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

Air Cylinder and Solenoid Valve

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 perform-
ing any service on sprayer section, page 9.
Then remove hopper, front and back covers, page 9.
Remove hose extension and RotoFlex HD Pump
assembly from frame, page 11.
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 cyl-
inder pin, by using a pliers to
straighten the ends and pull
it out of the hole.
310645L
ti4406a
ti4416a
ti4453a
4. Gently push cylinder
forward, relieving
tension on pin. Pull
out pin.
NOTE: If replacing solenoid valve only, it can be
done at this time.
a. Use adjustable wrench to rotate entire
solenoid valve assembly counterclockwise 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.
Air Cylinder and Solenoid Valve
ti4409a
ti4518a
ti4415a
ti4414a
23