IBM 4247-V03, Maintenance Information

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Screw A
Screw B
Installation notes
1. Ensure the upper feed roller shaft drive belt is installed on the
feed roller shaft.
2. Reinstall the bearing retainer; position it in a way that
eliminates any radial looseness of the bearing.
To do this, push the retainer toward the front bottom corner of
the printer while you tighten the screws.
3. Platen replacement requires an appropriate procedure to
eliminate axial clearance. To do this, operate the two cams as
follows:
a. Shift the inner cam towards the platen as much as
possible and tighten the screw.
b. Rotate the other cam to eliminate the axial clearance of
the platen asm. and tighten the screw.
4. Perform the following:
a. Paper feed belt
b. Standard AFTA service check and adjustment
c. Ensure that there is no end play in the platen and that the
platen rotates freely without binding.
Chapter 5. Removals, service checks and adjustments
229