IBM 3 User Manual page 246

236
4247 Model 003 User's Guide
2. Open the top cover and tilt it all the way back.
Attention: Do not remove the top cover or automatic sheet feeder cover
unless it is necessary for the installation of a printer accessory. If a cover is
removed, do not touch inside the printer or insert any object into the gears.
Store the cover in a safe place until it is needed for reinstallation.
3. Lift the forms guide to its full open (vertical) position.
4. Determine which tractor installation steps to follow:
v If you are installing a tractor not currently installed in a printer, go to step
4g on page 238.
v If you are installing a tractor currently installed in a Front Push position, go
to step 4d on page 237.
v If you are installing a tractor currently installed in a Rear Push position,
continue here.