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Troubleshooting Troubleshooting Problem Cause Solution Sprayer won’t run Power switch not on Turn switch on. No power at wall outlet Check outlet by seeing if light in the plug is illuminated. If not, try another outlet. Wrong size generator Use a 3500 watt or larger generator. Refer to Generator Requirements, page 6. Too many items on same circuit Unplug other items from circuit Extension cord too long or wrong Use a different extension cord. Refer gauge to Grounding and Electric Require-
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Troubleshooting Problem Cause Solution Speed of application too slow New pump hose not broken in Run pump dry for no longer than 2 properly minutes. Material too thick Thin material. Nozzle too small Change nozzles to a larger size. See Operation Manual, Recommended Nozzle Selection Chart, page 10. Plugged or dirty gun Relieve Pressure, page 6. Clean gun. Kinked hose Unkink hose. Gun fluid flow adjustment set too low Increase flow adjustment with flow adjustment nut. Intermittent flow/sput
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Wiring Diagram Wiring Diagram 31 39 10 Motor ON/OFF Switch Red Black Wire Wire Green Black Wire Wire Green Wire White White 8 Wire Wire Chassis Ground Power Cord 25 ti9199a 16 311771D
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Parts Parts Models 254973 9 64 7 42 55 6 � 13 9 18 12 2 42 65 � � 1 64 15 46 56 25 41 � 47 ti9654a � 8 37 10 14 3 5 28 39 37 63 31 4 20 2 21 43 17 16 11 38 24 19 22 32 29 20 36 30 33 ti9655b 27 26 44 23 311771D 17
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Parts Parts Models 254973 Ref. Part Description Qty. Ref. Part Description Qty. 28 15J506 BAG, accessories 1 1 15K225 HOPPER, 5 gallon 1 29 120658 CABLE, extension 1 2 15J181 BASE 1 30 288629 GUN, spray, texture 1 3 15K227 FRAME, tubular, painted, silver 1 31 288740 MOTOR (includes item 39) 1 4 117791 SCREW, cap, tri lobe 2 32 288229 TRAY, motor, weld 1 5 120783 SCREW, mach, pnh 3 33 288225 PULLEY, w/rollers 1 6 15K228 HANDLE, tubular, painted, silver 1 36 120444 SCREW, hex hd, flanged 1 7 2886
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Technical Data Technical Data Main Unit Power Requirements . . . . . . . . . . . . . . . . . . . . 120 Vac, 60 Hz, 15A, 1 phase Maximum Fluid Working Pressure . . . . . . . . . . . . . . . . . . 50 psi, (3.5 bar) Maximum Air Working Pressure. . . . . . . . . . . . . . . . . . . . 100 psi (7.0 bar) Compressor Specifications. . . . . . . . . . . . . . . . . . . . . . . . Universal motor thermally protected, oil-less Compressor (Not Supplied) . . . . . . . . . . . . . . . . . . . . . . . 3.5 @ 40 p
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Graco Standard Warranty Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale the original purchaser for use. 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. This
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Repair
Interior Texture Sprayer
RTX 650
311771D
For Water-Based Materials Only
Model: 254973
50 psi (0.35 MPa, 3.5 bar) Maximum Fluid Working Pressure
100 psi (0.7 MPa, 7.0 bar) Maximum Air Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Related Manuals
311777
ti8370a
311767
Model 254973 Shown
US C
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Conforms to ANSI/UL
Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001
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Warnings Warnings The following are general warnings related to the setup, use, grounding, maintenance and repair of this equipment. Additional, more specific warnings may be found throughout the body of this manual where applicable. Symbols appearing in the body of the manual refer to these general warnings. When these symbols appear through the man- ual, refer back to these pages for a description of the specific hazard. Warnings Fire and Explosion Hazard Improper grounding, poor ventilatio
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Warnings Warnings Electric Shock Hazard To reduce the risk of electric shock: � Be sure sprayer is adequately grounded through electrical outlet, page 6. � Use only 3-wire, extension cords. � Make sure ground prongs are intact on sprayer and extension cords. � Do not operate with cover removed. � Turn off sprayer. Follow Pressure Relief Procedure, page 6, and unplug unit, before removing any parts. Pressurized Equipment Hazard Fluid from gun, leaks or ruptured components can spla
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Warnings CAUTION Water or material remaining in unit when temperatures are below freezing can damage motor and/or delay pump startup. To insure water and material are completely drained out of unit: 1. Remove material line from sprayer. 2. Tip sprayer up as shown. ti9075a Before adding material or starting unit in cold weather, run warm water through pump. Install burp guard (J) before adding material to hopper. When only a small amount of material remains in the hopper, the burp guard preven
