Graco LineLazer V 200MMA, Operation - Repair - Parts

Page: 49 / 98

Maintenance - Fusion MMA PC Gun
3A9099A Operation, Repair, Parts 49
Clean Mix Chamber
Impingement Ports
1. Follow the Pressure Relief Procedure , page 14.
2. Follow Flush Gun , page 47, to remove residual
chemical.
3. Follow Remove the Fluid Cartridge , page 49.
4. Drill impingement ports (IP).
5. Push mix chamber forward until impingement ports
(IP) are visible. See Table 3: Impingement Port
Drill Bit Sizes , page 49, for appropriate size drill to
clean ports. Also see identification chart under Drill
Bit Kits , page 68. Some mix chambers have
counterbore holes (CB) and require two drill sizes to
clean impingement ports completely.
Table 3: Impingement Port Drill Bit Sizes
6. Follow Assemble the Spray Gun , page 15. Return
gun to service.
Remove the Fluid Cartridge
1. Follow the Pressure Relief Procedure , page 14.
2. Verify that fluid valves are closed.
3. Engage the Piston Safety Lock (11). See Piston
Safety Lock , page 11.
4. Turn off the air valve.
5. Remove the Spray Tip Adapter (3).
6. Remove the Front Retaining Ring (18).
Mix Chamber
Part No.
Impingement Port
(IP) Drill Bit Size
in. (mm)
Counterbore (CB)
Drill Bit Size
in. (mm)
PC29FL #69, .029 (0.74) #53, .060 (1.50)
Mix Chamber
PC29FL
NOTICE
To prevent cross-contamination in the gun, do not
interchange A component and B component parts.
Cross-contamination can result in cured material in the
gun. Cured material may damage the sealing surfaces,
block fluid passages, and prevent gun function.
TI2409A
11