Graco TexSpray GM 1030 Instructions-Parts List Manual page 15

REMOVING & INSTALLING A DISPLACEMENT PUMP
Removal
5. Lift
the pump to align the mounting holes and in-
stall the mounting screws. IMPORTANT
-
torque
the screws to
20
ft-lb (27 N.m). See Fig 9.
shut off the engine and disconnect the spark
plug before performing any checks or seivice.
6 .
Connect all cables (D) to the pressure drain valve.
See Fig 11. Plug in the power cord so the notch
1. Flush the sprayer. Remove the suction hose.
Remove the outlet hose.
align. Screw on the collar. See Fig
IO.
(6) in the collar (C) and the tab (A) in the socket
WARNING
228
23
6 1
22
2.
Siart the engine. Jog the Easy Spray Control
between PRIME and OFF until the connecting link
stops near the bottom of the stroke and is fully
exposed. See Fig 9. Shut off the engine.
6 0 A ,
3. Unscrew the collar (C) and disconnect the power
supply cord from the control (75). See Fig 10.
A
Torque to 20 fl-ib (27 N.m)
4.
Loosen the two mounting screws
(60).
See Fig
9.
A
Back of
pump
5. Use a screwdriver to push in the connecting link
A
Cutaway view shows how pin (228) goes
pin
(228)
just until you
Can
gently pry the retaining
Fig
9
Dun
ring up
(61)
from the back of the connecting link
(22). Then push the pin in so
it
falls out the back.
6.
Remove the two mounting screws (60) while sup-
porting the weight of the pump with your free
hand.
See
Fig
9.
through connecting rod
7. Disconnect the cables (D) from the pressure drain
8. Unscrew the gauge, using a 1
. O W
wrench.
valve. See Fig
11.
the the pump.
Unscrew the pressure drain valve assembly from
Installation
1. Screw the pressure drain valve into the pump.
Install the gauge.
2.
Push the pin
(228)
slightly into the connecting link
(a),
but not into the mating hole of the pump.
3. Pull the piston rod (201) out
of the pump
2
to 3 in
(50 to
75
mm).
4. Align the flats of the pump piston rod and the
pump outlet. Lift the pump into position and gent-
ly push on the pin while moving the pump slightly
until the pin slips into the hole. Be sure the retain-
ing ring
(61)
snaps down over the end of the pin.
the parts are installed properly.
Check the back
o f
the bearing housing to be sure
1 -
WARNING - I
To reduce the risk of serious injury or property
damage, be sure the retaining spring is firmly
and completely in the groove
of
the connecting
link to prevent
it
from working loose due to vi-
bration. See Fig 9.
C
A
Fig
10
w
"
Fig 11
' I
308-269 15