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operation

 

manual

HW2765HAD

DIESEL HOT WATER

PRESSURE WASHER

Summary of Contents for HW2765HAD

Page 1: ...operation manual HW2765HAD DIESEL HOT WATER PRESSURE WASHER ...

Page 2: ...ozzle Review 16 Nozzle Connection 16 Water Supply 17 Unloader 17 Thermal Relief Valve 18 Pre Start Inspection Procedures Operation 19 Priming The Pump 19 Start Up Cold Water Operation 21 Hot Water Operation 21 Cleaning with Detergents 22 Shutdown Maintenance 23 Specific Maintenance 24 Winterizing 26 Maintenance Chart Troubleshooting 27 Troubleshooting Chart ...

Page 3: ...ly 36 Pump Plumbing 38 Pump Assembly 41 Unloader Assembly 43 Pressure Switch 44 Heat Exchanger EMF System 46 Boiler Assembly 48 Gun Wand Hose Assembly 49 Fuel Tank 50 Electric Box Assembly 51 Fuel Pump 51 Fuel Solenoid 52 EMF System 54 Wire Schematic 54 Wire Diagram 55 Statement of Warranty 56 Warranty Exclusions ...

Page 4: ... owner s manual thoroughly will help avoid any personal injury or damage to your pump By knowing how best to operate this machine you will be better positioned to show others who may also operate the unit You can refer back to the manual at any time to help troubleshoot any specific operating functions so store it with the machine at all times Attention Read through the complete manual prior to th...

Page 5: ...ice line 1 866 770 1711 for information on servicing always provide the product model and identification numbers You will need to locate the model and serial number for the pump and record the information in the places provided below Date of Purchase Dealer Name Dealer Phone Product Identification Numbers Model Number Serial Number ...

Page 6: ...hazard which if not avoided might result in minor or moderate injury NOTICE indicates a situation that could result in equipment damage Follow safety messages to avoid or reduce the risk of injury or death Hazard Symbols and Meanings Save these Instructions Safety Rules This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow...

Page 7: ...ossibility of spilled fuel which may cause a risk of fire Do not refuel indoors or in a poorly ventilated area Engine Fuel Tank Refuel with gasoline only Do not use diesel or fuel oil Burner Fuel Tank Black When refueling the Burner Fuel Tank use No 1 or No 2 fuel oil diesel or kerosene Do not use gasoline Do not operate the unit if diesel fuel is spilled Wipe the pressure washer clean and move it...

Page 8: ...ngers or body directly over the spray nozzle Do not direct discharge stream at persons or self This product is to be used only by trained operators Always keep operating area clear of all persons Close supervision is necessary when used near children DO NOT allow children to operate this unit SEEK EMERGENCY MEDICAL CARE if the spray appears to have penetrated the skin DO NOT TREAT AS A SIMPLE CUT ...

Page 9: ...rom a pressure washer malfunction or exploding accessories if incorrect system components attachments or accessories are used Serious injury or death may occur if attempting to start the pressure washer when the pumping system is frozen Never make adjustments to the factory set pressures Never exceed manufacturers maximum allowable pressure rating of attachments Do not allow any hoses to make cont...

Page 10: ...ay appears to have penetrated the skin DO NOT TREAT AS A SIMPLE CUT Be prepared to tell a physician exactly what kind of detergents you were using by reading the Material Safety Data Sheet MSDS provided with your detergent Never use any solvents or highly corrosive detergents or acid type cleaners with this pressure washer Protective equipment such as rubber suits gloves and respirators are advisa...

Page 11: ...pped pressure before leaving DO NOT operate the unit if you see any fuel oil or water leaks from the machine DO NOT resume operation until the unit has been in spected and repaired by a qualified service person NEVER run the engine with the governor disconnected or operate at excessive speeds Place unit in a clean dry flat area for servicing Before servicing the unit turn the unit off relieve the ...

Page 12: ...gh Pressure Pump w Unloader 5 Flat Free Wheels 6 Burner On Off Switch 7 Air Shutter Adjusting Arm 8 Brake 9 High Pressure Hose 10 Trigger Safety Lock 11 Trigger Gun 12 Insulated Lance 13 Lance 14 Adjustable Nozzle 15 Wand Holder 8 8 Operator s Manual FEATURES Features ...

Page 13: ...at could cause an explosion or fire 3 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 to burst resulting in possible serious injury to the operator or bystanders 4 Be certain to block the wheels to prevent the unit from moving while operating 5 Pump oil level should be ...

