41
M
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Exploded view
Parts list
No.
Part names
# of parts
Materials
Estimated life
1
Pump head
1
PVC
-
2*
Valve
2
VC
V6
VS
8000hrs or 1 YR
Alumina ceramics
SUS316
SUS316
3*
Valve guide
2
PVC
8000hrs or 1 YR
4*
Valve seat
2
VC
V6
VS
8000hrs or 1 YR
PVC
PVC
SUS304
5*
Valve gasket
2
PTFE
8000hrs or 1 YR
7*
O ring
2
VC
V6
VS
8000hrs or 1 YR
FKM
EPDM
EPDM
20
Hexagon bolt
8
Stainless steel
-
29
Reinforcing plate
1
SS400
-
30*
Diaphragm
1
PTFE+EPDM
4000hrs or 6 months
31
Retainer
1
SUS304
-
70
Inlet pipe unit
1
-
-
71
Outlet pipe unit
1
-
-
74*
O ring
1
VC
V6
VS
8000hrs or 1 YR
FKM
EPDM
EPDM
214*
Oil seal assy
1
-
8000hrs or 1 YR
217*
Oil seal gasket
1
Nonasbestos
Every time the oil seal
assy is dismantled.
218
Hex socket head bolt
4
Steel
-
*The parts with an estimated life are wear parts and need to be replaced periodically.
*
The listed number of parts is required to consist of one single pump head except for parts # 70 and 71.
NOTE
Retighten the pump head mounting bolts evenly to the following torque in diagonal order.
Tightening torque
Part No.
Torque
#20
12 N•m
Removal of the Oil seal assy
Screw in the attached two M4 hex sock head
bolts as below to remove the oil seal assy.
Suction line mounting
Hand-tighten the pump nut (a) and (b), and then joint nut. If the joint nut
is fastened first, a poor flow rate or poor suction head may result.
M4
×
25 hex sock head bolt
Oil seal assy
Pump nut (a)
Pump nut (b)
Joint nut