12. Lift up the latch of inner casing to unlock it. 
a. Rotate the casing 60° counterclockwise to release it from the flange.
b. Lift inner casing away from the sensor head.
13. Ensure the DTR is switched o. Connect the sensor cable to the DTR. 
a. Push the interconnecting cable through the cable gland and into the sensor.
b. Connect the interconnecting cable to the sensor.
c. Tighten the cable gland onto the sensor.
d. Fit the nameplate onto the sensor and screw it on. Turn on DTR power to power up
the Safe‑Drive system. Open wash valve.
Chapter 11 – Safe-Drive
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