Assessments - 3, GPA: 3.3
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Install the appropriate spray tip on the wand. See Installing and Changing Spray Tips on page 6. If you use a sandblaster kit, see its separate manual for installation instructions. Connect to Water Supply CAUTION Before you connect to the water supply, check your local plumbing code regarding cross connection to the water supply. Backflow Preventer 801133 is available to prevent backflow of contaminated water into the fresh water supply. Install it upstream from the pump. If inlet water pressure is over 60 psi (414 kPa, 4.1 bar) Regulating Water Valve 800258 must be installed at the garden hose connection. Do not exceed 160 F (70 C) inlet water temperature. Connect a hose with at least a 3/4-in. (19 mm) ID from the water supply to the 3/4-in. garden hose inlet. The supply hose should not be more than 50 ft (15 m) long NOTE: The water source must have a minimum flow rate equal to that of the pressure washer. See Technical Data on page 15. Pressure Relief Procedure WARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from spraying accidentally. To reduce the risk of an injury from accidental spray from the gun, splashing fluid, or moving parts, follow the Pressure Relief Procedure when you . Are instructed to relieve the pressure . Stop spraying for more than 10 minutes . Check or service any of the system equipment . Install or clean the spray nozzle 1. Engage the trigger safety latch. 2. Turn off the pressure washer, and remove the ignition cable from the spark plug. 3. Shut off the water supply. 4. Disengage the trigger safety latch, trigger the gun to relieve the pressure, and engage the trigger safety latch. If you suspect that the spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above: Disengage the trigger safety latch, and trigger the gun to relieve pressure. Wrap a rag around the hose end coupling, and VERY SLOWLY loosen the coupling to relieve pressure gradually. Then loosen it completely. Then clear the tip or hose. Operation Startup Always use this startup procedure to ensure that the pressure washer is started safely and properly. . Always engage the gun trigger safety latch when you stop spraying even for a moment. This reduces the risk of fluid injection or splashing in the eyes or on the skin if the gun is bumped or triggered accidentally. . Always observe the CAUTIONS in this section to avoid costly damage to the pressure washer. . If you use the Sandblaster Kit, see the Sandblaster Kit manual for detailed cleaning information. . See manual 308513 for chemical injector operation and service. 1. Check the oil level. NOTE: This pressure washer is equipped with a low-oil sensor that shuts the engine off if the oil level falls below a certain level. If the engine stops unexpectedly, check the oil and the fuel levels. Check the oil level each time you refuel. 2. Check the fuel level. WARNING FIRE HAZARD Do not refuel a hot engine. Refueling a hot...
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