Perform the following procedure to clean the leaf switch contacts and tighten the securing hardware.
1. Follow the procedure described in the preceding steps 1-8 for removing the control panel.
2. Use electrical contact cleaner to clean the contacts. Do not burnish them. When the push button is pressed, the wiping action of the cross-bar contacts provides a self-cleaning feature.
3. Using a 15/16-inch open-end wrench, tighten the stamped nut securing the push button leaf switches to the control panel.
A WARNING A
To avoid possible electrical shock, turn off the game before performing any maintenance procedures.
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