IBM 4975 02L Maintenance Information page 44

3155 Forms Tractor Side-Frame
Left Side-Frame
Removal
1. Remove the forms tractor from the printer (3151).
2. Remove the forms guide rack (3153).
3. Remove the screw. from the support shaft.
4. Remove the screws
0
that hold the resistor. to
the left side-frame. Also remo'''e the two ground'
straps
0
that are in the left side-frame.
5.
Loosen the two setscrews on the collar
remove the collar.
A·
v'
6. Remove the screw
CD
from the tractor roller shaft.
7. Remove the left side-frame
0
from the support
and main shafts.,
8. Remove the main shaft bearing
e
from the left
side-frame.
3-22 SY34-0613
Reinstallation
1. Reinstall the resistor. and the two ground straps
G· '
2. Reinstall the main shaft bearing
e.
3. Reinstall the left side-frame
0
on the support and
main shafts.
4. Reinstall the screw
CD
on the tractor roller shaft.
5. Reinstall the collar
G
on the main shaft with the
two set screws.
6. Reinstall the screw. on the support shaft.
7. Reinstall the forms guide rack (3153).
8. Reinstall the forms tractor on the printer (3151).
9. Set a CE meter to the Rxl scale; check for
approximately 0 ohms between the forms guide
rack (3002) and the printer base. If the meter
does not indicate approximately 0 ohms, perform
step 1 of this procedure.