Assessments - 3, GPA: 4 ( )

Fabricante : Graco Inc. Arquivo Tamanho: 536.58 kb Arquivo Nome : 08b6e4ff-f7aa-4c38-aa2b-9326ee5cb265.pdf Língua de Ensino:

Do not exceed 160.. F (70.. C) inlet water temperature. 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). STARTUP STARTUP Use this procedure whenever starting the pressure washer to help insure that the unit is ready to operate and starting is done safely. 1. Check oil levels. Engine: Add SAE 30 or 10W–30 weight detergent oil as necessary. Pump: Add SAE 20 or 30 weight non–detergent oil as necessary. NOTE: Some units are equipped with a low–oil sensor that shuts the engine of f if the oil level falls below a certain level. If the unit stops unexpectedly, check both the oil and the fuel levels. Check the oil level each time the unit is refueled. 2. Check fuel level. WARNING DO NOT refuel a hot engine. Refueling a hot engine could cause a fire. Use only fresh, clean regular or unleaded gasoline. Close the fuel shutoff valve during refueling. 3. Turn on the water supply. CAUTION Never run the unit dry . Costly damage to the pump will result. Always be sure the water supply is completely turned on before operating. 4. Trigger the gun until water sprays from the tip indicating that the air is purged from the system. 5. Open the fuel shutof f valve and be sure the spark plug ignition cable is pushed firmly onto the spark plug. On those units equipped with an ignition shutoff switch, the switch should be in the “on” position. Throttle should be in the “run” position. 6. Start the engine. NOTE: For easier starting, have one person start the pressure washer while another person triggers the spray gun. If the engine is cold, completely close the engine choke. Grasp the starter rope, brace one foot on the pressure washer chassis and pull rope rapidly and firmly. Continue holding the rope as it returns. Pull and return the rope until the engine starts. In cool weather, the choke may have to be kept closed for 10 to 30 seconds before opening it to keep the engine running. Otherwise, open the choke as soon as the engine starts. If the engine is warm, leave the choke open, or just partly close it. Start the engine as described in the preceding paragraph. When it starts, be sure to open the choke completely. CAUTION On recoil start engines, never let the starter rope return by itself. It could jam the recoil system. 7. ALWAYSengage the gun’ s trigger safety latch whenever you stop spraying, even for a moment, to reduce the risk of fluid injection or splashing in the eyes or on the skin if the gun is bumped or triggered accidentally. 8. ALWAYSobserve the following CAUTIONS to avoid costly damage to the pressure washer. CAUTION DO NOTallow the pressure washer to idle for more than 10 minutes. Doing so may cause the recirculating water to overheat and seriously damage the pump. T urn of f the pressure washer if it will not be spraying or cleaning at least every 10 minutes. If heated inlet water is used, reduce this time further. DO NOT run the pump dry , which will quickly damage the pump. Be sure the water supply is fully turned on before starting the pump. DONOToperate the pressure washer with the inlet water screen removed. This screen helps keep abrasive sediment out of the pump, which could clog or scratch the pump. Keep this screen clean. DO NOT pump caustic materials; such materials may corrode the pump components. 9. See the chemical injector or sandblaster kit manual for detailed cleaning information if these accessories are used. . . Trigger Safety Latch WARNING To reduce the risk of serious bodily injury latch whenever spraying stops, even for a moment. In the engaged position, the trigger safety latch prevents the gun from being triggered accidentally by hand or if it is dropped or bumped. Be sure the latch is pushed fully down when engaging it or it cannot prevent the gun from being triggered. See Figure 2. TRIGGER SAFETY LATCH TRIGGER SAFETY LATCH SHOWN ENGAGED Installing and Changing Spray Tips WARNING To reduce the risk of serious bodily injury , including fluid injection or splashing in the eyes or onto the skin, use extreme caution when changing spray tips. ALWAYSfollow the 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. , including fluid injection, splashing in the eyes or on the skin, ALWAYSengage the trigger safety A Figure2 CAUTION To avoid blowing the o–ring out of the quick coupler, due to the high pressure in the system, never operate the pressure washer without a tip securely mounted in the quick...

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