Hitachi 220-856 User Manual

307–830Rev. FSupersedes Rev. EFirst choice whenquality counts.INSTRUCTIONS-PARTS LISTINSTRUCTIONSThis manual contains importantwarnings and informati

10 307-830Application MethodsHold the gun perpendicular to the surface. Keep thegun at an even 12 to 14 in. (300 to 356 mm) from thesurface you are s

307-830 11 TroubleshootingWARNINGPressure Relief ProcedureTo reduce the risk of serious bodily injury alwaysfollow this procedure before checking or r

12 307-830TroubleshootingPROBLEM CAUSE SOLUTIONPaint leaks into wet-cupPacking nut is looseTighten. See page 8.Throat packings are worn or damagedRep

307-830 13 Motor Brush ReplacementNOTE: Replace the brushes when they have worn toless than 10 mm. See Fig. 12. Always replace bothbrushes at the same

 Displacement Pump01746BFig. 142223044922365051ATorque to80 ft–lb (107 N.m)35232767574WARNINGINJECTION HAZARDTo reduce the risk of serious

 Connecting Rod and Bearing HousingWARNINGINJECTION HAZARDTo reduce the risk of serious bodilyinjury, follow the Pressure Relief Proce-dure

 Drive HousingWARNINGINJECTION HAZARDTo reduce the risk of serious bodilyinjury, follow the Pressure Relief Proce-dure Warning on page 11 be

307-830 17 MotorWARNINGINJECTION HAZARDTo reduce the risk of serious bodilyinjury, follow the Pressure Relief Proce-dure Warning on page 11 before che

 Motor01754CFig. 18121410914c14b5616b14a543053163410380213510327DCConduit Seal Detail10318Partial WiringDiagram1370254331342Conduit

 Pressure ControlWARNINGINJECTION HAZARDTo reduce the risk of serious bodilyinjury, follow the Pressure Relief Proce-dure Warning on page 11

 Table of ContentsWarnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setup 5. . . . . . . . . . . . . . .

 Pressure ControlREDWHITE1011021868Fig. 20All wires to the over-pressureswitch (C) and the pressureswitc

307-830 21 Pressure Control AdjustmentWARNINGUSE EXTREME CAUTION WHEN PERFORMINGTHIS ADJUSTMENT PROCEDURE to reduce therisk of a fluid injection injur

 Pressure Control AdjustmentFig. 22ABDTIGHTENC075068E+NOTE:Refer to Fig. 22 for the remainder of this procedure.2.Remove the plug (68).3.Ope

 Parts – Pressure ControlPart No. 220–858Pressure Control AssemblyIncludes replaceable items listed belowREDWHITE

 Parts – Upright SprayerDetail A12,41351g1e1f1dDetail B506432767574323049514c14b14a16b56333433545316a162553541b1a4845621c8685871375152149101

 Parts – Upright SprayerModel 220–856, Series DIncludes items 1 to 81Model 231–590, Series AIncludes items 1 to 87Ref No. Part No. Descripti

 Notes

 Technical DataElectric Motor3/4 HP, DC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electric Cord14 AWG, 3 wire. . . . . .

 Graco WarrantyGraco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defect

 WARNINGINJECTION HAZARDSpray from the gun, leaks or ruptured components can inject fluid into your body and cause extremelyserious injury, i

4 307-830WARNINGINSTRUCTIONSEQUIPMENT MISUSE HAZARDEquipment misuse can cause the equipment to rupture or malfunction and result in serious injury.T

307-830 5 SetupWARNINGTo reduce the risk of serious bodily injury causedby static sparking, fluid injection or over–pressuri-zation and rupture of the

6 307-830 SetupFig. 115b858786114221Keep 1/3 full with TSL at all timesNever install any shutoff device here01744C

 StartupUse this procedure to help you start and operate thesprayer properly and safely.WARNINGINJECTION HAZARDTo reduce the risk of serious

 MaintenanceWARNINGINJECTION HAZARDTo reduce the risk of serious bodilyinjury, follow the Pressure Relief Proce-dure Warning on page 11 befor

307-830 9 FlushingNOTE:Several flushes may be required to clean the system and prepare it for the next fluid or storage. Use thischart to determine th