Hitachi 4043 Installing and Changing Spray Tips, Follow the Pressure Relief Procedure

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Operation

Installing and Changing Spray Tips

WARNING

To reduce risk of serious bodily injury, including fluid injection or splashing in eyes or onto skin, use extreme caution when changing spray tips. always follow procedure below.

1.Follow the Pressure Relief Procedure.

2.Point the gun and wand away from yourself and anyone else.

3.Without holding your hand over the spray tip (A), pull back the quick coupler ring (B). Remove the old tip and/or install a new one, and then release the ring. See Figure 3.

4.Be sure the tip is secure before starting to spray again.

5.Tip holding holes are provided on the chassis.

CAUTION
To avoid blowing o-ring out of quick coupler, due to
high pressure in system, never operate pressure
washer without tip securely mounted in quick
coupler.	04929

Figure 3

8308532

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Contents Instructions Parts List Important Safety InstructionsTable of Contents Hazardous Fluids Typical Installation Pressure Washer Component Identification and FunctionSetup Set UpCheck for Shipping Damage Connect to Water SupplyStartup Pressure Relief ProcedureOperation Trigger Safety Latch Installing and Changing Spray Tips Follow the Pressure Relief ProcedureMaintenance Shutdown, Flushing, and StorageTroubleshooting Problem Cause SolutionService Equipment Misuse HazardPump Service DisassemblyReassembly Servicing the ValvesServicing Crankcase Section ReassemblyServicing the Seals and V-Packings 308532 Pressure Washer Parts SheetGUN & Wand Assembly Wheel & Tire AssemblyFront LEG Assembly BootHydra-Clean 4043 Pressure Washer Sheet 2 308532 Pump Assembly Parts Manifold RingShim RetainerAccessories Downstream Chemical Injector Kit Pressure Gauge KitUpstream Chemical Injector Kit Water Sandblasting KitTechnical Data ModelToll Free Graco WarrantyGraco Phone Number