IBM 4247 Maintenance Information page 317

Tractor Assembly
Gears (Cover
Removed)
Push Selector
Gear
Push-Pull
Selector in
Idler
Push Position
Gear
(Down)
Figure 71. Rear Push Path. (Viewed From Left Side) - Tractor Connector Not Shown
8. Ensure that the metal forms guide deflector is in the open (down) position. See Figure 57 on page 303.
9. Use a lint-free cloth to clean the jam sensor located on the tractor assembly.
10. Perform the platen pinch roller release service check. See "Platen Pinch Roller Assembly Service Check" on
page 323.
11. Return to the step that sent you here.
Manual Sheet Feed Path Check:
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 Lower feed roller assembly
v Paper bail
Upper Feed
Roller Gear
Chapter 5. Removals and Adjustments
317