Servicing
A Housing
B Allen screw
C Membrane
head
D Countersunk
screw
E Retainer plate
F Diaphragm
G Allen screw
H Cover
I Flywheel
K Connecting
rod
M Valve spring
P Valve spring
S Allen screw
T Cover
U Nut
V Seal
W Screw
X Washer
36
CAUTION
Fig.5: Pump parts
1. For pumps N026.1.2.18:
Pull off the hose on a pump head at the suction-side pneu-
matic connection between the pump heads.
Loosen the hose clamp on the pressure-side pneumatic
connection on a pump head and pull off the hose.
Translation of Original Operating Instruction, KNF 121224-121388 04/23
Diaphragm pump N022.18, N026.18
Risk of burns from hot pump parts
The pump head or motor may still be
hot after operation of the pump.
à
Allow the pump to cool after oper-
ation.