Endress+Hauser Liquistation CSF34, Operating Instructions Manual, Page: 181 / 210

Liquistation CSF34 Maintenance
Hauser 181
Opening the peristaltic pump
1
2
3
4
5
6
7
A0014115
 77 Opening the peristaltic pump
1
2
3
4
5
6
7 Retainer
Pump tube
Fastening clip
Pump bracket
Pump head cover
Positioning pin
Knurled head screw
1. Take the sampler out of service by pausing a program that is currently running.
2. Open the fastening clip (item 3) and push up the pump bracket (item 4).
3. Remove the knurled head screw (item 7) and open the pump head cover (item 5) to
the right.
4. Remove the knurled head screw (item 7) and swing down the pump head cover (item
5).
Replacing the pump tube
1
2
8
9
10
A0014116
 78 Replacing the pump tube
1
2
8
9
10 Retainer
Pump tube
Clamp
Marking ring
Roller
1. Remove the clamp (item 8) and remove the pump tube (item 2) from the pump.
2. Remove any silicone deposits on the roller (item 10) and the flexible pump bracket.
3. Make sure the roller and the individual rolls turn smoothly and evenly.
4. Apply some lubricant to the roller and to the inside of the pump bracket.
5. Secure the new pump tube to the pressure sensor with the clamp (item 8).
6. Guide the pump tube around the roller and introduce the marking ring into the
groove (item 9).
7. Close the pump head cover and screw it tight.
8. Close the pump bracket.