Belt, Paper Feed Timing - Printronix P7000 Series Maintenance Manual

Appendix E
Replacement Procedures

Belt, Paper Feed Timing

Removal
1. Prepare the printer for maintenance (page 520).
2. Remove the hex screws and right cover plate. (See page 523, items 1
and 2.)
3. Loosen (do not remove) the two 5/16 inch paper feed motor mount
screws. (See page 523, item 3.)
4. Roll the paper feed timing belt off the paper feed motor pulley and splined
shaft pulley. (See page 523, items 5, 6, and 7.)
Installation
1. Roll the paper feed timing belt onto the splined shaft pulley and the motor
pulley. (See page 523, items 5, 6, and 7.)
2. Using the straight end of a force gauge, apply 15 pounds (66.7 N) of
pressure to the paper feed drive motor. Use the splined shaft to steady
the gauge. (See page 523, item 3.)
NOTE: Belt tension is correct if the belt deflects 1/8 inch (3.175 mm) midway
3. Reduce tension to 12 pounds (53.4 N) and torque the 5/16 inch paper
feed motor mount screws to 18 inch-pounds (2.03 N•m).
4. Install the hex screws and right cover plate. (See page 523, items 1
and 2.)
5. Return the printer to normal operation (page 520).
526
between the pulleys.