ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 90)

Sensor Installation and Connection 3-31
Leveling the Surface Combo Sensor or Ultrasonic Depth Sensor
If necessary, adjust the level for either sensor in the following
way:
 Remove the sensor from the mounting plate.
 Loosen the ring slightly to allow the plate to move on the
ring.
 Tap the sensor mounting plate to the right or left with a
rubber mallet until it is level.
Warning: Tapping the mounting plate with the sensor
attached could damage the sensor. Always remove the
sensor before tapping the plate with a mallet.
 Reattach the sensor to the mounting plate, and recheck the
level.