Page 14: ... pg 4 before fueling 2 Locate the Safety Decals on your unit and heed their warnings 3 Gasoline Engines A minimum of 85 octane fuel is recommended for use with this unit DO NOT MIX OIL WITH GASOLINE Burner Fuel Use No 1 or No 2 fuel oil diesel or kerosene 4 Purchase gasoline fuel in quantities that may be used within 30 days Use of clean fresh lead free gasoline is recommended Leaded gasoline may ...

Page 15: ... nozzle from the wand causing severe in To determine spray fan refer to the actual number stam first two digits indicate the spray fan in degrees i e 0 1 The0 nozzle RED Thisisablastingnozzle Itdeli stream of water Be cautious when using the strai not recommended for use on painted or wood surf with adhesive backings Uses Removing weeds stubborn stains from concrete masonry aluminum from equipment...

Page 16: ...endedformoderatewas aluminum siding cleaning windows washing vehicles driveways and patios NOZZLE CONNECTION 1 Be certain the trigger gun is locked in the OFF position 2 The nozzle assembly should be disconnected from the at this by retracting the locking ring on the quick conn the nozzle QUICK CONNECT FITTING WARNING RISK OF SEVERE INJURY THE TRIGGER GUN SHOULD ALWAYSBELOCKEDINTHEOFF POSITION WHE...

Page 17: ...es not exceed acceptable levels never he pressure washer to operate in the bypass mode with the unit g and the trigger closed for more than three minutes mal relief valve has been added to this unit to protect the pump This will open and release water if the water temperature in the pump has ded 140 F This will allow fresh cool water to enter the system ore preventing premature failure of pump pac...

Page 18: ...eak is found DO NOT START UNIT See Risk of Explosion or Fire pg 7 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 5 Inspect high pressure hoses for kinking cuts and leaks If a cut or leak is found DO NOT USE HOSE Replace hose before starting unit See Risk of Injection pg 8 Be s...

Page 19: ...t This al lows 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 system is flushed turn off the water supply and connect the high pressure discharge hose gun to the water outlet of the unit 4 Turn on the water supply CAUTION BE CERTAIN THE HOSE GUN LANCE ASSY ARE NOT CONNECTED TO THE UNIT WHILE PRIMING THE PUMP PRIMING ALLOWS ...

Page 20: ... unit If you require service contact Customer Service b 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 Risk of Injection or Severe Cutting Injury pg 8 Be sure that all damaged parts are replaced and that the mechanical problems are corrected prior to operation of the unit...

Page 21: ...ng the trigger gun lance assembly to avoid the possibility of burns NOTICE While spraying it is normal for the burner to fire intermittently The high limit switch will cause combustion to cease when the temperature of the discharged water exceeds the temperature setting of the switch Combustion will begin again when the water temperature drops below the minimum setting cleaning with detergents und...

Page 22: ...e 6 To rinse lock the trigger gun in the OFF position securely quick connect the desired high pressure nozzle into the end of the wand Unlock the trigger gun and spray It will take about 30 seconds to purge all detergent from the line For best rinsing results start at the top and work down 7 Siphon a gallon of water through the low pressure detergent injection system after each use This prevents t...

Page 23: ...end upon such variables as mineral content in the water and number of hours the nozzle is used 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 temperatures To assure maximum combustion efficiency at colder temperatures and higher altitudes it will be necessary to adjust th...

Page 24: ...cedure outlined below 1 Gather the following items a Two 5 gallon containers b One gallon of antifreeze Use an environmentally safe antifreeze c Water supply d Three foot hose 1 2 3 4 I D with a 3 4 inch male garden hose fit ting 2 Procedure a To start winterizing unit must be run according to the Start up Cold Water Operation b After running shut off the unit and water supply c Relieve system pre...

Page 25: ...ack into the 5 gallon container storage maintenance o Disconnect the hose and trigger gun from the unit and drain any excess antifreeze back into the 5 gallon container p Drain hose trigger gun and lance assembly and store with the unit in a safe non freezing area q Store antifreeze solution for next use or dispose of according to state EPA laws 3 OPTIONAL PROCEDURE a Shut the unit and water suppl...

Page 26: ...just ment X X X X Check burner electrodes X Test water pressure X X X X Test fuel pressure X X X X Test water temperature X X X X Descale coil X Must be performed by an authorized service technician The pump oil must be changed after the first 50 hours of operation and every 250 hours or 3 months whichever comes first High pressure nozzle should be replaced whenever pressure is less than 85 Scale ...

