10
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cleanup
Special cleanup instructions for use with
flammable solvents:
• Always flush spray gun preferably outside and at least one
hose length from spray pump.
• If collecting flushed solvents in a one gallon metal
container, place it into an empty five gallon container, then
flush solvents.
• Area must be free of flammable vapors.
• Follow all cleanup instructions.
IMPORTaNT: The sprayer, hose, and gun should be cleaned
thoroughly after daily use. Failure to do so permits material
to build up, seriously affecting the performance of the unit.
always spray at minimum pressure with the gun
nozzle tip removed when using mineral spirits or
any other solvent to clean the sprayer, hose, or
gun. Static electricity buildup may result in a fire
or explosion in the presence of flammable vapors.
1. Follow the “Pressure Relief Procedure” found in the
Operation section of this manual.
2. Remove the gun tip and tip guard and clean with a brush
using the appropriate solvent.
3. Place the foot valve/shovel valve into a container of the
appropriate solvent.
IMPORTaNT: use only compatible solvents when cleaning
out oil based enamels, lacquers, coal tar, and epoxies.
check with the fluid manufacturer for the recommended
solvent.
4. Place the bleed hose into a metal waste container.
5. Set the pressure to minimum by turning the pressure
control knob fully counterclockwise.
Hydraulic Shut-off
Valve (in open
position)
Pressure Control
Knob
Bleed Valve
6. Open the hydraulic shut-off valve located on the hydraulic
pressure hose. The handle should be in line with the
hose.
7. Open the bleed valve by turning the bleed valve knob fully
counterclockwise.
8. Start the engine or turn on the electric motor.
9. Allow the solvent to circulate through the sprayer and
flush the paint out of the bleed hose into the metal waste
container.
10. Turn off the sprayer.
11. Close the bleed valve by turning the bleed valve knob fully
clockwise.
12. Start the engine or turn on the electric motor.
Ground the gun by holding it
against the edge of the metal
container while flushing. Failure to
do so may lead to a static electric
discharge, which may cause a fire.
13. Trigger the gun into the metal waste container until the
paint is flushed out of the hose and solvent is coming out
of the gun.
14. Continue to trigger the spray gun into the waste container
until the solvent coming out of the gun is clean.
NOTE: For long-term or cold weather storage, pump
mineral sprits through the entire system.
15. Follow the “Pressure Relief Procedure” found in the
Operation section of this manual.
16. Store the sprayer in a clean, dry area.
IMPORTaNT: Do not store the unit under pressure.
cleaning a clogged Tip
1. Follow the “Pressure Relief Procedure” in the Operation
section of this manual.
2. If the tip clogs, rotate the tip handle 180° until the arrow on
the handle is facing the opposite of the spray direction and
the handle clicks in the reverse position.
3. Trigger the gun once so that the pressure can blow the
clog out. NEVER use the tip in the reverse position for
more than ONE trigger pull at a time. This procedure can
be repeated until the tip is free of clogging.
The flow from the spray tip is at very high pressure.
contact with any body part may be dangerous. Do
not place finger on gun outlet. Do not point the
gun at any person. Never operate the spray gun
without the proper tip guard.
Maintenance
Before proceeding, follow the Pressure Relief
Procedure outlined previously in this manual.
additionally, follow all other warnings to reduce
the risk of an injection injury, injury from moving
parts or electric shock. always unplug the sprayer
before servicing!
Daily Maintenance
Two daily procedures are required for routine operator
maintenance on this sprayer:
1. Lubricating the upper packings.
2. Cleaning the rock catcher.
cleaning the Inlet Screen (PowrTex 6900 SF)
Foot Valve
Housing
Inlet
Screen
Retaining
Ring
The inlet screen will clog and must be
cleaned at least once a day.
1. Remove the retaining ring from the
foot valve housing
2. Remove the inlet screen from the
Foot valve housing.
3. Clean thoroughly with the
appropriate solvent.
Lubricating the upper Packings
Packing Oil
Cup
1. Clean out the paint that has seeped
past the upper packings into the
packing oil reservoir above the fluid
section.
2. Fill the packing oil reservoir 1/2 full with
Piston Lube (P/N 314-480) supplied by
the factory. This will extend packing
life.
NOTE: Do not over-fill the reservoir
so that it overflows and drips
into the paint.
