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Operation, Parts 3A6746B ™ Air Spray Trigger Gun For portable spraying of water-based materials. Can be used for application of solvent-based materials only when solvent compatible seals are installed and solvent compatible, conductive hoses are used. For professional use only. Not approved for use in European explosive atmosphere locations.
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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. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
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Warnings EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
Pressure Relief Procedure Pressure Relief Procedure 3. If you suspect the spray tip or hose is clogged or Follow the Pressure Relief Procedure whenever that pressure has not been fully relieved: you see this symbol. a. If installed, turn prime valve down to prime position.
Pressure Relief Procedure Flush the Equipment (Solvent-Based Materials) To avoid fire and explosion, always ground equipment and waste container. To avoid static sparking and injury from splashing, always flush at the lowest possible pressure. • Flush before changing materials, before fluid can dry or cure in the equipment, at the end of the day, before storing, and before repairing equipment.
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Setup Setup Connect Gun to Sprayer Install Nozzle 1. Attach material hose to sprayer fluid outlet. Attach 1. If equipment has recently been operated, Pressure air hose to air compressor. Relief Procedure, page 4. 2. Connect signal wire, then air hose and material 2.
Operation Operation Adjust Spray Pattern 4. Attach spray disk, adapter, and hand-tighten rings. Hold gun 18 to 30 in. (0.5 to 0.8 m) from a test surface and turn on air needle valve to allow air to atomize fluid. Test spray pattern. 5.
Operation Fluid Nozzle and Spray Disc Selection Six spray disks and five nozzles are supplied with the sprayer. These parts can be interchanged to produce a pattern suitable for each job. Use the chart below to help determine the right combination for your application. Application WideTex™...
Maintenance Maintenance 1. Perform Pressure Relief Procedure, page 4. 2. Remove disk and nozzle assembly. 3. Remove trigger (25). 4. Unscrew air control valve (12) and clean. 5. Use a 3/8 in. hex key wrench to unscrew head bolt (11). 6.
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Parts 17Y910 Parts 17Y910 Ref. Part Description Qty. Ref. Part Description Qty. 160232 GUIDE, spring and valve 17Y924 NUT, retaining 156082 O-RING SPRAY TIP DISKS 150925 GASKET, copper 24S114 TIP, disk, spray, W4, hardened 203953 LOCKSCREW, trigger 24S115 TIP, disk, spray, W6, hardened 17Y911 BODY, gun 24S116...
Technical Data Technical Data ....STX Trigger Gun Metric Maximum Air Working Pressure 125 psi 0.9 MPa, 9 bar Air Requirements 30 scfm 0.84 m /min Fluid Inlet Size...
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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