Huge Pump HP 10, Руководство пользователя

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H
P 10 PUMP USER’S MANUAL
Page27
AIR VALVE MAINTENANCE
To begin with the servicing of the air valve first shut off
thecompressed air, bleed pressure from thepump, and disconnect the
air supply line from the pump.
*
First: inspect the exploded view of the air valve.
Remove four hex capscrews by using wrench or socket.Remove the
air valve assembly from the pump.Remove the gasket and check to
see any cracking or damage.Replace the gasket if it is necessary,
* Second:Disassembly of the air valve.
Remove the snap rings of two plugs beneath the air valve with pliers
in order to have access to the internal parts of the air valve.Then
remove two caps.Check O-rings to see any abrasion or cuts.Replace
O-rings as neeeded.Take the the spool out of the sleeve. Be sure not
to scratch or damage the surface of the spool
’s mating surface.Wipe
the spool with soft piece of cloth and check to see any scratch or
damage.Check inner surface of the sleeve to see any dirt, scratches
or other contaminants.Remove the sleeve and replace with a new
sleeve and spool assembly, as necessary.
* Third: reassembly of the air valve .
To do this, install one bumper together with its O-ring on the one side
of the air valve assembly. Check O-rings of the existing or new or
sleeve and spool set replaced as necessary.Carefully take the spool
out from the sleeve.Install six O-rings into the six grooveson the
sleeve.
Then install the liner onto the main housing of the air valve.Be sure to
apply a light coating of grease to the O-rings before installing
thesleeve into the valve body; alignthe slots in the sleeve with the
slots in thevalve body. Insert the spool into the sleeve.Be careful not
to scratch or damage the spool during installation.Install other
bumper together with its O-ring. Install the snap ring. The repair of the
valve is completed.During installing the complete with and gasket
onto the pump, be sure to have the holes of the valve in line with the
holes on the pump.Connect the compressed air line onto the
pump.The pump is now ready to operation.