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WARNING
PRESSURIZED EQUIPMENT HAZARD
To reduce the risk of an injury, follow the Pressure
Relief Procedure on page 16 whenever you stop
spraying and whenever you are instructed to
relieve pressure.
1. Relieve the pressure.
2. Flush and clean the equipment. Follow the instruc-
tion in Maintenance.
Maintenance
WARNING
FIRE AND EXPLOSION HAZARD
To reduce the risk of fire and explosion:
D Only flush, purge, or clean the PRO
3500wb spray gun with non-flam-
mable fluids, as defined on the front
cover of this manual.
D Do not flush with the gun electrostatics turned
on.
WARNING
ELECTRIC SHOCK HAZARD
Follow the Fluid Voltage Discharge
and Grounding Procedure on page 16
before cleaning or flushing the gun to
ensure the voltage is discharged and avoid serious
injury from an electric shock.
WARNING
PRESSURIZED EQUIPMENT HAZARD
To reduce the risk of an injury, follow the Pressure
Relief Procedure on page 16 when you stop
spraying, before cleaning or flushing the spray gun,
and whenever you are instructed to relieve the
pressure.
Daily Care and Cleaning
CAUTION
Fluid left in gun air passages could result in a poor
quality paint finish and may draw current and reduce
the electrostatic effect. Fluid in the power supply
cavity can reduce the alternator life.
D Immersing the gun in fluid is not recom-
mended.
D Do not use any cleaning method which may
allow solvent into the gun air passages.
Point the gun down while cleaning to prevent
fluid from running into the air passages. See
Fig. 12.
D Hang the gun with its nozzle pointing down
when it is not being used.
1. Clean the fluid and air line filters daily.
2. Clean the outside of the gun daily with a soft cloth
dampened in a non-flammable cleaning fluid.
3. Clean the air cap and fluid nozzle daily, minimum,
as instructed on page 21. Some applications
require more frequent cleaning. Replace the fluid
nozzle and air cap if they are damaged. See page
30.
4. Check the electrode wire. Straighten it if it is bent,
and replace it if it is broken or damaged. See page
32.
5. Check for any fluid leakage from the gun and fluid
hoses. Tighten fittings or replace equipment as
needed.
6. Check all of the work hangers for build-up of
material; clean them if necessary.
7. Flush the gun before changing colors and whenev-
er you are done operating the gun. See page 21.