Chapter 4 Maintenance
HA-8190V 4-20
5 Replace the O-ring.
a Remove the cover plate.
• While holding the nozzle washing block still with one hand,
gently pull the front tab with the other hand to the front.
b Remove the old O-ring with tweezers AA.
c Wipe off dirt from the groove that holds the O-ring.
• Use cotton swabs moistened with purified water.
d Attach a new O-ring using tweezers AA.
• Make sure that the O-ring is level and not rising anywhere.
e While holding the nozzle washing block still with one hand, push the cover plate all the way back in with the other
hand.
6 Attach the piercing nozzle (or a new piercing nozzle).
If the piercing nozzle removed in step 3 requires replacement, install a new piercing nozzle. Otherwise, install the
piercing nozzle removed in step 3.
a Remove the protective tube from the piercing nozzle.
• Keep the protective tube in the accessory case.
b Insert the piercing nozzle into the nozzle tube by hand.
Tube
guide
Position the nozzle tube to
the right of the tube guide.
b
a
NOTE:
Position the nozzle tube to the right of the tube guide as
seen from the front (a).
To Next Page
Loading...
Need help?
General
