53
Chapter 4 Basic operations
2 Turn the lock ring on the air connector for the CO
2
cartridge 90° in
the UNLOCK direction and pinch the tip of the air connector for the
CO
2
cartridge and remove it.
CAUTION
• To not point the mouth of the air connector for the CO
2
cartridge up while attaching it. Doing
so causes dust to collect in the mouth of the air connector of the CO
2
cartridge.
• Be careful to not injure yourself on the corner of the sheet metal when fixing the air connector
for the CO
2
cartridge to the pressure regulator.
• Close the cartridge dial all the way in the CLOSE direction when not using or storing the
instrument.
• Close the cartridge dial all the way in the CLOSE direction before removing the air connector
for the CO
2
cartridge. If it is open, it makes a large bursting noise when the air connector is
removed.