Vaisala K-PATENTS PR-23 Series, Instruction Manual, Page: 195 / 246

11 Safe-Drive™ 185
10 1. Turn the wheel 90° clockwise.
2. Open the locking latch on Outer casing.
3. Rotate Outer casing handle 60° counterclockwise.
11 1. Turn the hand-wheel counterclockwise to drop the
thread.
2. Lift off Outer casing.
12 1. Lift up the latch of Inner casing to unlock it.
2. Rotate the casing 60° counterclockwise to release it
from the flange.
3. Lift Inner casing away from the sensor head.
13 Ensure the DTR is switched off. Connect the sensor
cable to the DTR.
1. Push the interconnecting cable through the cable
gland and into the sensor.
2. Connect the interconnecting cable to the sensor.
3. Tighten the cable gland onto the sensor
4. Fit the nameplate onto the sensor and screw it on.
Turn on DTR power to power up the Safe-Drive™
system. Open wash valve.