Read all warnings and instructions in this manual and related manuals. Be familiar with the controls and the proper usage of the equipment. Save these instructions. Related Manuals Gun – 312830 (SG3) Pump – 334599 ti25464a 17D163 17C305 Use only genuine Graco replacement parts. The use of non-Graco replacement parts may void warranty.
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.
Use Graco conductive or grounded high-pressure airless paint sprayer hoses. •...
Page 5
• Check hoses and parts for signs of damage. Replace any damaged hoses or parts. • This system is capable of producing 3000 psi. Use Graco replacement parts or accessories that are rated a minimum of 3000 psi. • Always engage the trigger lock when not spraying. Verify the trigger lock is functioning properly.
Page 6
Warnings ELECTRIC SHOCK HAZARD This equipment must be grounded. Improper grounding, setup, or usage of the system can cause electric shock. • Turn off and disconnect power cord before servicing equipment. • Connect only to grounded electrical outlets. • Use only 3-wire extension cords. •...
Component Identification Component Identification Stand Model ti25254a M Drain Tube ON/OFF Switch Fluid Intake Pressure Control Pump Prime Valve Fluid Outlet Tip Guard Power Cord Wrap Spray Tip Filter Finger Guard / TSL Fill Point Airless Hose Model/Serial Tag (Not shown, located Power Cord on bottom of unit.) Trigger Lock...
Component Identification Hi-Boy Models ti25465a M Drain Tube ON/OFF Switch Fluid Intake Pressure Control Pump Prime Valve Fluid Outlet Tip Guard Hanger Spray Tip Filter Finger Guard / TSL Fill Point Airless Hose Pail Hook Power Cord Model/Serial Tag (Not shown, located Trigger Lock on bottom of unit.) 334659A...
Grounding Grounding The equipment must be grounded to reduce the risk of static sparking and electric shock. An electric or static spark can cause fumes to ignite or explode. An improper ground can cause electric shock. A good ground provides an escape wire for the electric current.
Pressure Relief Procedure Pressure Relief Procedure Turn pressure control to lowest setting. Follow the Pressure Relief Disengage trigger lock. Procedure whenever you see this symbol. This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as skin injection, splashed fluid ti25230a and moving parts, follow the Pressure...
Pressure Relief Procedure Put drain tube in pail. Turn prime valve VERY SLOWLY loosen tip guard retaining nut or hose end coupling to down. Leave prime valve in down (drain) relieve pressure gradually. position until you are ready to spray again.
When unpacking sprayer for the first time or after long term storage perform setup procedure. When first setup is performed remove shipping plug from fluid outlet. Connect Graco airless hose to fluid ti25199a outlet. Use wrenches to tighten securely. Use wrenches to tighten securely.
Page 13
Setup When unpacking sprayer for the first time remove packaging materials from inlet strainer. After long term storage check inlet strainer for clogs and debris. ti24639a Make certain ON/OFF switch is OFF. ti24638a Fill throat packing nut with TSL to ti25130a prevent premature packing wear.
Page 14
Setup 10. Turn prime valve down. 14. Increase pressure 1/2 turn to start motor. Allow fluid to flush through sprayer for one minute. 15. Turn prime valve horizontal. Disengage trigger lock. ti25200a 16. Hold a metal part of the gun firmly to a grounded metal pail.
Startup Startup Increase pressure 1/2 turn to start motor. Allow paint to circulate through sprayer until paint flows out the drain tube. Perform Pressure Relief Procedure, page 10. Turn pressure control to lowest pressure. ti25231a Turn prime valve horizontal. Disengage trigger lock.
Page 16
Startup Hold gun against grounded metal waste pail. Trigger gun until paint appears. 20 s ti25202a 10. Screw tip assembly onto gun and tighten. See Spray Tip Installation, page 17. For gun assembly instructions, see separate gun manual. ti24647a Move gun to paint pail and trigger for 20 seconds.
Operation Operation Spray Tip Installation 3. Screw assembly onto gun. Tighten. 1. Perform Pressure Relief Procedure, page 10. 2. Use spray tip (A) to insert ™ OneSeal (B) into tip guard (C). ti24652a Spray Spray test pattern. Adjust pressure to eliminate heavy edges.
Operation Clear Tip Clog Use smaller tip size if pressure adjustment cannot eliminate heavy edges. Hold gun perpendicular, 10-12 in. (25-30 cm) from surface. Spray back and forth; overlap by 50%. Release trigger. Engage trigger lock. Rotate Spray Tip. Disengage trigger lock.
Operation Cleanup Perform Pressure Relief Procedure, page 10. Remove tip guard and Spray Tip. For additional information, see separate gun manual. ti24709a Place fluid intake in flushing fluid. Use water for water base paint and mineral spirits for oil-based paint. Place drain tube in waste pail.
