Master II Gun
Service Manual
14/21
2.0 Issue
Ref. NR-00021-ENG
http://www.gamapur.com/
11.
Check the seals of the cartridge and the contact bushing. Replace them if they are worn or
damaged.
12.
Check the metal bushing for wear and measure its complete length. Replace it if the length
is under 7 mm.
13.
Grease all of the components and refit them in the cartridge.
14.
Screw the isocyanate cartridge unit into its housing until it blocks. Make sure it is correctly
tightened to avoid product leaks.
15.
Do the same with the polyol cartridge. (points 5-14).
16.
Carry out the projection procedure indicated in the start-up section.
17.
Start the gun.
PRECAUTION!
Use wooden or plastic utensils or a brass brush for cleaning. Do not
use metal utensils, which can scratch the contact surfaces.