Graco J Series Instructions-Parts List Manual page 10

Air Director Valve Cleaning or Service
(Model 223–634 Ram)
1. Follow the Pressure Relief Procedure Warning on
page 8.
2. Pry out the button plug (16). See Fig 5.
3. Screw the stud (18) out of the housing (19), holding
your hand under the director valve to catch the ball
(6) and seal (7).
4. Remove the knob (17), and take the stud (18) and
springs (10 and 12) out of the knob. Check the stud
o–rings (11) for damage.
5. Loosen the jam nut (15), unscrew the needle (20),
and check the o–ring (9).
6. Clean and inspect all parts for wear or damage. Re-
place as needed.
SERVICE
Air Assist Valve Service
(Model 223–634 Ram)
1. Follow the Pressure Relief Procedure Warning on
page 8.
2. Screw the stud (94) out of the housing (93). See Fig
6.
3. Remove the poppet (89) and spring (92).
4. Pull the stem (88) out of the stud (94).
5. Clean and inspect all parts for wear or damage. Re-
place as needed.