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Repair and Parts
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™ ™ ™ ™
X5, X7, ProX7 & ProX9 Airless Sprayers
312667B
- For portable spray applications of architectural paints and coatings - (See specifications, page 2.)
US Patent 6,752,067
European Patent 1 208 287
Korean Patent 10-0668583
IMPORTANT SAFETY INSTRUCTIONS.
Read all warnings and instructions in this manual. Save
these instructions. See page 2 for model and series infor-
mation including dispense rate, recommended hose
length, guns, a
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Specifications Specifications This equipment is not intended for use with flammable or combustible materials used in places such as cabinet shops or other “factory”, or fixed locations. If you intend to use this equipment in this type of application, you must comply with NFPA 33 and OSHA requirements for the use of flammable and combustible materials. Maximum Working Pressure Dispense Rate Hose Length and Gun Model Name Series gpm (lpm) Diameter Model PSI MPa bar 0.24 gpm 1/4 in. x 25 ft
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Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. Refer back to these warnings. Additional, product specific warnings may be found throughout the body of this manual where applicable. Grounding Instructions This product must be grounded. In the event of an electrical short circuit, grounding reduces the ris
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Warnings WARNING 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. For X5 and X7 models: only use water-based or min- eral spirit-type materials with a flash point greater than 70° F (21° C). � Paint or solvent flowing through the equipment is able to
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Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. � Always wear appropriate gloves, eye protection, and a respirator or mask when painting. � Do not operate or spray near children. Keep children away from equipment at all times. � Do not overreach or stand on an unstable support. Keep effective footing and balance at all times. � Stay alert and watch what you are doing. � Do not operate the unit when fatigued or under the influence of drugs or alcohol. � Do not k
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Installation Installation Fluid supply container: follow local code. Grounding and Electric Requirements Solvent pails used when flushing: follow local code. Use only conductive metal pails, placed on a grounded surface such as concrete. Do not place the pail on a nonconductive surface, such as paper or cardboard, which interrupts grounding continuity. Sprayer must be grounded. Grounding reduces the risk Grounding the metal pail: connect a ground wire to the of static and electric shock
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Component Identification Component Identification A Airless spray gun Sprays fluid. B Power switch Turns sprayer ON and OFF. Increases (clockwise) and decreases (counter-clockwise) fluid pres- C Pressure control knob sure in pump, hose, and spray gun. To select function, align symbol on pressure control knob with setting C1 Setting Indicator indicator, page 9. D Pump fluid outlet fitting Threaded connection for paint hose. � Filters fluid coming out of pump to reduce tip plugging and ™ InstaCle
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Component Identification ti9724a ti9346a W U B K J F F1 N ti9670a H X C G C1 ti9368a AA ti9669a L E D R S V A Q V (SG20) T (SG10) M ti9667a ti11455a ti9668a 8 312667B
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Operation Pressure Relief Procedure Operation See Operation manual 312001 for basic information on Follow this Pressure Relief Procedure whenever you sprayer set-up, flushing, and storage. stop spraying and before cleaning, checking, servicing, or transporting equipment. Trigger Lock 1. Turn power switch OFF and unplug Always engage the trigger lock when you stop spraying power cord. to prevent the gun from being triggered accidentally by hand or if dropped or bumped. ti2018a 2. Turn Prim
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General Repair Information General Repair Information To reduce risk of serious injury, including electric shock: � Do not touch moving or electric pars with fingers or tools while testing repair. Flammable materials spilled on hot, bare, motor � Unplug sprayer when power is not required for test- could cause fire or explosion. To reduce risk of burns, ing. fire or explosion, do not operate sprayer with cover � Install all covers, gaskets, screws and washers removed. before you oper
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Basic Troubleshooting Basic Troubleshooting Check everything in this Basic Troubleshooting table before you bring the sprayer to a Graco/MAGNUM authorized ser- vice center. Problem Cause Solution Power switch is on and sprayer is Pressure is set at zero pressure. Turn pressure control knob clock- plugged in, but motor does not run, wise to increase pressure setting. and pump does not cycle. Electric outlet is not providing power. � Check that lighted plug on sprayer is lit (this indicates ele
