Hach-Lange SONATAX sc - Manual (Page 28)

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Maintenance
5. Install the wiper arm again and tighten the guide screw again
by hand.
Note: Only tighten the screw hand-tight until the safety lugs have audibly
engaged 2–3 times.
6. Select OK and the wiper arm automatically moves back to the
initial position.
Figure 12 Wiper unit
1 Wiper profile 3 Wiper arm
2 Guide screw
5.3 Cleaning tasks
Use water and a suitable brush to remove heavy contamination on
the probe or on the strut as necessary.
Clean the ultrasound transducer carefully with water and a lint-free
cloth.