Xerox 7142, Service Manual

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4 Parts Replacement RJ-901C/RJ-900C Maintenance Manual
4-36
4.5.5 Replacing CR Driven Pulley
NOTE
Before replacing CR driven pulley assembly, remove the following covers.
• R side cover:
"4.2.1 Removing R Side Cover" p.4-6
• L side cover: "4.2.3 Removing L Side Cover" p.4-9
• Top cover: "4.2.6 Removing Top Cover" p.4-13
1. Release the CR locker by pushing it with your finger, then move the carriage from the capping position
to the left.
2. Loosen the CR tension mounting shaft on the R side frame, then release the CR belt tension.
3. Take the CR belt off the CR motor assembly pulley on the L frame side.
4. Remove the CR driven pulley.
5. Remove the CR driven pulley shaft from the CR driven pulley.
6. To reassemble the unit, reverse the removal procedure.
NOTE
• Installation direction of the driven pulley shaft is specified.Thin shaft side faces down.
Also refer to "10.5 Exploded View" p.10-10 .
• After installing the CR driven pulley, move the carriage with your hand from side to side, and
check if the CR belt is equally balanced on the pulley center section of the CR motor assembly.
7. Perform adjustments by following the instructions in "7.2 Adjustment Item" p.7-3 .
No. Part name
1 Driven pulley shaft
2 CR belt
3 CR driven pulley
4 Tension spring
5 CR tension mounting
shaft
3
2
4
5
1
back-side 㧕