Hitachi 308640 User Manual

308640Rev. JSupersedes Gincludes Rev. HFirst choice whenquality counts.t05985Part No. 238402 Spray Gun shownINSTRUCTIONS-PARTS LISTINSTRUCTIONSThis ma

10 308640OperationApply the FluidWhen applying the fluid, keep the gun a consistentdistance, about 8 to 12 inches (200 to 300 mm) fromthe sur

308640 11OperationClean the Spray Gun and System DailyWARNINGINJECTION HAZARDTo reduce the risk of an injection injuryor splashing fluid in th

12 308640OperationFlush the Gun DailyWARNINGINJECTION HAZARDTo reduce the risk of a fluid injectioninjury, follow the Pressure Relief Proce-d

308640 13Notes

14 308640TroubleshootingWARNINGINJECTION HAZARDTo reduce the risk of a fluid injectioninjury, follow the Pressure Relief Proce-dure on page 7

308640 15TroubleshootingSpray Pattern TroubleshootingProblem Cause SolutionFluttering or spitting spray Insufficient fluid supplyAir in paint

16 308640ServiceWARNINGINJECTION HAZARDTo reduce the risk of a fluid injectioninjury, follow the Pressure Relief Proce-dure on page 7 before

308640 17ServiceGasket (18) must be replaced if diffuser-seat (15) is removedor replaced to avoid fluid leakageGasket (17) must be replaced if

18 308640Parts123567892524231112131415161730191810a10b295b5a34261Apply high strength sealant to threads.Torque to 23–27 ft-lb (31–37 Nm)Gask

308640 19PartsUse Only Genuine Graco Parts and AccessoriesPart No. 238402, 238852, 238883, and 241070Ref.No. Part No. Description Qty.Ref.No.

2 308640Table of ContentsWarnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 4. . . . . . . .

20 308640Parts1356789252423111314a151730191810a10b295b5a34261Apply high strength sealant to threads.Torque to 23–27 ft-lb (31–37 Nm)Gasket (

308640 21PartsUse Only Genuine Graco Parts and AccessoriesPart No. 238851 and 239001Ref.No. Part No. Description Qty.1 238750 BODY, gun 12 106

22 308640Spray Tip Selection ChartsNOTE: Part No. 238755 Fluid Needle and 224855 Diffuser-seat must be used with GG4 tips larger than 0.025 i

308640 23Spray Tip Selection ChartsStandard Spray Tips, for use with Air Cap 239781Fan Width*Light toOrificeFan Widthat 12”*Light toMedium *He

24 308640Spray Tip Selection ChartsStandard Sealer Tips, for use withAir Cap 239781NOTE: Part No. 238755 Fluid Needle and 224855 Diffuser-sea

308640 25Spray Tip Selection ChartsAA Reverse-A-Clean (AA RAC) Spray TipsFan Width*Light toOrificeFan Widthat 12”*Light toMedium *HeavyOrific

26 308640Technical DataMaximum Working Fluid Pressure 4000 psi. . . . . . . . . (28 MPa, 280 bar)Maximum Working Air Pressure 100 psi. . . .

308640 27AccessoriesUse Only Genuine Graco Parts and AccessoriesGrounding Clamp and Wire 22201112 ga, 25 ft (7.6 m) wireHigh Pressure Ball Val

28 308640Graco Standard WarrantyGraco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material a

308640 3WARNINGINSTRUCTIONSEQUIPMENT MISUSE HAZARDEquipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and

4 308640InstallationKEYA Air Line FilterB Air Line LubricatorC* Bleed-type Air Shutoff ValveD Pump Air RegulatorE* Fluid Drain ValveF Fluid S

308640 5InstallationConnect the Air Line1. Install an air line filter (A) to ensure a clean, dry airsupply to the gun. Dirt and moisture in th

6 308640InstallationGround the SystemWARNINGFIRE AND EXPLOSION HAZARDImproper grounding could cause staticsparking, which could cause a fire

308640 7OperationSafetyWARNINGINJECTION HAZARDRemember, this is not an air spray gun.For your safety be sure to read andfollow the Warnings on

8 308640OperationHow the Air-Assisted Spray Gun OperatesThe air-assisted spray gun combines airless and airspraying concepts. The spray tip s

308640 9OperationAdjust the Spray PatternWARNINGRECOIL HAZARDDue to the very high pressure fluidemitted, a strong recoil action will occurwhen