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2) Replacing Valves
It is recommended that these valves be replaced at the same time as the diaphragms.
Use tools 1, 3, 4, 8, and 10 listed above.
(1) Remove up to the baseplate in accordance with steps (1)~(3) for replacement of the
diaphragm.
(2) Remove the six hexagon socket head cap screws (M5 x 16L)
⑩
in the head cover.
(3) Remove the head cover and head gasket.
(4) Remove the two hexagon socket head cap screws (M5 x 16L)
⑪
in each valve
retainer (inlet and outlet), fit a hexagon socket head cap screw in the center of the inlet
and outlet valve retainers, pull the valve retainers upwards, and remove. Remove the
valves as well.
(5) After disassembly, clean the various components with a paper towel soaked in ethyl
alcohol.
Note: Take care not to leave any scraps of paper towel when wiping these
components.
⑩
Head gasket
Valve retainer
⑪
Inlet valve retainer
Outlet valve retainer
Valve
Inlet
Outlet
Alignment mark
Alignment mark
