Graco 333007A - ExactaBlend AGP Air Motor Manual Do Utilizador
Repair
12
333007A
Disassemble the Air Motor
1.
Use a 10 mm socket wrench to remove four screws
(18). Remove the air valve (17) and gasket (16*
(18). Remove the air valve (17) and gasket (16*
◆).
2.
Remove the muffler.
3.
Remove four screws (18) and remove the manifold
(15*) and two gaskets (14*).
(15*) and two gaskets (14*).
4.
Use a 10 mm socket wrench to remove the pilot
valves (19) from the top and bottom cover.
valves (19) from the top and bottom cover.
5.
Remove the 17 mm tie bolts.
6.
Remove the top cover. Remove the o-ring (9*).
7.
Remove the cylinder (11).
8.
Depending on your displacement pump model, you
may need to remove an adapter from the bottom of
the piston assembly.
may need to remove an adapter from the bottom of
the piston assembly.
9.
Slide the piston assembly (5) straight up off the bot-
tom cover.
tom cover.
10. Remove o-ring (8*) from around the piston.
11. Remove u-cup seals (3*, 43*), and o-ring (9*) from
the bottom cover.
Reassemble the Air Motor
NOTE: For easier reassembly, start with the top cover
(13) turned over on the workbench and assemble the air
motor upside-down.
(13) turned over on the workbench and assemble the air
motor upside-down.
1.
Lubricate and install the o-ring (9*) on the top cover
(13).
(13).
2.
Lubricate the inside of the cylinder (11). Lower the
cylinder (11) onto the top cover (13).
cylinder (11) onto the top cover (13).
3.
Lubricate and install the o-ring (8*) around the pis-
ton (5).
ton (5).
4.
Slide the piston assembly (5) down into the cylinder
(11). Be sure the o-ring (9*) stays in place.
(11). Be sure the o-ring (9*) stays in place.
5.
See F
. 8. Lubricate and install new u-cup seal with
flange (43*) in the bottom of the bearing in the bot-
tom cover (1). The u-cup must face up and the
flange must face down. Lubricate and install new
u-cup seal (3*) in the top of the bearing. Lips must
face up.
tom cover (1). The u-cup must face up and the
flange must face down. Lubricate and install new
u-cup seal (3*) in the top of the bearing. Lips must
face up.
6.
Lubricate and install the o-ring (9*) on the bottom
cover (1).
cover (1).
7.
Install the piston bumper (28) on the bottom
cover (1).
cover (1).
NOTICE
Do not attempt to take apart the piston assembly (5).
F
IG
. 8: Air motor u-cup installation
3*
43*
ti12755a
U-cup faces up.
Flange faces down.
Flange faces down.
Lips face up