Hach SD900 Manuel D'utilisation De Base page 25

Clean the rotor
Clean the rotor, pump tube tracks and pump housing with a mild detergent. Refer to
pump tubing on page 23 and the illustrated steps that follow.
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 (
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 13 Distributor assembly
1 Nozzle
2 Distributor arm
1
/ in.). Refer to Figure
8
3 Distributor motor
4 Shaft
13.
5 Distributor tube
Replace the
English 25