IBM 4247-003 Maintenance Manual - Page 312

E90AFF2 1. Locate and remove from the forms path torn pieces of paper or other foreign material that can cause forms jams. 2. Ensure the rear tractor paper door is open or removed. 3. Ensure that the paper bail is removed. See Table 47 on page 303. Rear Paper Door Tractor Assembly Upper Feed Roller Platen Figure 66. Rear Pull Path Overview. (Viewed From Left Side) 4. Ensure that the rear tractor assembly is in the pull mode. To put the tractor assembly in pull mode, pull the two levers on the back and pivot the part that mounts to the printer until it detents (approximately 45 degrees). 5. Ensure the rear tractor push-pull selector is set correctly. To set the rear tractor for the pull forms path, pull the push-pull selector toward the front of the printer until the gear shafts are completely at the bottom of the slots in the selector. See Figure 67 on page 313 and Figure 60 on page 306. 6. Inspect the following parts for wear, damage, or binds. Use knob (PN 08H7271), if available, to hand cycle the paper feed mechanism to observe the parts. The knob installs on the left end of the platen shaft. Install new parts, as needed. v Upper feed roller gear v Idler gear Chapter 5. Removals and Adjustments 312