Re: Windmill assistance needed
- Hello Joel,
Thank you for the input. I did the bump it along and found that one
arm is either bent or something else is wrong. I also discovered that
when I take the press off impression the ink fountain continues to ink
up the rollers.
I spent most of today cleaning up what I thought was going to be my
secondary press. It spent quite a bit of it's last few years in a high
school shop. I guess they had more wood working than printing as there
is a ton of sawdust caked everywhere!
Once I got it cleaned up I set the guides and in a few minutes had
everything in register and feeding along nicely.
Our #1 press is showing some issues so I think that we will demote it
for awhile until we can get inside of it and see where the trouble is
Thank you again!
--- In PPLetterpress@yahoogroups.com, "Joel at D.L."
>stopping the press mid-cycle and just looking for obstructions or
> A lot of feeding issues with the windmill can be diagnosed by
things out of alignment.
>they work properly- ie. that the front (gripper) guide pops up in sync
> The first thing I'd do is operate the guides manually to see that
with the side guides. Pull the little knob out of the hole, down on
the bottom left side of the platen, and move the guides up and down
against the platen. If that looks like it is working right, then I'd
move the press until the platen is about three-quarters closed. Move
it to the point where the grippers have just opened to release the
sheet against the guides. Then drop a sheet of what you are feeding
in there, manually move the guides up into position, and see if the
sheet has room to float a bit. The sheet is pushed by the side guides
into the gripper guide, so it needs some wiggle room. Look to see if
it is getting pinched between the platen and the gripper, specifically.
>look carefully at what the sheet is doing you can figure out what is
> Lots of times if you just inch the press along through the cycle and
wrong. You often see every-other-sheet issues where one arm is doing
something slightly different than the other. One arm may be sweeping
too close or too far away from the platen and causing that variation
in registration. Eyeball it, or measure it by sliding leads between
arm and platen, and if one is markedly different from the other,
adjust by leaning on and bending the arm in the direction it needs to
go. I think it is supposed to be 2 points off the tympan if I
remember right. Maybe it says in the operators manual.
> Good luck,
> Joel Benson
> Dependable Letterpress
> San Francisco