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Maintenance
NOTE1. Do not loosen the motor fixing screws during mainte-
nance work.
NOTE2. Contact your nearest distributor for the replacement of
the connecting rod and the motor.
■
Valve replacement
<APN-085>
1. Unscrew all the pump head
fixing screws and take out
the pump head and valve.
2. Replace the old valve with
new one. Always check the
mating points and fit the
valve and the pump head in
place.
3. Supply air into the pump
head unit through the inlet
and check the air is dis-
charged through the outlet.
4. Push down the diaphragm
until it bottoms out and then
secure the pump head unit
onto the bracket with the
screws by 1.39N•m.
Pump head
Valve
Valve seat
