Graco A22600 Instructions Manual page 25

Disassemble the Pneumatic Motor
1. Use a 10 mm socket wrench to remove the four
screws (218), and remove the pneumatic valve
(217) and gasket (216).
2. Remove the mufflers (18).
3. Remove the four screws (218), and remove the
manifold (215) and two gaskets (214).
4. Use a 10 mm socket wrench to remove the pilot
valves (219), and the top and bottom covers (213
and 201).
5. Remove the 17 mm tie bolts (210). The number of
bolts depends on your configuration.
Configuration
PCI-0600-xxx-xxx-xx-x-x
PCI-0750-xxx-xxx-xx-x-x
6. Remove the top cover (213) and the o-ring (209).
7. Remove the shield (212) from around the
cylinder (211), and remove the cylinder.
8. Slide the piston assembly straight up off the bottom
cover (201).
NOTE: There is no need to take apart the piston assem-
bly. If any part is worn or damaged, the entire assembly
should be replaced.
9. Remove the o-ring (208) from around the piston
(205).
10. Remove the retaining ring (204), u-cup seals (203),
and the o-ring (209) from the bottom cover (201).
3A6831G
Reassemble the Pneumatic Motor
NOTE: For easier reassembly, start with the top
cover (213) turned over on the workbench and assem-
ble the pneumatic motor upside-down.
1. Lubricate and install the o-ring (209) on the top
2. Install the upper bumper (228) on the top cover.
3. Lubricate the inside of the cylinder (211). Lower the
4. Lubricate and install the o-ring (208) around the pis-
5. Slide the piston assembly down onto the
6. Install the shield (212) around the cylinder (211) and
7. Lubricate and install the new u-cup seal in the bot-
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8. Lubricate and install the new u-cup seal (203) in the
9. Lubricate and install the o-ring (209) in the bottom
10. Install the piston bumper (228) on the bottom
cover (213).
cylinder onto the top cover (213).
ton (205).
cylinder (211). Be sure the o-ring (208) stays in
place.
in the groove on the top cover (213).
tom of the bearing (202) in the bottom cover (201).
The u-cup must face up and the flange face down.
See F . 21.
IG
3*
Lips face up
43*
Flange faces down.
. 20
IG
top of the bearing. Lips must face up.
cover (201).
cover (201).
Repair - Pneumatic Motor
U-cup faces up.
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