Air Inlet Configuration - Graco GX-8 Operation, Parts, Service, Repair
For use with non-flammable polyurethane foams, two-component coating systems
(polyureas), and some two-component epoxy systems. for professional use only.
not for use in explosive atmospheres.
3500 psi (24 mpa, 240 bar) maximum working pressure
125 psi (9
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Also See for GX-8:
- Operation, parts, service, repair (40 pages) ,
- Instructions-parts list manual (6 pages)
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Operation Basics
3.
Fit coupling block into gun block and insert coupling
block mounting screw. Use 5/16 in. nut driver to
tighten to gun block.
B-Check
Valve
A-Check
Valve
Coupling Block
Gaskets
Coupling Screw
Mounting Screw
F
. 8: Install Coupling Block
IG
Remove Coupling Block
1. CLOSE safety stop.
2. Disconnect air hose.
3. Close both manual valves.
4. Remove coupling block mounting screw.
5. Separate coupling block from gun.
6. Wipe mating surfaces of gun block and coupling
block to remove residual chemicals.
7. Cover exposed openings with grease.
NOTE: To avoid accidental gun operation, ensure cou-
pling block manual valves are closed before attempting
to service gun, or any time gun is not in use.
12
Air Inlet Configuration
There are two configurations for the air inlet. In the stan-
dard configuration, the air inlet is at base of handle. In
the alternate configuration, the air inlet is at rear of gun.
F
. 9: Air Inlet Configuration
IG
To change to alternate configuration:
1. Use 6 in. adjustable wrench to remove 4 in. pipe
nipple from base of gun.
2. Use 3/16 in. hex key to remove 1/8 in. pipe plug
from rear of gun.
3. Use 3/16 in. hex key to install 1/8 in. pipe plug in
location previously occupied by 4 in. pipe nipple.
4. Use 6 in. adjustable wrench to install pipe nipple in
location previously occupied by 1/8 in. pipe plug.
Pipe Plug
Optional
Pipe Plug
Pipe
Nipple
311338N
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