KNF NF 1.100 EX, Инструкции по эксплуатации и монтажу, Страница: 21 / 32

Diaphragm liquid pump NF 1.100 EX Servicing
KNF Flodos AG BA_NF1.100EX_EN_05_152147
English translation of original Operating and Installation Instructions
21
WARNING
Risk of explosion as a result of flushing the pump
with air
➔
In potentially explosive atmospheres, or when
using the pump with potentially explosive medi-
um, only allow the pump to be flushed with inert
gas by specialist personnel.
8.2.2. Cleaning the pump
WARNING
Risk of explosion as a result of electrostatic charging
of components
➔
Clean the pump with a moist towel only. Do not
use flammable cleaning agents.
➔
If there is compressed air available, blow off components.
➔
Where possible, wipe the components with a dry cloth. Do not
use cleaning solvents as these may corrode plastic parts.
➔
If there is compressed air available, blow off components.
▪
Pump or drive disconnected from the mains and de-
energized.
▪
The pump must be free of any hazardous substances
▪
Hoses must be disconnected from the pump head
▪
We recommend replacing the diaphragm when the head
parts are removed.
Qty Tools for KP, KP.51, KT and TT versions
1 Torx 20 screwdriver
1 Phillips screwdriver No. 2
Tab. 16
Dismantling the pump heads
Undo the four head screws ( 1 ) and remove the entire head
Removing the valves and seals
Remove the valve plate ( 6 ) from the intermediate plate ( 7 ).
Remove the resonating diaphragm ( 4 ), or resonating dia-
phragm.27 ( 16 ), diaphragm.27 (if fitted) ( 15) , and pressure
spring.27 ( 14 ) from the connecting plate ( 5 ).
Remove O-ring ( 3 ).
Carefully grip the diaphragm ( 8 ) and remove by turning anti-
clockwise. Remove the U-washers ( 9 ) and make sure that no
U-washers ( 9 ) fall into the pump housing.
We recommend replacing the diaphragm ( 8 ).
Cleaning the parts
Clean the diaphragm ( 8 ), O-ring ( 3 ), resonating diaphragm ( 4 ),
or resonating diaphragm.27 ( 16 ), diaphragm.27 (if fitted) ( 15 ),
Prior requirements
Tool