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5.14 Replacing the Elevation Belt
1. Loosen (do not remove) the four #8-32 screws
securing the motor to the antenna frame until the
motor is free to slide upward. Raise the motor to
the top of the slots and retighten the screws to
hold it in place.
2. Roll the belt over the motor hub, then over the
antenna pulley. Discard the old belt.
3. Carefully work the new belt around the antenna
pulley, between the rollers, and around the motor
hub. Ensure that the teeth are on the inside of the
belt. Once the belt is in place, work it back and
forth to ensure that the belt is aligned and the
teeth are engaged with the pulley.
4. Loosen the #8-32 screws and slide the motor
downward until the belt is set at the proper
tension. Adjust the belt tension for a maximum of
1
⁄8" (3 mm) deflection with moderate finger
pressure between the motor hub and the antenna
pulley. Some readjustment may be necessary if the belt
tension results in excessive vibration.
5. Tighten the screws.
54-0198
112
TracVision G8 Owner’s Manual - Guide to Technical Information
Figure 5-30
Elevation Belt
Elevation Belt
Antenna Pulley
Reflector
Rollers
Motor Hub
#8-32
Screws and
Washers
(x 4)