b. Perform Weekly Preventive Maintenance Checks and Services. In addition
to the steps in the daily procedure and after it has been one week since the previous
weekly PMCS, the operator performs the weekly PMCS. Train the operator to perform
the following steps weekly. The operator also uses these procedures whenever he changes
(1) Remove the racks, rinse them with running water, and wipe them with a
clean cloth. Using a soft brush, clean off all chemical deposits.
Developer can be seriously contaminated with relatively small amounts
of fixer. When removing the fixer rack, use the splash guard between
the developer and fixer tanks. Also, use the rack drip tray when
removing or replacing racks.
Remove any foreign matter from the solutions.
(3) Check the tension of the chain to make sure that it turns freely and that
the rollers do not hesitate. Refer to figure 2-3.
Figure 2-3. Drive shaft assembly and motor.