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Maintenance
Valve replacement
1. Remove the pump head.
2. Remove the 4 hexagon socket head bolts on the
cover with a 4mm wrench to remove valve retain-
ers and valves.
Clean valve insertion areas and sealing surfaces
on the pump head.
3. Place a new valve and fasten a screw. Note the
valve can not be mounted upside down.
4. Place a new gasket onto the pump head and
secure the cover with hexagon socket head bolts.
Tighten hexagon socket head bolts in diagonal
order until they bottom out.
5. Press down the diaphragm until it bottoms out
and then mount the pump head with 4 hexagon
socket head bolts.
Tighten hexagon socket head bolts in diagonal
order until they bottom out.
Hexagon socket
head bolt
Pump head
Valve
Valve restraint
Screw
Case
Valve
Valve
restraint
Screw
Pump head cover
Place seal gas-
ket in a correct
direction.
Screw hole
Hexagon
socket head
bolt
Содержание APN-450
Страница 17: ... 15 Installation 1 Before installation 16 2 Installation Tubing Electrical wiring 19 ...
Страница 24: ... 22 Operation 1 Before operation 23 2 Pump operation 23 ...
Страница 26: ... 24 Maintenance 1 Troubleshooting 25 2 Maintenance Inspection 26 3 Wear part replacement 27 ...
Страница 34: ... 32 ...
Страница 35: ... 33 ...