Graco 312579K important safety instructions Reassembly

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Reassembly

1.Install air control valve assembly (5) with valve turned fully counterclockwise to outer- most position. Torque to 85-90 in-lb (9.6-10.2 N•m).

2.Install air inlet valve assembly (27) with valve turned fully counterclockwise to outer- most position. Torque to 205-215 in-lb (23.2-24.3 N•m).

3.Lubricate u-cup spreader (15) and u-cup packing (16). Install spreader (15) with tapered end facing rear of gun. Install u-cup packing (16) with open end facing front of gun. Install packing nut (17). Torque to

3 in-lb (0.3 N•m).

Repair

4.Install wave washer (18) with cupped side toward the gun body. Lubricate and apply thread retainer to trigger pin (10). Install trig- ger (10), trigger pin (21), and trigger

nut (22). Torque to 15-20 in-lb (1.7-2.2 N•m).

5.Install air valve assembly (6), spring (28), and nut (7). Torque to 175-185 in-lb (19.8-20.9 N•m).

6.Install needle (9) and spring (26). Lightly lubricate and install fluid control valve (8).

7.Trigger gun while replacing nozzle (11). Torque to 155-165 in-lb (17.5-18.6 N•m).

8.Install air cap assembly (13) and retaining ring (14).

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312579K

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Contents AirPro Gravity Feed Airspray Gun Important Safety InstructionsContents Gravity Feed with 3M PPS Cup ModelsGravity Feed without Cup Gravity Feed with Plastic CupFire and Explosion Hazard Compliant Guns Gun SelectionConventional Guns Hvlp GunsSetup Flush Before Using EquipmentGround the Gun Adjust Spray Pattern Volatile Organic Compounds VOC Regulation Pressure Relief ProcedureOperation Apply FluidGeneral Tasks Daily Gun MaintenanceClean Gun and Cup See Compliant Cleaning MethodsCompliant Cleaning Methods Clean Nozzle and Air CapDaily Gun Maintenance 312579K Wrong TroubleshootingCause Solution RightCause Solution Repair DisassemblyFluid Inlet Fitting Replacement Follow Pressure Relief Procedure,Reassembly Parts Part No. Description Qty Description QtyPart No. Description AccessoriesRepair Kits Gravity Cup Size oz 0.68 liter cup Technical DataAir Consumption Sound DataTechnical Data 312579K Graco Standard Warranty Graco InformationGraco Headquarters Minneapolis