Graco 3A0732J Manual De Usuario
Repair
3A0732J
15
Repair
General Information
•
Reference numbers and letters in parentheses in
the text refer to the callouts in the figures and the
parts drawing.
the text refer to the callouts in the figures and the
parts drawing.
•
Always use Genuine Graco Parts and Accessories,
available from your Graco distributor. If you supply
your own accessories, be sure they are adequately
sized and pressure rated for your system.
available from your Graco distributor. If you supply
your own accessories, be sure they are adequately
sized and pressure rated for your system.
To Remove Intake Valve Only
The intake ball and seat may be cleaned or serviced
without disconnecting the displacement pump.
without disconnecting the displacement pump.
1.
Stop the pump.
2.
3.
Disconnect the suction hose.
4.
Remove the intake housing (110). See F
5.
Clean or replace the ball guide (109), ball (116),
seat (117), and o-ring (111).
seat (117), and o-ring (111).
6.
Install the o-ring (111‡), seat (117), intake ball
(116‡), and ball guide (109) in the intake housing
(110).
(116‡), and ball guide (109) in the intake housing
(110).
7.
Screw the intake housing (110) onto the cylinder
(105). Torque to 70-80 ft-lb (95-108 N•m).
(105). Torque to 70-80 ft-lb (95-108 N•m).
Disconnect the Displacement
Pump
Pump
1.
Stop the pump.
2.
3.
Disconnect the air hose, fluid hose, and suction
hose.
hose.
4.
See F
. 6. Push the safety spring (9) down and
hold to access the coupling pin (18). Push the
retaining spring (19) up and push out the pin, using
a screwdriver or punch.
retaining spring (19) up and push out the pin, using
a screwdriver or punch.
5.
Loosen the jam nut (13).
6.
Unscrew the displacement pump by hand and place
on work bench.
on work bench.
F
IG
. 6. Safety Spring and Connecting Pin
19
9
18
TI16261A
13
10