Graco 3A0592B, Instructions Manual

Page 1: ...aning For outdoor use only IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in this manual SAVE THESE INSTRUCTIONS PROVEN QUALITY LEADING TECHNOLOGY Model Horse Power and Motor Brand Maximum Working Pressure PSI MPa bar 3540GHW 390 cc Honda 3500 24 13 241 3 37 1105 051810 ...

Page 2: ...s 16 Engine 16 THIS SPARK IGNITION SYSTEM COMPLIES WITH CANADIAN ICES 002 CE SYSTÈME D ALLUMAGE PAR ÈTINCELLE EST CONFORME À LA NORME NMB 002 DU CANADA Pump 16 Nozzles 16 Couplers 16 Fuel Water Separator 16 Burner Air Adjustment 16 Leaks 16 Winterizing 17 Troubleshooting 18 Pump Service 3540 GHW Model Pressure Washers 20 Valves 20 Pumping Section 20 Servicing Plungers 20 Servicing V packings 20 No...

Page 3: ...rect discharge stream at persons or pets Only trained operators should use this product When operating this unit basic precautions should always be observed Keep away from the spray Because of the high pressure and velocity of the spray fluids can penetrate the skin causing serious injury Never point the gun at yourself or anyone else Never put your hand fingers or body directly over the spray noz...

Page 4: ... which may cause a risk of fire Do not operate the unit if gasoline is spilled Wipe unit clean and move the unit away from the spill Avoid creating any ignition until the gasoline has evaporated Do not store the unit near an open flame or any equipment such as a stove furnace water heater etc which utilizes a pilot light or devices which can create a spark This pressure washer has a safety relief ...

Page 5: ...s To reduce the risk of injury maintain a safe distance for persons while operating this unit Close super vision is necessary when operating the unit near children Do not leave pressurized unit unattended Shut off the unit and release trapped pressure before leaving Do not move the unit by pulling on the hose ADJUSTMENT PRECAUTIONS Never alter or modify the equipment be sure any accessory items an...

Page 6: ...er Strainer 11 High Pressure Pump 12 Beltguard 13 Heat Exchanger Exhaust 14 Decal Warning Do Not Modify Plumbing 15 Coil Drain Assembly Item Description 16 High Pressure Outlet 17 Decal Data Plate 18 Burner Fuel Tank 19 Decal Warning Caution Operating 20 Air Shutter Adjusting Arm 21 Burner On Off Switch 22 Engine Gasoline Tank 23 Nozzle Holder 24 Wand Holder 25 High Pressure Hose 26 Trigger Safety...

Page 7: ...nce of oil or gas leaks where flammable gas vapors may be present This unit has multiple ignition sources that could cause an explosion or fire Be certain to block the wheels to prevent the unit from moving while operating Do not allow the unit to be exposed to rain snow or freezing temperatures If any part of the unit becomes frozen excessive pressure may build up in the unit which could cause it...

Page 8: ...the nozzle The first two digits indicate the spray fan in degrees i e 0 0 15 15 25 25 40 40 65 detergent low pressure The 0 nozzle RED This is a blasting nozzle It deliv ers a very concentrated stream of water Be cautious when using the straight narrow stream It is not recom mended for use on painted or wood surfaces or items attached with adhesive backings Uses Removing weeds from sidewalk cracks...

Page 9: ... grip on the Dual Lance clockwise as shown in the figure below Once the pressure is low enough the detergent injector on the pressure washer will draw detergent into the system A water detergent mixture exits from both the spray nozzle and detergent nozzle Dual Lance Connection Be certain the trigger gun is locked in the OFF position Connect the dual lance assembly to the trigger gun assembly at t...

Page 10: ...e public drinking water supply This is to ensure there is no feedback of detergents into the water supply Direct connection is permitted if the backflow preventer is installed Check with local authorities for approval Note If the mineral content of the water in your area is extremely high the use of a water softener is recom mended to prevent the possibility of excessive scale buildup inside the h...

Page 11: ...x ceeded 140 F This will allow fresh cool water to enter the system Pre Start Inspection Procedures Before starting the unit perform the following proce dures 1 Check the oil level in the pump and engine 2 Inspect the water inlet strainer Clean or replace if necessary See Water Supply pg 9 3 Check all hose connections to ensure they are securely tightened See Water Supply pg 9 Inspect for system f...