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Basic Troubleshooting Problem Cause Solution Pump does not prime. Prime/Spray Valve is in SPRAY posi- Turn Prime/Spray Valve to PRIME tion. position (pointing down). Inlet screen is clogged or suction Clean debris off inlet screen and tube is not immersed. make sure suction tube is immersed in fluid. Pump was not primed with flushing Remove suction tube from paint. fluid. Prime pump with water or solvent-based flushing fluid, see Operation manual 312001. Inlet valve check ball is stuck. R
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Basic Troubleshooting Problem Cause Solution Pump cycles but does not build up Prime/Spray valve in PRIME position Turn Prime/Spray valve to SPRAY pressure. (pointing down). position (pointing forward). Pump is not primed. Prime pump, see Operation manual 312001. Inlet screen is clogged or suction Clean debris off inlet screen and tube is not immersed. make sure suction tube is immersed in fluid. Suction tube is leaking. Check suction tube for cracks and cuts. Make sure suction tube clamp i
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Basic Troubleshooting Problem Cause Solution Pressure is set at maximum but Spray tip is clogged. Unclog spray tip, see Operation cannot achieve a good spray pattern. manual 312001. Reversible spray tip is in UNCLOG Rotate arrow-shaped handle on position. spray tip so it points forward on gun. Spray tip is too large for sprayer. Select smaller spray tip. Spray tip is worn beyond capability of Replace spray tip. sprayer. Extension cord is too long or not Replace extension cord. See heavy enou
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Basic Troubleshooting Problem Cause Solution Fan pattern varies dramatically while Pressure control switch is worn and Take sprayer to Graco/MAGNUM spraying. causing excessive pressure variation. authorized service center. OR Sprayer does not turn on promptly when resuming spraying. Cannot trigger spray gun. Spray gun trigger lock is locked. Rotate trigger safety lever to unlock trigger lock, page 9. Paint is coming out of pressure Pressure control switch is worn. Take sprayer to Graco/MAGNUM
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Advanced Troubleshooting Advanced Troubleshooting See Basic Troubleshooting first, page 11 for problems that are more easily remedied. General Problem: Motor Does Not Operate Specific Problem Cause Solution Power switch is on and sprayer See Basic Troubleshooting, is plugged in; pump does not page 11. cycle. Basic mechanical problems. Paint is frozen or hardened in Unplug sprayer from electrical outlet. pump. If paint is frozen in sprayer: Do NOT try to start sprayer until completely thawed o
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Advanced Troubleshooting Specific Problem Cause Solution Basic electrical problems. Motor overheated. Allow motor to cool for 45 minutes. Retry. Electrical outlet is damaged. Reset building circuit breaker or replace fuse. Try another outlet. Check electric supply with volt meter. Meter must read 85 to 130V AC. If voltage is too high, do not plug sprayer in until outlet is corrected. Control board leads are Replace any loose terminals. Make sure all leads improperly fastened, and harnesses a
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Advanced Troubleshooting Specific Problem Cause Solution Sprayer Wiring Problems Sprayer power cord damaged. Unplug sprayer power cord. Disconnect black power cord wire at power switch. NOTE: Remove enclosure mounting screws and pull Unplug in-line connection white cord wire. enclosure away from drive Plug in power cord. housing. Take care not to pull on leads from electrical cord Test voltage between black and white wires of and power switch. power cord. Meter must read 85 to 130V AC. R
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Advanced Troubleshooting General Problem: Circuit Breaker is Tripping Specific Problem Cause Solution Building circuit breaker opens Sprayer electrical wiring is Repair or replace any damaged wiring or as soon as sprayer is turned pinched or insulation is terminals. Securely reconnect wires. on. damaged. Wires between pressure control switch and control board are pinched. NOTE: Remove enclosure Motor armature is shorting. Check for shorts. See Motor Diagnostics, page mounting screws and pul
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Advanced Troubleshooting General Problem: Erratic Motor Operation Specific Problem Cause Solution Sprayer quits after running for Building circuit is overloaded. Remove other loads from building circuit or find 5 to 10 minutes another circuit that has less load. See Grounding and Electric Requirements, page 6. Electrical outlet supplying Try another outlet. Check electric supply with volt wrong voltage. meter. Meter must read 85 to 130V AC. If voltage is too high, do not use outlet until co
