Removing And Installing A Pump - Graco GM 1030 Instructions-Parts List Manual

Removing and Installing a
Pump
Removal
To reduce the risk of injury due to sprayer starting
unexpectedly, shut off engine and disconnect spark
plug before performing checks or sewice.
1. Flush the sprayer. Remove the suction hose.
Remove the outlet hose.
MOVING
PARTS HAZARD
keep fingers away from the connecting
link and Din while jogging the engine.
To reduce the risk of amputating fingers,
MOVING
PARTS HAZARD
To reduce the risk of a serious injury or
property damage if the pin (228) comes
loose. be sure the retaining spring is
completely in the groove of the connecting link to
prevent it from working loose due to vibration.
5. Lift the pump to align the mounting holes and
the screws to 20 ft-lb (27 N.m). See Fig. 10.
install the mounting screws. IMPORTANT
-
torque
6.
Connect all cables (D)
to
the pressure drain valve.
See Fig. 12. Plug in the power cord
so
the notch
(8)
in the collar (C) and the tab (A) in the socket
align. Screw on the collar. See Fig. 11.
\ \
I /
2. Start the engine. Jog the Easy Spray Control
between PRIME and OFF until the connecting link 228
stops near the bottom of the stroke and is fully
exposed.
See
Fig.
IO.
Shut
off
the engine.
3.
Unscrew the collar (C) and disconnect the power
supply cord from the control (75). See Fig.
11.
4. Loosen the
two
mounting screws (60).
See
Fig.
IO.
23
61
5.
Use
a screwdriver to push in the connecting link
pin (228) just until you can gently pry the retaining
ring up (61) from the back
of
the connecting link
(22). Then push the pin in so it falls out the back.
supporting the weight of the pump with your free
hand.
See
Fig.
IO.
valve. See Fig. 12.
the the pump.
Unscrew the pressure drain valve assembly from
6. Remove the two mounting screws (60) while
7.
Disconnect the cables
(D)
from the pressure drain
8.
Unscrew the gauge, using
a
1.062 inch wrench.
Installation
1.
Screw the pressure drain valve into the pump.
Install the gauge.
2. Push the pin (228) slightly into the connecting link
(22), but not into the mating hole of the pump.
3. Pull the piston rod (201) out
of
the pump 2 to 3
inches
(50
to 75 mm).
4.
Align the flats of the pump piston rod and the
pump outlet. Lift the pump into position and gently
push on the pin (228) while moving the pump
slightly until the pin slips into the hole.
Be
sure the
pin. Check the back
of
the bearing housing to be
retaining ring (61) snaps down over the end of the
sure the parts are installed properly. See Fig.
IO.,
A
Torque to 20
ft-lb
(27 N.m)
A
Back
of
pump
A
Cutaway view shows how
pin (228)
goes
Fig. 10
through connecting
rod
0407
C
A
Fig.
11
Fig.
12
\
308-269
15