Hitachi 4043 Setup, Check for Shipping Damage, Set Up, Connect to Water Supply

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Setup

Check for Shipping Damage

Check the unit for any damage that may have occurred in shipping. Notify the carrier immediately if there is any damage.

Set Up

Charge the battery. Be sure the battery connections are correct and secure. Connect the fuel line to the engine using the quick coupler provided. Squeeze the priming bulb 3 to 5 times. If you are using a down- stream chemical injector, install it between the pump unloader and the high pressure hose, using the quick couplers provided.

Connect the high pressure hose between the pump outlet and the gun inlet. Both of these connections are made with quick couplers.

CAUTION

Up to 100 ft (30 m) of high pressure hose may

be used. Longer hoses may affect sprayer perform- ance, and chemical injector performance, if used.

Install the appropriate spray tip on the wand. See Installing and Changing Spray Tips. If you are using a sandblaster kit, see its separate manual for installation instructions.

Connect to Water Supply

CAUTION

Before attaching to the water supply, check your local plumbing code regarding cross–connection to the water supply. Use a backflow preventer if required by local code.

Do not exceed 160_F (70_C) inlet water tempera- ture.

Connect a hose with at least a 3/4 inch (19 mm) ID from the water supply to the unit’s 3/4 inch garden hose inlet. The supply hose should not be more than 50 ft (15 m) long.

NOTE: The water source at the unit must have a minimum flow rate equal to that of the unit (see Technical Data, inside back cover).

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Contents Important Safety Instructions Instructions Parts ListTable of Contents Hazardous Fluids Component Identification and Function Typical Installation Pressure WasherSet Up SetupCheck for Shipping Damage Connect to Water SupplyStartup Pressure Relief ProcedureOperation Trigger Safety Latch Follow the Pressure Relief Procedure Installing and Changing Spray TipsShutdown, Flushing, and Storage MaintenanceProblem Cause Solution TroubleshootingService Equipment Misuse HazardDisassembly Pump ServiceReassembly Servicing the ValvesServicing Crankcase Section ReassemblyServicing the Seals and V-Packings 308532 Sheet Pressure Washer PartsWheel & Tire Assembly GUN & Wand AssemblyFront LEG Assembly BootHydra-Clean 4043 Pressure Washer Sheet 2 308532 Pump Assembly Parts Ring ManifoldShim RetainerDownstream Chemical Injector Kit Pressure Gauge Kit AccessoriesUpstream Chemical Injector Kit Water Sandblasting KitModel Technical DataToll Free Graco WarrantyGraco Phone Number