Projection Gun novaG-M
Service Manual
18/28
1.5 Issue
Side cartridge unit
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.
1.
Perform the Unit Standstill Method with the procedure indicated in the Machine Service
Manual.
2.
Completely close the manual valves of each product by turning them clockwise.
3.
To eliminate the pressure from the gun, press the trigger and project with the gun until the
projection fan begins to narrow.
4.
Disconnect the air supply from the gun.
5.
Press the safety device and turn it clockwise to leave it in blocked position (see
page 10).
6.
Unscrew the Isocyanate side cartridge by turning it anti-clockwise, remove it from its
housing (see
Figure. 19
). Clean the housing with gun cleaning solvent and make sure no
loose particles remain inside.
7.
Remove the non-return unit and clean it with gun-cleaning solvent.
8.
Remove the filter and clean it with gun cleaning solvent.
9.
Make sure the mesh filter is not obstructed. If you see that the mesh is obstructed over
more than 20% of its surface, replace it.
10.
Make sure the holes of the filter holder cartridge are not blocked by remains of crystallised
product. If you should see any dirt, clean the communicating drill holes with a drill and a
brass brush.
Figure. 19
