Hach-Lange SD900 Refrigerated Sampler, SD900 AWRS User Manual - Manual (Page 39)

Pre-requisites:
• Pump tubing—pre-cut or bulk 4.6 m or 15.2 m (15 ft or 50 ft)
1. Disconnect the power to the controller.
2. If the bulk tubing is used, cut the tubing and add alignment dots. Refer to
Figure 16 .
3. Remove the pump tubing as shown in the illustrated steps that follow.
4. Clean the silicone residue from the interior of the pump housing and from the rollers.
5. Install the new pump tubing as shown in the illustrated steps that follow.
Figure 16 Pump tubing preparation
1 To controller fitting 4 To sampler fitting
2 Alignment dots 5 Length for the refrigerated sampler
3 Length inside the pump 6 Length for the AWRS
English 37