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IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in this manual. SAVE THESE INSTRUCTIONS. Model Horse Power and Maximum Working Motor Brand Pressure 2525 160cc Honda 2500 17.24 172.4 2730 200cc Honda 2700 18.62 186.2 3030 270cc Honda 3000 20.68 206.8...
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-spe- cific risks. When these symbols appear in the body of this manual, refer back to these Warnings. Product- specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
WARNING • Do not direct spray on or into electrical installations of any kind! This includes electrical outlets, light bulbs, fuse boxes, transformers, etc. Severe electrical shock may occur. • Even after you shut off the unit, there is high pressure water left in the pump, hose and gun until you release it by triggering the gun.
WARNING MISCELLANEOUS SAFETY PRECAUTIONS Never allow children or adolescents to operate this unit. Read and follow all handling, operations, maintenance and safety instructions listed in this manual and the engine operator’s manual that accompanies this unit, and provide such information to anyone who will be operating this unit.
INSTALLATION & PREPARATION INSTRUCTIONS Do not allow the unit to be exposed to rain, snow or Attire freezing temperatures. If any part of the unit becomes frozen, excessive pressure may build up in the unit which could cause it to burst resulting in possible seri- ous injury to the operator or bystanders.
Fill the fuel tank according to accompanying engine dows, washing vehicles, spraying sidewalks, driveways manual instructions. and patios. (not available for Model 2525) Occasional carburetor and choke adjustments will be The 65° nozzle (BLACK): This is a low pressure de- necessary for the engine.
5 gallon container.) NOTICE Incoming water temperature must not exceed 125°F for Model 2525, and 145°F for other models. Exces- sive pump damage may result if the water tempera- Water Supply ture exceeds this acceptable level.
NOTICE unit. If you require service, contact Graco Customer Do not overtighten the unloader. Breakage could Service. result in immediate loss of water pressure and...
OPERATING INSTRUCTIONS NOTICE Be certain the nozzle is not connected to the unit Priming the Pump while priming the pump. Priming allows mineral de- It is essential to prime the pump on initial start-up and posits to be released from the system which would obstruct or damage the nozzle assembly resulting in each time the water supply is disconnected from the unit after initial use.
If you require Locate the Safety Decals on your unit and heed their service, contact Graco Customer Service. warnings. 6. Trigger the gun several times. Be certain to lock the Never look directly into the nozzle.
OPERATING INSTRUCTIONS 3. To apply solution; unlock the trigger gun and squeeze the trigger. In a few moments a detergent/water mixture will exit the low pressure nozzle. Start spraying the Cleaning with Detergents lower portion of the surface being cleaned and move up, using long overlapping strokes.
STORAGE & MAINTENANCE Nozzles INSTRUCTIONS Water flow through the spray nozzle will erode the ori- fice, making it larger, resulting in a pressure loss. Noz- zles should be replaced whenever pressure is less than Engine 85% of the maximum. The frequency of replacement The engine instructions that accompany your unit detail will depend upon such variables as mineral content in specific procedures for maintenance of the engine.
2. Relieve system pressure by pointing the trigger gun in • Two 5 gallon containers. a safe direction and squeezing the trigger until water • One gallon of antifreeze. (Graco® recommends an flow ceases to exit the nozzle. environmentally safe antifreeze.) 3.
Troubleshooting Problem Cause Solution Engine will not start. Various engine problems. Refer to the engine manual accom- panying your unit. Unit components are frozen. Allow to thaw. If any part of the unit becomes frozen; excessive pres- sure may build up in the unit which could cause the unit to burst result- ing in possible serious injury to the operator or bystanders.
PUMP SERVICE: 2525 MODEL Servicing V-Packings PRESSURE WASHERS 1. Remove manifold as described in Valve Replacement Section. 2. Remove white retaining ring, this may be stuck on the Repair kits are available. See the Parts List, page 24. piston. For the best results, use all parts in kits.
PUMP SERVICE: 2730 MODEL 5. Lightly grease the flinger (and oil seal if it is being replaced) on plunger shaft. Then install plunger. PRESSURE WASHERS 6. Lightly grease the retaining screw and outer end of the plunger. Place washer, o-ring and backup ring around Repair kits are available.
PUMP SERVICE: 3030 AND 3540 6. Lightly grease the retaining screw and outer end of the plunger. Place washer, o-ring and backup ring around MODEL PRESSURE WASHERS screw and install nut through plunger. Torque to 11.0 ft-lb (15 Nm). Repair kits are available. See the Parts List, page 32, Note: If replacing packings, see Servicing V-Packings.
Pump Assembly - Parts 24E735 (for use with Model 2525DD)
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Pump Assembly - Parts 24E735 (for use with Model 2525DD) DESCRIPTION PART # QTY KIT, REPAIR, VALVES 24E736 INCLUDES 1 KIT, REPAIR, PLUNGER 24E737 INCLUDES 2 KIT, REPAIR, OIL SEAL 24E738 INCLUDES 3 KIT, REPAIR, UNLOADER 24E739 INCLUDES 4 KIT, REPAIR, PACKINGS 24E740 INCLUDES 5, 6, 7, 8 KIT, REPAIR, CHEMICAL INJECTOR...
Pump Assembly - Parts 244749 (for use with Model 2730DD)
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Pump Assembly - Parts 244749 (for use with Model 2730DD) DESCRIPTION PART # KIT, REPAIR, VALVES 804402 INCLUDES 24 KIT, REPAIR, OIL SEAL 804033 INCLUDES 36 KIT, REPAIR, PLUNGER 804011 INCLUDES 37 KIT, REPAIR, PACKINGS 804037 INCLUDES 32, 33, 34, 35 KIT, REPAIR, CHEMICAL INJECTOR 24E748 INCLUDES 25-31...
Pump Assembly - Parts 24E753 (for use with Model 3030DD) 24E750 (for use with Model 3540DD)
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Pump Assembly - Parts 24E753 (for use with Model 3030DD) 24E750 (for use with Model 3540DD) DESCRIPTION PART # KIT, REPAIR, VALVES 804402 INCLUDES 10 KIT, REPAIR, OIL SEAL 24E744 INCLUDES 18 KIT, PLUNGER 24E745 INCLUDES 22 KIT, REPAIR, PACKINGS 24E746 INCLUDES 11-17 KIT, REPAIR, PLUNGER...
Technical Data Model 2525 Model 2730 Model 3030 Model 3540 Working Pressure Range 2250-2300 psi 2600-2700 psi 2800-2900 psi 3400-3500 psi Operating Pressure 2275 psi 2650 PSI 2850 PSI 3450 psi Maximum Working Pressure 2500 psi 2700 psi 3000 psi...
Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written...