Air Cylinder And Solenoid Valve - Graco RTX 1500 Repair And Parts Manual

Use Cylinder Replacement Kit, 287323.
For 120 V sprayer use Solenoid Replacement Kit
287324.
For 230V sprayer use Solenoid Replacement Kit
287351.
Disassembly
First read and follow instructions in the Before
performing any service on sprayer section, page 10.
Then remove hopper, front and back covers, page 10.
Remove hose extension and RotoFlex HD Pump
assembly from frame, page 12.
1 Remove hose from quick
release fitting by using your
fingers on one hand to push
in on ring while at the same
time, using the other hand,
gently pull the hose out of the
fitting.
2 Remove electric wire ter-
minal connections.
3 Remove cotter key located
on the end of the cylinder pin,
by using a pliers to straighten
the ends and pull it out of the
hole.
24

Air Cylinder and Solenoid Valve

ti4406a
ti4416a
ti4453a
Air Cylinder and Solenoid Valve
4 Gently push cylinder forward,
relieving tension on pin. Pull
out pin.
If replacing solenoid valve only, it can be done at
this time.
a Using an adjustable wrench, rotate entire solenoid
valve assembly counter clockwise from cylinder.
b Replace solenoid valve and continue with step 4 of
reassembly.
5 Lift cylinder up and pull it
back.
6 Remove dampening
grommet.
7 Using a 15/16 in. wrench,
loosen nut, located inside
sprayer frame at the end
of the air cylinder.
8 Using a 15/16 in. wrench,
loosen nut on the other
side of the sprayer frame.
9 Pull cylinder out of sprayer
frame.
If replacing cylinder only,
remove solenoid valve
(see a and b above) and
reinstall on new cylinder.
ti4409a
ti4518a
ti4415a
ti4414a
310645F