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311990F US Patent No. D580,518,S - For portable spray application of architectural paints and coatings - Model: 261825 Model: 261830 Maximum Working Pressure: 3000 psi (20.7 MPa, 207 bar) Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions.
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Warning Warning 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 symbol refers to procedure-specific risks. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where appli- cable.
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Read fluid and solvent manufacturer’s warnings. For complete information about your material, request MSDS from distributor or retailer. • Check equipment daily. Repair or replace worn or damaged parts immediately with genuine Graco replacement parts only. • Do not alter or modify equipment.
Component Identification Component Identification ti9033a Component Pressure Control ON/OFF Switch Power Cord Fluid Outlet Prime Valve Kick Stand (210 Series A) Pump Suction Tube Drain Hose Fluid Hose Guard Trigger Safety Lock Serial Number ID Label Filter Cap Pail Hook Power Flush Adapter Shutoff Valve 311990F...
Installation Installation Grounding and Electric Do not use the sprayer if the electrical cord has a dam- aged ground contact. Only use an extension cord with Requirements an undamaged ground contact. The sprayer cord includes a grounding wire with an appropriate grounding contact.
Pressure Relief Procedure Pressure Relief Procedure 3. Turn prime valve down. Follow this Pressure Relief Procedure whenever you are instructed to relieve pressure, stop spraying, check or service equipment or install or clean spray tip. ti8326a 1. Turn OFF power and turn pressure control to lowest pressure setting.
General Repair Information General Repair Information To reduce risk of serious injury, including electric shock: • Do not touch moving or electric parts with fingers or tools while testing repair. • Unplug sprayer when power is not required for Flammable materials spilled on hot, bare, motor testing.
Troubleshooting Troubleshooting What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Motor Won’t Operate Basic Fluid Pressure 1. Pressure control knob setting. Slowly increase pressure setting to see if Motor will not run if set at mini- motor starts.
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Troubleshooting What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Basic Electrical 1. Electric supply. ON/OFF switch in Turn ON/OFF switch to ON position. Reset See wiring diagram, page OFF position.
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Troubleshooting What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Low Output 1. Worn spray tip. Relieve pressure, page 6. Replace tip. Refer to gun instruction manual, 311979. 2.
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Troubleshooting What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Motor runs and pump 1. Prime Valve Open. Close prime valve. strokes 2. Paint supply. Refill and reprime pump.
Displacement Pump Replacement Displacement Pump Replacement See manual 312015 for pump repair instructions. 4. Cycle pump until pin (31) is in position to be removed. Removal 5. Disconnect power cord from outlet. 6. Push up retaining spring (C). Push out pump pin (31). 1.
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3. Install pump pin (31). Verify retainer spring (30a) is in groove over pump pin. ti9139a 9. Fill packing nut with Graco TSL until fluid flows onto top of seal. Install pail hanger (10) with screws (11). ti9144a 4. Push pump (33) up until pump threads engage.
Drive Housing Replacement Drive Housing Replacement Installation 1. Apply a liberal coat of grease to gears and needle bearing surfaces. Install thrust bearing (28) and gears (26) and (27) in motor front endbell. Removal 1. Relieve pressure, page 6. 2. Remove pump (33). Displacement Pump Replace- ment, page 12.
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Spin Test Spin Test Armature, Brushes, and Motor Wiring Open See Wiring Diagram, page 27. Circuit Test (Continuity) 1. Connect red and black motor leads with test lead. Turn motor fan by hand at about two revolutions per second. To check armature, motor winding and brush electrical 2.
Fan Replacement Fan Replacement Removal Installation 1. Slide new fan (57a) on back of motor. Be sure fan blades face motor. 2. Install spring clip (57b). 1. Relieve pressure, page 6. Disconnect power cord from outlet. 3. Install shroud (12) with screw (13). 2.
Motor Brush Replacement Motor Brush Replacement See Wiring Diagram, page 27. 2. Push each cap (A) into place over brush. Orient each cap with the two projections on either side of Removal the brush lead. You will hear a snap when cap is securely in place.
Control Board Replacement Control Board Replacement See Wiring Diagram, page 27. 7. Remove three screws (11) securing control board to housing (two are located on the front and one on the back next to the power cord). Removal 1. Relieve pressure, page 6. Disconnect power cord from outlet.
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Control Board Replacement Installation 3. Slide control board into place on side of motor front endbell. 1. Push grommet and power cord wires into strain relief in control board (18). Strain Relief Grommet ti6122a 2. Connect power cord connectors to terminals indi- ti9154a cated on control board (18).
Fuse Replacement Fuse Replacement 3. Remove two screws (5) and toolbox (3) (190 Series A). 4. Remove two screws (11) and front cover (32). Remove screw (13) and shroud (12) (see illustra- If the fuse is blown, check for: tion, page15). •...
Pressure Control Assembly Replacement Pressure Control Assembly Replacement See Wiring Diagram, page 27. 7. Pull wires through hole (K). 8. Turn pressure control knob (17) counter clockwise as far as you can to access flats on either side of pressure control. Removal 9.
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Pressure Control Assembly Replacement Installation 3. Apply loctite to pressure control knob (B) threads. 4. Screw pressure control threads (B) into manifold and torque to 150 in-lb (17.0 N.m). Caution Be careful when tightening pressure control knob that wires are not pinched between pressure control and fluid manifold.
Drain Line Replacement Drain Line Replacement Removal Installation 1. Cut drain line (49) from barbed fitting (51). 1. Screw barbed fitting (51) into filter manifold (43). 2. Unscrew barbed fitting from filter manifold (43). 2. Push drain line (49) onto barbed fitting. To make drain line more pliable and easier to install To reuse existing barbed fitting (51) and drain line over barbed fitting, heat end of drain line (49) with a...
Power Cord Replacement Power Cord Replacement See Wiring Diagram, page 27. Installation 1. Connect green ground wire (G) to frame with green ground screw (20). Be sure green ground wire ter- minal faces up or wires could get caught in shroud. Removal 2.
Motor Replacement Motor Replacement 7. Remove two screws (4) and filter manifold (43). 8. Remove green ground screw (20) and ground wire See Wiring Diagram, page 27. (G) from motor endbell. 9. Remove cover (14). Remove four screws (4) and motor (57) from frame (1).
120V Wiring Diagram 120V Wiring Diagram from Motor Red (+) 2 x Yellow Black (-) Replaceable Fuse Pressure Control Assembly ON/OFF Switch ti5643a Black Capacitor Power White Plug Green ti5643 311990F...
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
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Warranty 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. Graco reserves the right to make changes at any time without notice.