IBM 4247 Maintenance Information page 311

1. Locate and remove from the forms path torn pieces of paper or other foreign material that can cause forms
jams.
2. 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 Front tractor drive gear
v Tractors and feed pins
v Paper bail
3. Ensure that the metal forms guide deflector is in the open (down) position. See "MAP 0190: Form Feed
Problems" on page 101.
4. Ensure that the paper bail is in the lower, detented position (touching the upper feed roller assembly). See
Figure 56 on page 302.
5. Use a lint-free cloth to clean the jam sensor, which is located on the tractor assembly.
Figure 65. Front Push Path. (Viewed From Left Side)
6. Return to the step that sent you here.
Rear Pull Path Check:
Chapter 5. Removals and Adjustments
311