h. Inspect the Turnaround Assemblies.
(1)
Clean the roller. You must keep all rollers clean.
(a) Wipe them with a damp, rough cloth.
(b) Use a household detergent to clean accumulated deposits.
(c)
Use a plastic abrasive material such as Scotch-Brite on the master
roller.
(d) Be sure to rotate the roller evenly to prevent any flat spots.
(2) Check the springs. Check the turnaround springs for proper tension.
Rollers should not apply undue pressure on the film. Refer to figure 2-13.
Figure 2-13. Turnaround assembly.
(3) Check the guide shoes. Examine ribs and tips of the guide shoes for
burrs. Use fine number 400 sandpaper to remove any roughness.
Check the rollers. Check the "A" rollers. Refer to figure 2-11.
(4)
(a) Pay particular attention to the surface of the rollers. Be sure that
they are secured to the core and that the surface is smooth and without defects.
(b) Note that the long hub and the wide spacer are on the driver side of
the turnaround.
MD0359
2-19