68 Wear part replacement
Wear part replacement
For a long operation wear parts need to be replaced periodically.
It is recommended that the following parts are always stocked for immediate
replacement. Contact us or your nearest dealer for detail.
Precautions
• When dismantling the pump, pay attention to the residual liquid in the
pump.
• Rinse wet ends thoroughly with water.
• Each time the pump head is dismantled, replace the diaphragm, O rings,
valve gaskets and valve sets with new ones.
Wear part list
Parts
# of
parts
Estimat-
ed life
Pump
Valve set
VC•VH•PC•PH
PP
FC
VH/PH-V
2 sets
8000
hours
Diaphragm
1
O ring
(except the B-31,-36 and the FC)
See
page
77-81.
Chec
k v
alv
e Check valve
poppet
(Including O ring)
1
Check valve
spring
1
B
P
v
alv
e
BVC back pressure
valve
(FC type only)
1
4
3
8
14
11
13
12
11
13
12
17
14
11
13
12
11
13
12
17
Summary of Contents for EHN-R
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