Page 12: ... Direct Feed 1 Turn on the water supply 2 Low pressure water will begin flowing from the water outlet This allows the unit to prime and purge any air from the system The unit is primed when water flow is uninterrupted by air 3 Once the unit is primed turn off the water supply and connect the high pressure discharge hose to the water outlet of the unit Note The trigger gun and dual lance assembly s...

Page 13: ...ice contact Customer Service Inspect high pressure hoses for kinking cuts and leaks If a cut or leak is found DO NOT TOUCH HOSE AT LEAK TURN UNIT OFF IMMEDIATELY Replace hose before starting the unit See Spray Precautions pg 3 4 Be sure that all damaged parts are replaced and that the mechanical problems are corrected prior to operation of the unit If you require service contact Customer Service 4...

Page 14: ...provided the trigger remains squeezed The burner will stop firing when the trigger is released Note While spraying it is normal for the burner to fire intermittently The high limit switch will cause combus tion to cease when the temperature of the discharged water exceeds the maximum temperature setting of the switch Combustion will begin again when the temper ature drops below the minimum setting...

Page 15: ...d squeeze the trigger In a few moments a detergent water mixture will exit the nozzle Start spraying the lower portion of the surface being cleaned and move up using long overlapping strokes Applying from the bottom up helps avoid streaking Allow to soak briefly Do not allow detergent solution to dry on the surface Avoid working on hot surfaces or in direct sunlight to minimize the chances of the ...

Page 16: ... the catch basin Retighten the drain plug when completed Dispose of drainage according to environmental regulations in your area Burner Air Adjustment The air shutter has been factory preset for proper operation between sea level and 2000 feet elevation at standard conditions 60 F ambient water and air tem peratures To assure maximum combustion efficiency at colder temperatures and higher altitude...

Page 17: ... hose securely to the inlet connection Submerge the other end into the antifreeze solution 7 Shut off the detergent injector if applicable 8 Holding the 3 foot hose in an upright position completely fill the hose with water Then plug the hose outlet with your thumb or finger Place the plugged end into the 5 gallon container of water 9 Start the unit Trigger the gun several times until all the air ...

Page 18: ... replace Water is leaking from the Heat Dump Valve Water temperature is too high Do not allow the unit to operate in the bypass mode with trigger gun closed for more than 3 minutes Defective valve Replace Oil appears milky or foamy Water in oil Change pump oil Fill to proper level Oil leaking from unit Do Not Use Contact Customer Service Detergent will not siphon into Low Pressure Detergent mode D...

Page 19: ...trodes No voltage Consult Service Pressure switch override Pressure should be over 250 PSI 18 Bar to allow burner to come on Highlimit switch override Allow unit to cool down before reigniting Improper burner air adjustment Adjust as shown on page 16 Fuel solenoid valve failure Replace Burner runs erratically Water in the fuel oil Drain fuel filter water separator drain fuel tank and replace with ...

Page 20: ... leaks from crankcase If leaking is obvious replace oil seals Otherwise DO NOT remove these seals because they cannot be reused Oil Seal Kits are available for replacing seals 5 Lightly grease the flinger and oil seal if it is being replaced on plunger shaft Then install copper washer backup ring piston and washer 6 Lightly grease the retaining screw and outer end of the plunger and install nut th...

Page 21: ...21 Notes ...

Page 22: ...22 Pressure Washer Parts 262298 Model 3540 GHW ...

Page 23: ...0 Grommet 16E625 1 21 Washer 16E604 1 22 Handle Grip 16E640 1 23 Brake Handle Assembly 16E573 1 24 Washer 16E602 4 25 Screw 100521 3 DESCRIPTION PART QTY 26 Lockwasher 100214 2 27 Locknut 111040 1 28 Bracket Electric Box Assembly See Exploded Drawing N A Sep 1 29 Wire Tie 16E620 4 30 Fuel Hose Assembly 16E555 1 31 Heat Exchanger EMF Assembly See Exploded Drawing N A Sep 1 32 Hood Assembly 16E642 1...

Page 24: ...24 Engine Pump Assembly Parts Item 17 for use with Model 3540 GHW ...

