Hach-Lange Cleaning Unit - Manual (Page 4)

4
Cleaning Unit
5. Slide the O-ring ( item 3 ) from the cleaning insert ( item 2 ) set onto the sensor cartridge
( item 4 ).
6. Put the cleaning insert into the sensor cartridge. Make sure that the air outlet openings
( item 14 ) are opposite of the temperature sensor ( item 13 ).
7. Put the sensor ( item 5 ) into the sleeve ( item 1 ).
8. Slide the adapter ( item 8 ) over the sensor cable and the air tubing ( item 10 ).
9. Slide the union nut ( item 9 ) over the sensor cable and the air tubing.
10. Install all the parts and hand-tighten the union nut to secure.
11. Mount the cleaning unit on the 45° adapter. Refer to the Instruction Sheet supplied
with the Hand Rail Mounting.
12. Connect the system to the controller and the High Output Air Blast and configure the
system. Refer to Relay configuration on page 5 .
Figure 4 Assembly of the cleaning unit
1 Sleeve 8 Adapter, 1.5 inch NPT external thread
2 Cleaning insert, (with 2 pre-assembled O-rings) 9 Union nut
3 O-ring 10 Air tubing
4 Sensor cartridge 11 Cable tie
5 Sensor 12 Male fitting
6 O-ring 13 Temperature sensor
7 Sleeve insert, (with 2 pre-assembled O-rings) 14 Air outlet openings