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WARNING 

4

310820H

FIRE AND EXPLOSION HAZARD 
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and 
explosion:

Do not spray flammable or combustible materials near an open flame or sources of ignition such as cigarettes, 
motors, and electrical equipment.

Paint or solvent flowing through the equipment is able to result in static electricity. Static electricity creates a risk 
of fire or explosion in the presence of paint or solvent fumes. All parts of the spray system, including the pump, 
hose assembly, spray gun, and objects in and around the spray area shall be properly grounded to protect 
against static discharge and sparks. Use Graco conductive or grounded high-pressure airless paint sprayer 
hoses.

Verify that all containers and collection systems are grounded to prevent static discharge.

Connect to a grounded outlet and use grounded extensions cords. Do not use a 3-to-2 adapter.

Do not use a paint or a solvent containing halogenated hydrocarbons.

Keep spray area well-ventilated. Keep a good supply of fresh air moving through the area. Keep pump assembly 
in a well ventilated area. Do not spray pump assembly.

Do not smoke in the spray area.

Do not operate light switches, engines, or similar spark producing products in the spray area.

Keep area clean and free of paint or solvent containers, rags, and other flammable materials.

Know the contents of the paints and solvents being sprayed. Read all Material Safety Data Sheets (MSDS) and 
container labels provided with the paints and solvents. Follow the paint and solvents manufacturer’s safety 
instructions.

Fire extinguisher equipment shall be present and working.

Sprayer generates sparks. When flammable liquid is used in or near the sprayer or for flushing or cleaning, keep 
sprayer at least 20 feet (6 m) away from explosive vapors.

SKIN INJECTION HAZARD 

Do not aim the gun at, or spray any person or animal.

Keep hands and other body parts away from the discharge. For example, do not try to stop leaks with any part 
of the body.

Always use the nozzle tip guard. Do not spray without nozzle tip guard in place.

Use Graco nozzle tips.

Use caution when cleaning and changing nozzle tips. in the case where the nozzle tip clogs while spraying, 
follow the Pressure Relief Procedure for turning off the unit and relieving the pressure before removing the 
nozzle tip to clean.

Do not leave the unit energized or under pressure while unattended. When the unit is not in use, turn off the unit 
and follow the Pressure Relief Procedure for turning off the unit.

High-pressure spray is able to inject toxins into the body and cause serious bodily injury. In the event that 
injection occurs, get immediate surgical treatment.

Check hoses and parts for signs of damage. Replace any damaged hoses or parts.

This system is capable of producing 3300 psi. Use Graco replacement parts or accessories that are rated a 
minimum of 3300 psi.

Always engage the trigger lock when not spraying. Verify the trigger lock is functioning properly.

Verify that all connections are secure before operating the unit.

Know how to stop the unit and bleed pressure quickly. Be thoroughly familiar with the controls.

WARNING

Summary of Contents for 310820H

Page 1: ...portable spray applications of architectural paints and coatings 3300 psi 227 bar 22 7 MPa Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Sav...

Page 2: ...arning 3 Component Identification 6 Pressure Relief Procedure 7 Grounding 8 9 Setup 9 Startup 11 Clearing Clogs 13 Platform Access Position 826098 15 Platform Transport Position 826098 16 16 Technical...

Page 3: ...e cord or plug is required do not connect the grounding wire to either flat blade terminal The wire with insulation having an outer surface that is green with or without yellow stripes is the groundin...

Page 4: ...d container labels provided with the paints and solvents Follow the paint and solvents manufacturer s safety instructions Fire extinguisher equipment shall be present and working Sprayer generates spa...

Page 5: ...ctrical outlets Use only 3 wire extension cords Ensure ground prongs are intact on sprayer and extension cords Do not expose to rain Store indoors PRESSURIZED ALUMINUM PARTS HAZARD Do not use 1 1 1 tr...

Page 6: ...A Pressure Control B ON OFF switch D Power Cord E Fluid Outlet F Prime Valve H Pump J Suction Hose K Drain Hose M Fluid Hose N Gun P Tip R Guard S Trigger Safety Lock T Model Serial Tag U Filter V Pla...

Page 7: ...ontrol to lowest pressure 2 Hold gun against side of grounded metal flushing pail Trigger gun to relieve pressure 3 Turn prime valve down If you suspect spray tip or hose is clogged or pressure is not...

Page 8: ...ged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances Power Requirements Extension Cords Do not modify plug If it will not fit in outlet have gro...

Page 9: ...metal pail connect a ground wire to the pail by clamping one end to pail and other end to a true earth ground such as a water pipe To maintain grounding continuity when flushing or relieving pressure...

Page 10: ...d into a properly grounded electrical outlet 9 Turn prime valve down 10 Place siphon tube set in grounded metal pail pratially filled with flushing fluid See Grounding page 9 Do steps 1 6 of Startup p...

Page 11: ...lve horizontal Take spray gun trigger safety OFF 5 Hold gun against grounded metal flushing pail Trigger gun and flush 1 minute 6 Inspect for leaks Do not stop leaks with hand or a rag If leaks occur...

Page 12: ...9 1 Spray test pattern Adjust pressure to eliminate heavy edges 2 Use smaller tip size if pressure adjustment cannot eliminate heavy edges 3 Hold gun perpendicular 10 12 in from surface Spray back and...

Page 13: ...ke safety OFF and continue spraying 1 Relieve Pressure page 7 2 Remove guard and Spray Tip For additional information see gun manual 309639 3 Remove siphon tube set from paint Wipe excess paint off ou...

Page 14: ...bove flushing fluid 10 Close drain valve Trigger gun into flushing pail to purge fluid from hose 11 Turn pressure control knob all the way down and power switch OFF Unplug sprayer 12 If you have a fil...

Page 15: ...table intermediate stepping device The sprayer platform is reversible and can be installed facing either direction To install the platform perform the following steps 1 Slide platform guiding plate G...

Page 16: ...e of sprayer frame 2 Slide guiding plate G off opposite side of frame and lift platform off of sprayer 3 Slide guiding plate G onto either side of sprayer frame 4 Align clips on opposite side of platf...

Page 17: ...delivery gpm lpm 0 47 1 8 Maximum tip size 0 021 Fluid outlet npsm 1 4 in Dimensions Hi Boy Length 22 0 in 55 9 cm Width 20 5 in 52 1 cm Height 38 8 in 98 6 cm Weight 58 lbs 25 9 kg Dimensions ProSte...

Page 18: ...aimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspec...

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