Sharp SX 1075 Service Maintenance Manual page 91

PLATEN ROLLER (con't)
6. Slide the platen roller (shown in Figure 3-179)
out of the machine to the right, freeing it from
the left bearing plate. While pulling the roller,
place one hand on the roller pulley, as this
pulley will be free to fall once the platen roller
shaft is removed. Between the pulley and the
middle frame plate is a nylon washer.
careful not to misplace this washer, as it is
needed for proper belt alignment.
Platen Roller
Figure 3-179. Removing the Platen Roller
7. Install the new platen roller.
long end of the shaft into the left bearing plate.
Once the shaft is about halfway in, slide the
two platen roller pulleys in tandem over until
the roller pulley is fully engaged on the roller
shaft. Also, place the nylon washer removed in
step 6 onto the shaft after the pulley (Figure 3-
180).
Roller Pulley
Nylon Washer
Figure 3-180. Reinstalling the Platen Roller
SX™
Service and Maintenance Manual
FILM FEED ASSEMBLY
Roller Pulley
First, slide the
Middle Frame Plate
SECTION 3 – COMPONENT REPAIR
8. Continue sliding the platen roller into the
machine until the shaft is tight to the rear
bearing on the left bearing plate. The end of
the shaft will need to be aligned with a second
bearing in the middle frame plate.
Be
9. Reinstall the right bearing plate. Align the film
feed roller and the platen roller with their
respective bearings, and slide the plate over
until both shafts are completely inserted.
Replace the five screws removed in step 5.
10. Slide the platen roller pulleys in tandem tight to
the middle frame plate.
tighten the four set screws on the pulleys.
11. Mount the front finger plate to the machine.
Before tightening the screws, perform a quick
visual inspection to ensure the fingers are not
rubbing on the film feed roller.
12. Slide the film feed belt take-up shaft to the belt
to put tension on the belt.
deflect approximately 1/16" at the center of belt
span for proper tension.
13. Reinstall the guards removed in step 1, and
close the cradle cover.
3-71
Once in position,
This belt should
960714-02B © 2007 I2407