FOR INSTRUCTIONS ON THE S4 BEAM SENSOR PAIR AND BRACKETS SEE INSTRUCTIONS SUPPLIED WITH THE PRODUCTS.
Parallel bracket assembly
Steps to .
Fixed Plate
Spring
washer
Junction
box
Adjustable
Plate
Fixed
Plate
Ensure nut is securely
fitted to the plate
Ensure plate is flush
against the washer
These procedures assume that each beam sensor heads is mounted on an angle brackets. The procedures for other assemblies of the beam sensor pair are similar.
"
Before aligning the sensor heads check to ensure the bracket and base fixing screws are securely fitted. After alignment, ensure the pivot pins and adjusters are secure.