Hach TU5 Series, User Instructions, Page: 18 / 138

5.6 Replace the tubing
N O T I C E
Keep water out of the vial compartment or instrument damage will occur. Before the automatic cleaning module is
installed on the instrument, make sure that there are no water leaks. Make sure that all tubing is fully seated.
Make sure that the vial nut is tight.
Replace the tubing when the tubing has a blockage or has damage.
1. Set the flow shut-off valve to off. Install the automatic cleaning module on the service bracket.
Refer to steps 1 to 3 of
Replace the vial on page 14.
2. Replace the tubing.
3. Set the flow shut-off valve to on. Make sure that there are no water leaks. Refer to steps 5B and
6B of
Install the automatic cleaning module on page 7.
4. Install the automatic cleaning module on the turbidimeter. Refer to step 8B of Install the automatic
cleaning module on page 7.
Section 6 Replacement parts and accessories
W A R N I N G
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Replacement parts
Description Item no.
Seal, process vial LZY918
Fiber vial wiper, automatic cleaning module LZQ176
Silicone vial wiper, automatic cleaning module LZQ165
Vial with seal, process LZY834
Vial replacement tool LZY906
Accessories
Description Quantity Item no.
Micro fiber cloth, vial cleaning 1 LZY945
Service bracket 1 LZY873
Tubing, inlet and outlet of TU5x00 sc, ¼ in. OD 4 m LZY911
18 English