Page 25: ...609 1 12 Bolt 16E593 4 13 Lockwasher 16E606 4 14 Flatwasher 16E603 4 15 Flange Pump Adapter 16E632 1 16 Belt 16E550 1 17 Sheave 16E549 1 18 Set Screw 16E598 2 DESCRIPTION PART QTY 19 Bolt 16E594 4 20 Adaptor Plate 16E631 1 21 Plug 16E583 1 22 Pressure Switch 16E575 1 23 Heat Dump Valve 116461 1 24 Elbow 16E577 1 25 High Pressure Hose 16E557 1 26 Set Screw 16E597 1 27 Bolt 16E595 4 28 Key 16E634 1 ...

Page 26: ...26 Pump Assembly Parts 16E609 for use with Model 3540 GHW ...

Page 27: ...16E609 for use with Model 3540 GHW DESCRIPTION PART QTY KIT REPAIR VALVES 24E976 6 INCLUDES 12 16 11 KIT REPAIR OIL SEALS 24E978 3 INCLUDES 7 KIT REPAIR PISTON 24E977 3 INCLUDES 1 6 KIT REPAIR PACKINGS 24E979 3 INCLUDES 8 10 ...

Page 28: ...28 Unloader Manifold Assembly Parts Item 8 for use with Model 3540 GHW ...

Page 29: ...1 2 Hose Clamp 16E502 1 3 Elbow 16E579 1 4 Unloader Assembly 16E646 1 5 Plug 16E582 1 6 Detergent Injector 24E793 1 7 Manifold Block 16E637 1 8 High Pressure Hose Assembly 16E558 1 9 Detergent Strainer 16E562 1 10 Detergent Hose Six Feet Required 16E553 1 11 High Pressure Hose Assembly 16E557 1 Must Order in One Foot Lengths ...

Page 30: ...30 Heat Exchanger EMF Assembly Parts Item 31 for use with Model 3540 GHW ...

Page 31: ...90 1 18 Filter Fuel Water Seperator 16E564 1 19 Fuel Water Seperator Replacement Bowl 16E565 1 20 Fuel Water Seperator Replacement Filter 16E563 1 DESCRIPTION PART QTY 21 Plate 16E568 1 22 Bracket 16E567 2 23 Pin 16E623 1 24 Tensioner Sheave Shaft Assembly Inc 5 25 26 16E641 1 25 Sheave Assembly N A 1 26 Shaft N A 1 27 Access Panel 16E572 1 28 Bolt 16E600 2 29 Grommet 16E616 1 30 Grommet 16E617 1 ...

Page 32: ...32 Bracket Electrical Box Assembly Parts Item 28 for use with Model 3540 GHW ...

Page 33: ...IPTION PART QTY 1 Switch Rocker 16E614 1 2 Bolt 16E596 2 3 Bolt and Gasket Kit 16E639 1 4 Electric Box Lid Black 16E619 1 5 Terminal Strip 16E613 1 6 Hex Nut 16E607 4 7 Bolt 16E826 2 8 Electric Box Black 16E618 1 9 Electrical Connecter 16E612 1 10 Electric Box Bracket Black 16E569 1 ...

Page 34: ...34 Decal Placement Parts 262298 Model 3540 GHW ...

Page 35: ...1 5p Warning Hot Surface N A 1 6p Warning Risk of Fire N A 1 7 Label Burner On Off N A 1 8p Label Warning Caution N A 1 9 Label G Force Side 16E775 2 10 Label G Force 3540 GHW 16E228 1 11 Label Operation N A 1 12 Label Tip Holder 16E776 1 13 Label Brand Graco 16E773 1 14p Decal Set Safety 16E947 1 Includes 1 3 4 5 6 7 8 11 p Replacement warning decals available at no cost ...

Page 36: ...36 Notes ...

Page 37: ...perature range 40 104 F 4 4 40 C Sound Pressure 93 6 dB A Sound Power 108 7 dB A Gasoline tank capacity 1 72 gal Maximum input pressure 125 psi Maximum operating temperature Unit 250 F 121 C Burner Fuel Type No 1 or No 2 Fuel oil Diesel or Kerosene Burner Fuel Capacity gal liters 5 5 2 1 Fuel Filter Water Separator Spin on 10 micron filter E Z Water Drain Fuel Pressure PSI bar 145 10 Fuel Nozzle 1...

Page 38: ... sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WAR...