Page 27: ...lace kinked high pressure hose Water inlet screen obstructed Remove screen clean or replace Pump sucking air Prime eliminated Tighten all water intake connections Eliminate leaks in intake line Collar on adjustable nozzle is not in the high pressure mode Turn Collar clockwise to move to high pressure Obstructed or worn spray nozzle Remove clean or replace Damaged or obstructed valve assy on pump R...

Page 28: ...sing or corroded Remove clean or replace Water flows from the nozzle when the trigger gun is locked in the OFF position Trigger gun is malfunctioning Repair or replace Water is leaking under heat exchanger coil Safety Relief device is relieving caused by an unloader or pressure switch malfunction 1 Detect and correct unloader or pressure switch problem 2 Replace safety relief device NEVER run unit...

Page 29: ...uel Dirty fuel filter water separator Replace element Dirty fuel nozzle Replace Fuel pickup screen obstructed Consult Customer Service Improper air adjustment setting Adjust as explained on page 26 Fuel pump malfunctioning Replace Burner runs but will not heat Poor or improper fuel supply Check fuel to ensure it is correct Drain tank and replace filter if necessary and refill with proper fuel Low ...

Page 30: ... Octane Minimum Fuel Capacity Qt liter 95 3 6 Starting Recoil Rope Max No Load RPM 3600 100 High Pressure Pump Direct Driven Oil Bath Triplex Piston Oil Type SAE30W Non Detergent Oil Capacity oz lter 14 0 0 41 Plungers Ceramic Manifold Forged Brass Valves Stainless Steel Unloader Preset Thermal Relieve Valve Protects Pump Valves and Seals from overheating Burner Fuel System Fuel Type No 1 or No 2 ...

Page 31: ...Smoke Density 0 3 per ASTM D2156 Controls On Off Switch Industrial grade rocker switch Pressure Switch Shuts off burner fuel supply upon trigger release High Limit Switch Shuts off burner fuel supply when outlet water temp exceeds 210 F 99 C Fuel Solenoid 12 Volt Safety Relief Relieves excess system pressure Unit Net Weight Lbs Kg 257 117 Unit Shipping Weight Lbs Kg 377 171 Unit Net Dimensions In ...

Page 32: ...32 parts list flow chart emf system 47 4 Copyright 2013 FLOW CHART EMF SYSTEM 4 ht 2013 FLOW CHART EMF SYSTEM ...

Page 33: ...through the HIGH PRESSURE HOSE 14 and to the TRIGGER GUN ASSEMBLY 15 which allows the operator to control the water spray When the trigger gun is open the water flows through the LANCE 16 and exits the NOZZLE 17 FUEL FLOW The Fuel Pump draws fuel from the FUEL TANK 18 through a replaceable FUEL FILTER 4 and into the FUEL PUMP 3 Fuel exits the fuel pump into a FUEL SOLENOID VALVE 8 which con trols ...

Page 34: ...34 FRAME ASSEMBLY parts list 49 8 Copyright 2013 FRAME ASSEMBLY ...

Page 35: ...lamp 33 0400 1 12 Brake Bracket 20 1314A01 1 13 Lockwasher 29 0007 4 14 Bolt 27 0066 4 15 Locknut 30 0155 4 16 Handle N A 1 17 Fuel Tank Assembly N A 1 18 Fuel Hose 15 0147 2 19 Clamp Worm 42 0004 2 20 Filter 19 0110 1 21 Collar 33 0351 4 22 Wheel 14 0130 4 23 Spacer 62 0188 4 24 Axle 20 0060 2 25 Bolt 27 9526 2 26 Hose Clip 33 0517 1 27 Nozzle Holder 20 1339A01 1 28 Grommet 33 0001 5 29 Bolt 27 1...

Page 36: ...36 PUMP PLUMBING parts list 51 10 Copyright 2013 PUMP PLUMBING HSP 2500 PUMP PLUMBING 070513 CH ...

Page 37: ...w 24 0004 1 6 Relief Valve 22 0005 1 7 Elbow 23 0307 1 8 High Pressure Hose 15 0090 1 9 Garden Hose Gasket 26 0001 1 10 Swivel 23 0095 1 11 Elbow 23 0035 1 12 Pump 3 0146 1 13 Bolt 27 0118 4 14 Lockwasher 29 0008 4 15 Adapter Flange 28 0023 4 16 38 0054 1 17 Screw 27 8432 4 18 Key 43 0073 1 19 Sheave 10 0076 1 20 Bolt 27 0418 4 21 Engine EMF Flange 38 0071 1 ...

Page 38: ...38 parts list PUMP aSSEMBLY 53 12 Copyright 2013 3 0146 071213 CH PUMP ASSEMBLY 3 0146 TORQUE SPECS POSITION FT LBS 1 18 6 7 4 10 7 4 24 8 8 31 37 36 7 4 38 11 ...

