Graco 3A0732J Manual De Usuario
Repair
20
3A0732J
Reassemble the Air Valve
1.
See F
IG
. 9. Lubricate detent cam (304
◆) and install
into housing.
2.
See F
. 10. Lubricate the u-cups (308†
◆) and
install on the piston (302
◆) with lips facing toward
the center of the piston.
3.
See F
IG
. 9. Lubricate both ends of the piston (302
◆)
and install it in the housing.
4.
Lubricate and install the detent assembly (303
◆)
into the piston.
5.
Lubricate new o-rings (306†
✠◆) and install on the
end caps (307
✠). Install the end caps into the hous-
ing.
6.
Install a snap ring (310
◆✠) on each end to hold end
caps in place.
7.
Install the spring (311
◆). Lubricate and install the air
valve cup (312
◆), see F
. 11. Align the small round
magnet with the air inlet.
8.
Install the valve plate (305
◆). Tighten the screws
(309†
◆) to hold it in place.
Replace Pilot Valves
1.
2.
Disconnect the air line to the motor.
3.
See F
. 12. Push the safety spring (9) down and
hold to access the pilot valve on the bottom cover.
4.
See F
remove the old pilot valves (213) from the top and
bottom covers.
bottom covers.
5.
Lubricate and install the new pilot valves (213).
Torque to 95-105 in-lb (11-12 N•m).
Torque to 95-105 in-lb (11-12 N•m).
F
IG
. 10. Air Valve U-cup Installation
Lips face down
Lips face up
†
◆308
†
◆308
◆302
ti12754a
F
IG
. 11. Air Valve Cup Installation
312
◆
ti16283a
Magnet