IBM 4247 Maintenance Information page 328

Motor
Drive Gear
(In Drive
Position
For Rear
Installation)
Idler
Gear
Printer
Selector
Gear
Figure 81. Tractor In Drive Position, Rear. Tractor shown installed in rear position, with drive gear engaged (right
end cover removed, for clarity).
Figure 82 on page 329 shows the drive gear in standby. The tractor assembly is put in standby when paper is
being fed from a front tractor, manual sheet feed, or the automatic sheet feeder.
Chapter 5. Removals and Adjustments
328