Page 20
Operation Increase pressure 1/2 turn to start motor. Hold gun against paint pail. Disengage trigger lock. Trigger gun and increase pressure until the pump runs steady and flushing fluid appears. ti24713a Raise fluid intake above flushing fluid. ti24712a ti25232a Stop triggering gun. Move gun to waste pail, hold gun against pail, trigger gun to thoroughly flush system.
Page 21
Operation 10. Turn prime valve horizontal. Trigger gun into flushing pail to purge fluid from hose. 11. Engage trigger lock. ti24718a 14. If flushing with water, flush again with mineral spirits or Pump Armor to leave a protective coating to prevent freezing or corrosion.
Maintenance Maintenance Routine maintenance is important to ensure proper operation of your sprayer. Maintenance includes performing routine actions which keep your sprayer in operation and prevents trouble in the future. Activity Interval Inspect/clean sprayer filter, fluid inlet strainer, and gun Daily or each time you spray filter.
Troubleshooting Troubleshooting Mechanical/Fluid Flow Follow Pressure Relief Procedure, Check all possible problems and causes page 10, before checking or repairing. before disassembling the unit. What to Check What to Do If check is OK, go to next When check is not OK, Problem check refer to this column...
Page 24
Troubleshooting What to Check What to Do If check is OK, go to next When check is not OK, Problem check refer to this column Pump output is low Pump rod damage. Repair pump. See pump manual. Low stall pressure. Turn pressure knob fully clockwise.
Page 25
Troubleshooting What to Check What to Do If check is OK, go to next When check is not OK, Problem check refer to this column Fluid is spitting from gun Air in pump or hose. Check and tighten all fluid connections.
Troubleshooting Electrical Turn the ON/OFF switch OFF wait 30 seconds and then turn power back ON again (this ensures sprayer is in normal Symptom: Sprayer does not run, stops run mode). running, or will not shut off. Turn pressure control knob clockwise 1/2 turn.
Page 27
Troubleshooting Problem What to Check How to check Check motor rotation. Perform a spin test by connecting a 9 –12 Volt battery to the motor leads. Motor leads may vary in style and size. Locate the two wires going to the carbon brushes normally Red and Black.
Page 28
Troubleshooting Problem What to Check How to check Check motor armature resistance. Connect the Red and Black leads from the motor to an Ohm meter. Rotate the motor while checking for opens. If an open is found replace the motor. BLACK (-) RED (+) YELLOW...
Page 29
Troubleshooting Problem What to Check How to check Sprayer will not shut off after reaching Check pressure control. Disconnect pressure control, if or exceeding maximum pressure. sprayer still runs, replace control board. If the sprayer stops, replace pressure control. Basic electrical problems Motor leads are securely fastened Replace loose terminals;...
Stand Model Sprayer Parts Stand Model Sprayer Parts Ref. Torque 140-160 in-lb (15.8 - 18.1 N•m) 30-35 in-lb (3.4 - 4.0 N•m) 23-27 in-lb (2.6 - 3.1 N•m) See page 36. ti25303a 334659A...
Page 31
Stand Model Sprayer Parts Ref. Torque 140-160 in-lb (15.8 - 18.1 N•m) Hammer tight 23-27 in-lb (2.6 - 3.1 N•m) ti25255a 334659A...
Stand Model Sprayer Parts Stand Model Parts List Ref. Part Description Qty. Ref. Part Description Qty. 17C583 FAN, motor, roller, 115498 SCREW, mch, slot/hex, clutch wash hd 16X726 WASHER, shim, round 117501 SCREW, mach, slot 15E818 TUBE, drain hex wash hd 15J743 CORD, power 117559...
Control Box and Filter Control and Filter Parts List Ref. Part Description Qty. Ref. Part Description Qty. 15E022 SEAT, valve 104361 PACKING, o-ring 187625 HANDLE, valve, drain 111600 PIN, grooved 239914 VALVE, drain, includes 277364 GASKET, seat, valve 5, 26 117501 SCREW, mach, hex 224807...
Wiring Diagram Wiring Diagram from Motor Red (+) 2 x Yellow Black (-) Replaceable Fuse Pressure Control Assembly ON/OFF Switch ti5643a Black Capacitor Power White Plug Green ti5643a 334659A...
Technical Specifications Technical Specifications 17D163, 17C305 Metric Sprayer Maximum fluid working pressure 3000 psi 207 bar, 20.7 MPa Maximum Delivery 0.47 gpm 2.1 lpm Maximum Tip Size 0.021 0.021 Fluid Outlet npsm 1/4 in. 1/4 in. Cycles 700 per gallon...
Graco’s written recommendations. This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non-Graco component parts.
For the latest information about Graco products, visit www.graco.com. For patent information, see www.graco.com/patents. TO PLACE AN ORDER, contact your Graco distributor or call 1-800-690-2894 to identify the nearest distributor. All written and visual data contained in this document reflects the latest product information available at the time of publication.