(1) Ensure rollers turn freely. Check that all rollers turn freely. Be sure the
three idler rollers spin freely. Idler rollers are H, L, and N in figure 2-10.
(2) Clean the rollers. Clean all rollers by wiping them daily with a damp
cloth. If deposits accumulate, use warm water and a plastic abrasive material such as
DO NOT immerse.
(3) Check the squeegee assembly.
(a) Examine the rollers for broken teeth. Replace any roller with
(b) Check for squareness on a flat surface.
Check the resilient roller. Check for smoothness. Replace if necessary.
(5) Check the guide shoes. Examine ribs and tips of the guide shoe for
burrs. Refer to figure 2-10.
(a) Use fine number 400 sandpaper to remove any roughness.
(b) Be sure, when reinstalling the guide shoes, that the longer tips are
in the direction of travel.
Remove the stud and gear to adjust the center guide shoe,
(d) Adjust the shoe so that the leading tips are in the full open position
without hitting the upper roller.
(e) Adjust the exit guide shoe by loosening the mounting screws (two
on each side).
Locate the shoe in the center of its adjustment swing.
(6) Check the brackets and nuts. Check the guide shoe brackets and the
support nuts for signs of breakage. Replace parts, if necessary.
Check the gears. Check the gears for signs of wear or burrs. Replace if