Page 39: ... 0824 1 15 Spring Retainer 46 0671 1 16 O Ring 25 0398 1 17 Connecting Rod 46 0720 3 18 Piston Pin 46 0721 3 19 Plunger Rod 46 0722 3 20 Slinger Washer 28 1027 3 21 O Ring 25 0371 3 22 Ceramic Piston 46 0723 3 23 Washer 26 0187 3 24 Nut 30 6016 3 25 Oil Dipstick 39 0090 1 26 Crankcase 46 0724 1 27 Ball Bearing 48 0063 1 28 Snap Ring 46 0732 1 29 Snap Ring 46 0676 1 30 Bearing Cap 46 0725 1 31 Valv...

Page 40: ...SEE KIT 3 43 V Packing see kit 70 0181 46 0729 3 44 Packing Retainer 46 0728 3 45 LP Seal see kit 70 0181 46 0727 3 46 LP Retainer 46 0726 3 47 O Ring see kit 70 0181 25 0399 3 48 Oil Seal 26 0193 3 parts list REPLACEMENT KITS KIT DESCRIPTION ITEMS OF ASSEM BLIES OF CYLINDERS 70 0181 Kit High Pressure Seals 43 45 47 3 3 70 0182 Kit Support Rings 42 3 3 70 0161 Kit Valves 33 34 6 3 ...

Page 41: ... Knob Plug 7 0178 1 2 Unloader Knob 7 0179 1 3 Nut 30 6024 1 4 Set Screws see 70 0292 N A Sep 1 5 Knob Insert 8 0500 1 6 Pin 8 0477 2 7 Spring Button 8 0501 2 8 Spring 49 0119 1 9 Upper Piston see 70 0292 N A Sep 1 10 Back up Ring 25 0404 1 11 O Ring see 70 0292 70 0366 N A Sep 1 12 Piston Guide 8 0502 1 13 O Ring 25 0403 2 ...

Page 42: ...28 Bolt 8 0517 1 29 O Ring 25 0406 1 30 Check Valve 8 0518 1 31 Unloader Check Valve Spring 49 0124 1 32 O Ring 25 0407 1 33 Nut see 70 0338 N A Sep 1 34 Chemical Injector Body see 70 0338 N A Sep 1 35 Spring 8 0520 1 36 Ball 8 0521 1 37 O Ring 25 0371 1 38 Chemical Injector Hose Barb 8 0499 1 39 O Ring N A Sep 1 40 Detergent Regulator Knob see 70 0338 N A Sep 1 41 O Ring see 70 0338 N A Sep 1 Unl...

Page 43: ...A 1 7 Body N A 1 8 O Ring See 70 0306 N A Sep 2 9 Back Up Ring See 70 0306 N A Sep 1 10 Piston N A 1 11 Washer N A 1 12 Spring 49 0145 1 13 Washer N A 1 14 Plastic Housing N A 1 15 O Ring See 70 0306 N A Sep 1 16 Nut N A 1 17 Wire Assembly N A 1 O Ring Repair Kit inc 4 8 9 15 70 0306 pressure switch parts list 57 16 Copyright 2013 PRESSURE SWITCH 22 0243 ...

Page 44: ...RT QTY 1 Cord Bushing 32 0465 2 2 Fuel Hose 15 0333 1 3 Elbow 23 0287 1 4 Fuel Solenoid 44 0098 1 5 Elbow 23 0249 1 6 QC Socket 17 0004 1 7 Pipe Nipple 24 0165 1 8 Pressure Relief Valve 22 0272 1 9 Outlet Connector 24 0138 1 10 HI Limit Switch 32 0798 1 11 Drain Plug Assembly 850 0218 1 12 Adapter 23 0279 1 ...

Page 45: ...lbow 23 0288 1 24 Fuel Pump 3 0020 1 25 Elbow 23 0237 2 26 Bolt 27 9524 2 27 Fuel Hose 15 0147 2 28 Nut 30 3023 6 29 Bolt 27 1201 6 30 Beltguard Side 20 1295A01 1 31 Bolt 27 1200 4 32 Spring Cover 20 1338A01 1 33 Sheave Shaft Assembly 850 0166 1 34 Locknut 30 0159 1 35 Sheave Assembly 850 0177 1 36 Idler Shaft 33 0212 1 37 Spring 49 0169 1 38 Idler Arm 20 1326A01 1 39 Washer 28 0003 1 40 Locknut 3...

Page 46: ...46 parts list boiler assembly 61 20 opyright 2013 BOILER ASSEMBLY ...

