Star Trac 620-7920 manual Step

Step 5.

Insert neck into place, then align the top holes. Using the 1/4” Hex key, fasten the neck to the frame with (2) 5/16-18 x 1.0” socket head screws, (2) 5/16 washers and (2) lock washers. DO NOT fully tighten yet.

Step 7.

Route the main I/O cable (p/n 715-3781) behind the elevation motor and connect it to I/O inter- face J2 Connector on the Motor Control Board.

Note: Make sure the main I/O cable is routed away from all moving parts, including the flywheel.

Step 6.

Align the front holes and fasten with (2) 5/16-18 x 3.0”, (2) 5/16 washers and (2) lock washers. DO NOT fully tighten yet.

Step 8.

Route the fan power cable (p/n 715-3678) be- hind the elevation motor and connect it to fan power supply board.

Note: Make sure the fan power cable is routed away from all moving parts, including the RPM disk.

8 620-7920 Rev A