Hach-Lange SD900 Refrigerated Sampler, SD900 AWRS Basic User Manual - Manual (Page 26)

Replace the distributor arm tube
The distributor arm moves over each bottle during multiple bottle sampling. Replace the tube in the
distributor arm when the tube is worn. Make sure that the correct tube is used for the correct
distributor and distributor arm.
1. Remove the tube from the distributor arm and from the ceiling of the sampler cabinet.
2. Insert the new tube into the distributor arm. Make sure that the tube does not extend out of the
nozzle more than 0.3 cm ( 1 /
8
in.). Refer to Figure 14 .
3. Insert the other end of the tube into the fitting on the ceiling of the sampler cabinet.
4. Complete the diagnostic test for the distributor to make sure that the operation is correct.
Figure 14 Distributor assembly
1 Nozzle 3 Distributor motor 5 Distributor tube
2 Distributor arm 4 Shaft
Replace the power supply—refrigerated sampler
W A R N I N G
Fire hazard. Use only the power supply that is specified for this instrument.
To replace the power supply for the refrigerated sampler, refer to Figure 15 .
Figure 15 Power supply replacement
26 English