust the injection pump. 
      I assume it's a bosche, correct
      · 0 replies
  • Adverts

×