Actuator Valve Disassembly; Actuator Valve Reassembly - Graco 965660 Instructions And User Manual

Actuator Valve Disassembly

1. Follow the procedure
on page 19.
2. Remove the air motor cover (69). See Figure 6.
3. Remove the actuator valve plug (11) from the top
cap (5). Inspect the sealing gasket (15) and spring
(16) in place on the plug. If the gasket needs
replacement, thread it off the plug (11).
4. Pull the pin (12) out of the top cap (5). Remove the
two o-rings (23) from the pin.
5. If it is necessary to remove the o-ring (24) from the
actuator valve cavity, you must first remove the top
Cylinder and Piston Disassembly
cap. See
21.
6. Repeat for the bottom cylinder cap (4).
22
Proportioning Pump Removal
on page

Actuator Valve Reassembly

1. If the o-ring (24) was removed, it must be installed
from the inside of the top cap (5). Lubricate the
o-ring. See Figure 6. Reinstall the top cap. See
inder and Piston Reassembly
2. Install the two o-rings (23) on the pin (12). Grease
the pin and insert it in the top cap (5). The long end
must point toward the inside of the motor.
3. Thread the gasket (15) onto the plug (11). Grease
the spring (16) and install it in the plug. Screw the
plug into the top cap (5) and torque to 60 to 80 in-lb
(6.8 to 9.0 N•m).
4. Repeat for the bottom cylinder cap (4).
5. Install the air motor cover (69).
Service
on page 21.
309239 Instructions - Parts List
Cyl-