IBM 4247 Maintenance Information page 436

Remove the lower feed roller retaining clip (called 'C-clip' in Figure 171) and the lower feed roller gear.
Lower Feed
Roller Gear
and C-clip
Figure 171. Lower Feed Roller Drive Pulley
6. Perform the following:
a. Remove the 2 screws on each end that hold the manual sheet feed tray frame, and remove the frame.
b. Remove the retaining clip (called 'C-clip' in Figure 172 on page 437 from the lower feed roller shaft on the
right side, and remove the lower feed roller assembly.
Access Holes
for Tension
Screws
Chapter 5. Removals and Adjustments
436