Hitachi 232133 manual Open or drain position

Page 13

Flushing

WARNING

FIRE AND EXPLOSION HAZARD

To reduce static sparking and splashing, always remove the spray tip from the gun, and hold a metal part of the gun

firmly to the side of a grounded metal pail when flushing.

7.Lower pressure setting. Turn on sprayer. Maintain- ing metal-to-metal contact, trigger gun into flushing pail. Slowly increase sprayer pressure just until pump starts. Keep gun triggered until solvent flows freely from gun. Circulate solvent to thoroughly clean sprayer. Release gun trigger. Engage gun safety latch.

8.Open drain valve and circulate solvent through drain hose to thoroughly clean it. Close drain valve.

9.Remove suction hose from pail. Disengage gun safety latch. Trigger gun and run pump a few seconds to push air into hose. Do not run pump dry for more than 30 seconds to avoid damaging pump packings! Relieve pressure.

10.Reinstall clean filter screen.

11.Remove and clean inlet strainer. Wipe paint off suction hose and drain hose.

12.Leave drain valve open until you use sprayer again.

1 Open or drain position

1

Fig. 11	7731A

308801 13

Image 13

Contents Models 232133 and 232131, Series a 308801Model 232132 and 232130, Series a Read and Keep for ReferenceSymbols Table of ContentsInjection Hazard Fire Skin Injection Explosion Hazard Fire and Explosion HazardDC a Component Function and IdentificationModel 232133 Shown SetupHow to use the pressure control How to use the gun safety latchHow to use the pressure drain valve GroundingHow to use the RAC IV tip guard Pressure Relief ProcedureHow to remove a tip clog Injection HazardStartup Fire and Explosion Hazard Adjust spray patternShutdown and Care How to flush When to flushFlushing Relieve pressureOpen or drain position Basic Problem Solving TroubleshootingElectrical Intermediate Problem Solving Replace pin if missing. Be sure retainer Unit will not run on generator but does run on AC power Tool List General Repair InformationMoving Parts Hazard Fire HazardMotor Test SetupArmature Short Circuit Test Test brushes Motor BrushesElectric Shock Hazard Repairing pump Displacement PumpRemoving pump See Motor Remove three drive housing screwsMotor Control Board Motor control board diagnosticsMotor control board removal LED Sprayer Operation Indicates What to do BlinksOn/Off Switch Power Supply CordDrive Housing, Connecting Rod, Crankshaft Not shown Pressure Transducer InstallationPressure Transducer Seal RemovalSuction Hose Models 232132 Drain Valve ReplacementRepair Dimensions Technical DataAccessories Model 232132 and 232133, Series a Complete Sprayer Parts240519 CONNECTING, rod assy 51H 235014 ASSEMBLY, drain valve239769 KIT, pump, displacement See manualModel 232130 and 232131, Series a CRANKSHAFT, U-695 239979Manual 236352 POTENTIOMETER, pressure adjAdditional Warranty Coverage Graco Standard WarrantyPhone Number Toll Free