Procedure 23 - Upper Tractor Assembly - Tally T6090 Maintenace Manual

Procedure 23 – Upper Tractor Assembly
Removing
STEP 1. Remove the Right End Cover (see Procedure 3).
STEP 2. Remove the Left End Cover (see Procedure 8).
STEP 3. Remove the snap rings from both ends of the square shaft using the ssnap ring removal tool in
STEP 4. Slide the square drive shaft to the left through upper tractor pulley. Do not remove the pulley
Drive Belt
Pulley
Drive Shaft
When removing the upper
tractors, you must unplug the
paper motion sensor cable (J603)
from the Engine Controller CBA, two
cable supports, and a ferrite bead encir-
cling the cables. (The Paper Motion Sensor
is attached to the upper left tractor).
Before beginning this procedure, turn the printer off and disconnect the power cable.
tool kit (#081147). Leave the snap rings sitting loosely on the shaft.
or drive belt from the shaft.
If the pulley or drive belt are removed from the printer, you will need to rephase the
upper and lower tractor sets.
Snap Ring
Figure 4–36. Removing Upper Tractor Assembly
Chapter 4: Removal and Reinstallation Procedures
Support
Shaft
Paper Tension Lever
Tractor Drive
Shaft Pulley
Snap Ring
Support Shaft Nuts, 2x
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