ADS Environmental Services Model 3600 530002 A2 - Manual (Page 42)

Ring, Sensor, and Special Installations 4-9
4. Place a washer then the downstream, left side spreader bar onto the spreader
mechanism screw on the left side of the ring by passing the screw through the
hole (as illustrated in the following figure).
Orienting and Attaching the Spreader Mechanism
5. Place the upstream, left side spreader bar onto the same screw.
6. Lightly turn the hex nut onto the screw, ensuring that it passes through the
holes in the end of the spreader bar.
Attaching the Spreader Bars
7. Turn the ring until the spreader mechanism is in a 12:00 position.