KNF LABOPORT N820.3FT.29.18G, Manual

Page: 94 / 333

Chemically-resistant Laboratory pump N820.18 EX
Servicing
Translation of Original Operating Instruction, English, KNF
317428-317425 09/20
39
Material and tool
Quan-
tity Material
1 TORX® screwdriver T20
1 TORX® T25 screwdriver (only for N840.3FT.29.18G)
1 Spare part set (see Chapter Spare parts)
1 Felt-tip pen
Tab.20:
Information on
the procedure
à
Always replace diaphragms, valve plates/seals, and O-
rings together to maintain the performance of the pump.
à
Replace the diaphragms and valve plates/seals of the in-
dividual pump heads one after the other.
WARNING
Health hazard due to dangerous sub-
stances in the pump
Depending on the medium being trans-
ferred, caustic burns or poisoning is
possible.
à
Wear protective equipment if nec-
essary, e.g., protective gloves,
goggles.
à
Clean the pump with suitable mea-
sures.
EN
-
US
DE
EN
FR
ES
IT