Servicing; Servicing Schedule; Cleaning Pump - KNF Laboport N86 KN.18 Mode D'emploi

Mini Laboratory pumps N 86.18, N 811.18
Conditions
Spare part/tool
Information on procedure
Translation of original Operating Instructions, English, KNF 121435-121438 04/18
8.

Servicing

8.1. Servicing Schedule

Component
Pump
Filter (Accessory)
Diaphragm and valve
plates/sealings (valve
plates)
Tab. 9
8.2. Cleaning
When cleaning, make sure that no liquids enter the inside of
the housing.
8.2.1. Flushing Pump
 Before switching off the pump, flush it with air (if neccesary for
safety reasons: with an inert gas) for about five minutes under
atmospheric conditions (ambient pressure).

8.2.2. Cleaning Pump

 As far as possible, clean the parts with a dry cloth.
 Only use solvents for cleaning if the head materials cannot be
attacked (check the resistance of the material!).
 If compressed air is available, blow out the components.
8.3. Changing Diaphragm and Valves
8.3.1. N 86 K_.18

Pump is switched off and mains plug is removed from the
socket

Pump is clean and free of hazardous materials

Tubes removed from pump's pneumatic inlet and outlet
Spare part/tool
Service Set (according to chapter 10)
Philips-head screwdriver No. 1
Small screwdriver, blade width 0.5 mm
Pencil
Tab. 10
 Always replace diaphragm and valve plates together to main-
tain the pump performance.
Servicing interval
Regular inspection for external damage
or leaks
Replace if it is dirty
Replace at the latest, when pump
output decreases
Servicing
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