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Component Identification Component Identification Model 254973 Shown P A B N M C H D R ti8369a E L F G K J Q 3.5 cfm@40 min. Item Component Item Component A Pump Hose Outlet J Burp Guard B RotoFlex™ II Pump (inside) K ON/OFF Switch C Texture Spray Gun (Manual 311777) L Power Cord (120V, 15 ft) D Nozzle (2 included) M Material Hopper - 5 gallon E Material Hose (20 ft) N Cord Wrap F Material Thickness Gauge P Handle G Accessories Bag Q Air Compressor (Not Supplied by Graco) H Gun Air Valve R Knob/
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Component Identification Pressure Relief Procedure Grounding and Electrical Requirements To reduce risk of injury, follow this procedure whenever you see this symbol throughout this This sprayer must be grounded. Grounding reduces the manual, Also, perform this procedure whenever risk of electrical shock by providing an escape wire for you: the electrical current. The sprayer cord includes a grounding wire with an appropriate grounding plug. The � Stop spraying plug must be plugged i
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Shroud Removal Shroud Removal Disassembly Reassembly 1. Relieve Pressure, page 6. 1. Slide shroud (7) onto base (2). 2. Unplug sprayer from outlet. 2. Tighten two bottom screws (15) and two top screws (64 ) into shroud (7). ti2810b 3. Remove two screws (15) and two screws (64) from back of shroud (7). 64 7 15 ti9658a 4. Pull shroud (7) back and up over knob (41). 7 2 ti9659a 311771D 7
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™ RotoFlex II Pump ™ RotoFlex II Pump 6. Use 3/8 in. socket to remove screw (36) from hose Disassembly bracket (27). 1. Relieve Pressure, page 6. 2. Unplug sprayer from outlet. 36 ti9065a 7. Slide hose fittings out of hose bracket (27) and ti2810b remove hose (23) from base (2). 3. Remove Shroud, page 7. 4. Loosen two spacers (56) and knob (41). ti3084a 41 56 ti9657a 5. Loosen hopper fitting by hand to remove hopper (1). 1 ti8781a 8 311771D
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™ RotoFlex II Pump 5. To set pressure, apply petroleum jelly to threads Reassembly (41), tighten knob (41) until back of bracket (25) is approximately 1/2 in. from front of tensioning 1. Bend hose (23) so colored dots on hose fittings face bracket (16). each other and slide hose fittings through hose bracket (27). 25 16 ti9710a ti3084a Tighten front spacer (56) until flush to front of ten- sioning bracket (16). Tighten back spacer (56) 3/8 CAUTION in. from tensioning bracket. Make sure pr
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Motor Motor 9. Remove two clevis pins (20) from base. Disassembly 1. Relieve Pressure, page 6. 2. Unplug sprayer from outlet. 20 ti8783a ti2810b 10. Slide motor tray (32) out of slots in base (2) to remove motor and tray from sprayer. 3. Remove Shroud, page 7. 4. loosen knob (41) until spring relaxes. 2 32 41 ti9070a ti9657a 11. Remove Belt, page 13. 5. Remove Pump, page 8. 12. Loosen bolts (4) and remove motor (31) from motor 6. Disconnect all electrical Wiring, page 16. tray (32). 7. Use 1/
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Motor 6. Pull back on motor tray (32) to create slack in Reassembly extension cable (29). Loop extension cable (29) through pulley (17) and connect to extension spring 1. Tighten Belt, page 13. (19). Apply petroleum jelly to pulley (17) and threads 2. Use petroleum jelly to grease area of shaft that on knob (41). makes contact with extension cable (29). 19 17 29 29 ti9060a ti9059a 3. Slide pin on motor tray (32) into slots on base and 7. Tighten knob (41). push motor and tray back into pos
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Motor Fuse Removal Motor Fuse Removal When replacing fuse, use only Bussman GMF-3 (3A) to The cover will pop up to allow the fuse (F) to be prevent premature trips or equipment damage. inspected and replaced if needed. The motor has a replaceable fuse attached to the motor F bracket. The fuse assembly (A) is fastened to the motor bracket along with a clamp. A ti9201a ti9206a To remove the motor fuse, press down on the round center cover (C) and turn it counterclockwise. C ti9200a 12 311771
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Belt Belt Disassembly Reassembly 1. Relieve Pressure, page 6. 1. Loop one end of belt over extension cable (29) and pulley (17), then loop other end of belt over motor 2. Unplug sprayer from outlet. shaft (make sure teeth of belt (24) and pulley are aligned). 24 ti2810b ti8784a 3. Remove Shroud, page 7. 2. Insert flat screwdriver into slot on back of motor tray 4. Remove Motor, page 10. (32) and use screwdriver as a lever to pull motor 5. Place motor tray (32) into vice and tighten until (
