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Alignment of Mast to Rotator
Carefully lower the 2 inch OD aluminum tube (temporary mast) to
the top of the mast clamp.
Carefully adjust the rotator shelf brackets as needed to center the
tube with the mast clamp. Do not loosen the clamps too far or the
rotator shelf may drop down. Once the shelf is verified as properly
aligned, tighten all of the rotator shelf bolts securely in place.
Installing the Steel Mast
Remove the temporary 2 inch OD aluminum tube.
Carefully install the 2 inch OD steel mast through the Thrust
Bearing and fully seat the steel mast in the Mast Clamp.
Note: Some installations may want the start/stop point to be at 180 degrees (South).
ENSURE you have a proper coax loop to allow the 360 degree turning of the rotator.
Tighten the three Thrust Bearing to Mast bolts as needed.
Antenna Alignment and Final Mast Clamp Tightening
Loosen the one hex bolt in the Mast Clamp that spreads the clamp apart.
Tighten the Mast Clamp Hex Head Bolts securely in place to hold the Mast in place. The four bolts squeeze
the clamp securely around the steel mast.
Torque for the clamp bolts is 11 foot lbs. tightening from the inside to the outside, and double check the
tension after all four bolts are torqued.
Connect the rotator cable to the rotator cable pigtail and test the rotation and coax loop clearance. Make any
adjustments as needed. Ensure the control unit for the rotator is properly set for the antenna direction. Since
there are no limit switches in the rotator, verify North and South are in sync to the rotator, controller, coax loop
and antenna(s).
NOTE: Since there are no limit switches if adjustments are made in positioning – ensure a team
member is visually watching the rotation to verify the rotator loop is not getting too tight. The
rotation beyond the loop limits will damage the rotator/antenna coax cable loop.
The rotator control cable connectors are rated to IP65/IP67. It is still recommended to add further
weatherproofing. Use Temflex™ tape and Scotch
®
88 tape for weatherproofing this connection.
Use Scotch
®
88 tape for securing the control cable to the tower leg.
