Operation and Maintenance Manual

17
o. Remove the pulley from the motor shaft and retain it for installation
on the shaft of the new motor.
3.5.2 Installation of Azimuth Motor Assembly
For new Azimuth Motor installation, follow the removal procedure in
paragraph 3.6.1 in a logical reverse sequence using the following notes:
Notes:
1) When the lower plate (5) is assembled to the Azimuth unit, be sure
that the extra length of the wire harness between the slip-ring and
the elevation unit is inserted in part (1). Loose wiring inside the
Azimuth unit should be secured to the waveguide by means of tie
wraps.
2) When assembling the positioner, verify that the waveguide and
lower plate (5) O-ring gaskets are in good condition and are
installed in their proper locations. Verify that all screws are securely
fastened.
3) After the installation procedure is completed, the new motor and gear
sprockets must be aligned according to para. 3.5.2; and the tension of
the belt between the new motor and the gear must be adjusted according
to para. 3.5.1.