Main Parts

External View

Tip: Door sensors have colored markers on the housing to indicate their location on trawl doors:
Starboard sensor (green)
Port sensor (red)
Clump sensor (black)
Figure 1. Standard Spread Sensor & Door Sounder (XL bottle)
Figure 2. Mini Spread Sensor (stubby bottle)
Figure 3. Mini Spread Sensor with slim housing (stubby bottle)

  1. Pressure sensor
  2. Temperature sensor
  3. Positive charge
  4. Negative charge
  5. Water switch
  6. Shoulder bolts
CAUTION:
  • Do not put foreign objects into pressure sensor opening or try to open it.
  • Do not remove the shoulder bolts from the outside of the sensor.
It may damage the components.