Huge Pump HP 10, Руководство пользователя

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H
P 10 PUMP USER’S MANUAL
Page29
PILOT VALVE MAINTENANCE
To begin with the servicing of the air valve first shut off the
compressed air, bleed pressure from the pump, and disconnect the
air supply line from the pump.
*First: See pump assembly drawings.
Remove four capscrews by using M8 spanner or socket wrench.
Remove air inlet cover and air inlet port gasket.The pilot valve
assembly may now be taken out for inspection and service.
*Second: Removal of the pilot valve.
Remove the spool of the valve.Wipe it to remove any dirt. Check the
spool and O-ring to see any dirt, cut or abrasion.Replace O-ring and
spool as necessary.Remove the snap ring from the end of the sleeve
and remove the sleeve from the valve body.Wipe it to remove any
dirt. Check the sleeve and O-ring to see any dirt, cut or
abrasion.Replace O-ring and liner, if needed.
*
Third
:
Installing the pilot valve
Generously lubricate outside diameter of the sleeve and o-rings.
Then carefully insert sleeve into valve body.During the installation of
the sleeve, take
CAUTION not to damage O-rings.Install the snap ring
to sleeve. Lubricate the other surface of the piston and O-ring.Then
carefully install the spool into the sleeve.During the installation of the
piston, take
CAUTION not to damage O-rings.
*Fourth: Re-install the valve assembly into intermediate portion.
During installing the pilot valve assembly onto the intermediate
portion, be sure pilot valve ends located to the center of the piston
pins.Re-install the gasket, air inlet capand capscrews. Connect the air
supplyto the pump. The pump is now ready for operation.