6–37
Replacement Procedures and Parts
Tractor Assemblies
1. Unplug the printer power cord from the AC receptacle.
2. Remove the paper supply from the print station and tractors.
3. Loosen the 3/32 inch set screw in the left bushing and remove the
bushing from the splined shaft. (See Figure 6–9, page 6–44, item #19.)
4. Loosen the two 5/64 inch set screws in the adjustment knob and remove
the knob from the tractor support shaft. (See Figure 6–9, page 6–44, item
#17.)
5. Hold the tractor support shaft to prevent it from turning and remove the
5/16 inch screw from the left end of the shaft.
6. Remove the paper feed belt cover and belt (page 6–27).
7. Slide both the splined shaft and the tractor support shaft to the right.
8. Unlock the left tractor lock, and remove the tractor assembly from the
two shafts.
9. To remove the right tractor assembly, first remove the snap ring from the
tractor support shaft. Then unlock left tractor and remove the assembly
from the two shafts.
10. Reverse the removal steps to install the new tractor assemblies.
IMPORTANT
Insure that the paper pins on both the right and left tractors are aligned
vertically when installing tractors.
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