KNF LABOPORT SC820G Manual De Instrucciones página 197

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  • ESPAÑOL, página 326
Vacuum system SC820G / SC840G
21 Sliding
washer
22 Sleeve
X O-ring (15,
16, 17)
Translation of Originial Operating Instruction, KNF 339416-339418 02/23
Fig.31: Correct position of O-ring
4. Screw the two hose connections (11) and (12) back into
the head plates.
5. Fully tighten the union screws on the hose connections
(11) and (12).
To ensure the tightness of the hose connections, the
union nuts of the hose connections must be tightened all
the way.
If necessary, use a size 14 open-end wrench to tighten
the union screws.
6. Mount the pump heads as described in Chapter 10.3 Re-
place diaphragm, valve plates/seals and O-rings [} 76]
(section: Fit pump head).
7. Dispose of the replaced O-rings properly.
Change O-ring on separator adapter
1. Unscrew the separator hose connector (20) from the sep-
arator adapter (9/Fig. 3).
2. Change the O-ring (19) of the hose connector (20).
3. Screw the hose connector (20) back into the separator
adapter as far as it will go.
4. Loosen the flask clamp (3/Fig. 3) and remove the collec-
tion flask (4/Fig. 3) from the separator adapter (10/Fig. 3).
5. Change the O-ring (18) of the separator adapter.
6. Dispose of the replaced O-rings properly.
Servicing
21
X
22
DE
EN
FR
ES
IT
89
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Laboport sc840g