Before removing or repairing the joystick, turn the game off.
Normal maintenance involves lubricating four parts in the joystick control approximately every three months (this requires removing the control). First, open the control panel. Tilt the control panel towards you. Then unsolder the harness from the two potentiometers on the joystick assembly.
From the inside of the control panel, remove the four flat washers, hex nuts, and carriage bolts that mount the joystick to the control panel.
Then open up the joystick control assembly by removing the four flat washers, hex nuts, and long screws (see Figure 3-4). At this point, most of the parts should disassemble.
For lubrication, use only Nyogel 779 lubricant (Atari part no. 178027-001). Lubricate the following parts inside the control:
• The ball pinned to the shaft and the ends of the pivot pins that protrude from the ball.
• The insides of the two black linkages, located on the potentiometer shafts.
• The insides of the two gimbals, where the bottom of the shaft wears against them.
• The sides of the pivot ball housings at the four holes where the gimbals are attached.
If the bellows need replacing, remove both gimbals and the bellows cap. Slide the bellows off the bottom of the shaft. Slide the new bellows up over shaft.
Reassemble the joystick control, and then reinstall it in the control panel. Reconnect the harness wires as shown in Figure 3-3 Make sure the right colors go to the tabs on the potentiometers. Refer to Chapter 2, Self-Test Menu, for instructions on how to recalibrate the joystick.
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