71
Ma
in
te
n
an
c
e
Wear part replacement
Place a new valve set into the pump head.
Screw the air vent body B into the pump head
through the lock nut.
* Be careful not to misarrange the valve set or misplace
upside down. Otherwise, leakage or
fl
ow rate reduc-
tion may result.
* Do not forget to
fi
t O rings and gaskets.
* Keep the valve set free from dust or foreign matters.
Remount the air vent body A and connect tubes.
EHN- 31•36
Remove the
fi
tting nut to remove the dis-
charge tube.
Remove the
fi
tting by an adjustable wrench or a spanner.
Pull out the valve set by a pair of tweezers.
Air vent body B
Valve set
Lock nut
*VC•VH•PC•PH
Fitting
Discharge tube
Fitting nut
1
2
3
5
6
Summary of Contents for EHN-R
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