Projection Gun novaG-M
Service Manual
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1.5 Issue
Trigger and valve
WARNING:
Before carrying out maintenance work on the gun, make sure that the unit
has been completely stopped, that all of the push buttons and the main switch are turned
off and that the unit is disconnected from the main power supply. The gun is a
component which works under pressure. No connection must be opened or
maintenance work be done on component subject to pressure until the pressure has
been completely eliminated.
Figure. 21
1.
Remove the coupling block.
2.
Use a cloth dampened with solvent to clean the contact surfaces and the seals of the
coupling block.
3.
Disconnect the air hose supply.
4.
Unscrew the trigger stop bolt (see
Figure. 21
).
This bolt limits the trigger and also works as a stopper of the air circuit, it is important to
remember it when reassembling.
5.
Remove the retention nut, the screw and the trigger (see
Figure. 21
).
6.
Unscrew the trigger valve nut (see
Figure. 21
).
7.
Remove the valve. The valve has a spring inside it, take care not to lose it (see
Figure.
21
).
