Ubiquiti PowerBeam AC PBE-5AC-620 Quick Start Manual page 8

5. Attach two Hex Head Bolts, two Lock Washers, and two Flat
Washers to the bottom of the Mounting Bracket. Ensure that
there is a gap of 8 mm between each Flat Washer and the
Mounting Bracket.
Note:
installed between the Hex Head Bolt and Flat Washer.
Flat Washer
Lock Washer
Hex Head Bolt
6. Attach the horizontal slot of the Support Arm to the Upper
Pole Bracket using a Hex Head Bolt, Lock Washer, and
Flat Washer.
Note:
on both arms of the Upper Pole Bracket.
Ensure that each Lock Washer is always
Ensure that the degree settings are the same
8 mm
Degree markings
facing outward