Page 47: ...her 28 0521 2 11 Heat Exchanger Coil 66 0009 1 12 Exhaust Chimney 20 1264 1 13 Electrode Assembly no wires inc 5 14 21 850 0411 1 14 Cone 20 0373 1 15 Bolt 27 8878 8 16 Electrode Plate 38 0065 1 17 Sight Glass 33 0252 1 18 Snap Ring 33 0254 1 19 Washer 28 0523 2 20 Electrode 32 0987 2 21 Electrode Bracket 20 1094A01 1 22 Fuel Nozzle Holder 23 0292 1 23 Fuel Nozzle 1 10 60DEG B 1000 18 0268 1 24 To...

Page 48: ...n 16 0445 1 2 Quick Connect 17 0005 1 3 QC Socket 17 0004 1 4 Hose 15 0145 1 5 Quick Connect 17 0006 1 6 Lance Assembly 16 0366 1 7 Nozzle 00030 QC 2500 18 0387 1 Nozzle 15030 QC 2500 18 0388 1 Nozzle 40030 QC 2500 18 0391 1 63 22 Copyright 2013 GUN WAND HOSE ASSEMBLY ...

Page 49: ...AUGE 4 ELBOW 5 FUEL PICK UP 6 NIPPLE 7 DECAL CAUTION RISK OF FIRE SEE 71 0058 8 FUEL TANK 9 DRAIN PLUG 26 Copyright 2013 FUEL TANK HSE_HSP SMALL FUEL TANK ASSY 110 FUEL TANK ASSEMBLY ITEM DESCRIPTION Mi T M 1 FUEL CAP 12 0033 2 FUEL GAUGE GROMMET 33 0255 3 FUEL GAUGE 22 0475 4 ELBOW 23 0237 5 FUEL PICK UP 33 0296 6 NIPPLE 23 0247 7 DECAL CAUTION RISK OF FIRE SEE 71 0058 N A 8 FUEL TANK 12 0242 9 D...

Page 50: ... ITEM DESCRIPTION PART QTY 1 Rocker Switch 32 0626 1 2 Electric Box Cover 20 1302A01 1 3 Bolt 27 9526 8 4 Bridge Rectifier 32 1114 1 5 Screw 27 8835 3 6 Capacitor 32 1113 1 7 Terminal Strip 32 0436 1 8 Cord Relief 9 0046 1 9 Electric Box Back 20 1301A01 1 10 Electrical Locknut 32 0292 1 11 Gasket 26 0384 1 ...

Page 51: ...05 4 Strainer 19 0034 5 Cover Gasket 26 0109 6 Plug 24 0044 7 Body N A 8 Plug 24 0082 0MHSP013 44 0101 12 FUEL SOLENOID 44 0101 REF DESCRIPTION PART 1 Solenoid Complete 120V 44 0101 2 Solenoid Body 46 1013 3 Solenoid Piston 46 1012 4 Solenoid Base 46 1014 5 Screw See 44 0101 N A Sep 6 Solenoid Coil 120V 46 1020 7 Spring See 44 0101 N A Sep 8 Piston Nut 46 1016 9 Din Connector Cord 32 0443 REF DESC...

Page 52: ...2 SET SCREW 30 3 3 LOCKNUT 30 0 4 BLOWER FLANGE ASSEMBLY 850 0 5 SEALED BEARING 48 0 6 BLOWER FLANGE 38 0 7 SPACER 33 0 8 BLOWER SHAFT 20 0 9 WOODRUFF KEY 43 0 10 CLAMP 32 0 11 SCREW 27 2 12 STATOR ASSEMBLY 850 0 13 BOLT 27 0 14 HUB 38 0 15 WASHER 28 0 16 IGNITION ASSEMBLY 850 0 EMF SYSTEM 850 0403 850 0403 031113 CH ...

Page 53: ...0 0177 2 4 Blower Flange Assembly 850 0402 1 5 Sealed Bearing 48 0041 2 6 Blower Flange 38 0066 1 7 Spacer 33 0206 1 8 Blower Shaft 20 0347 1 9 Woodruff Key 43 0080 2 10 Clamp 32 0403 1 11 Screw 27 2070 1 12 Stator Assembly 850 0401 1 13 Bolt 27 0740 4 14 Hub 38 0041 1 15 Washer 28 0001 2 16 Ignition Assembly 850 0413 1 ...

Page 54: ...54 parts list wiring diagram wiring schematic 73 32 Copyright 2013 WIRING DIAGRAM 72 31 Copyright 2013 WIRING SCHEMATIC ...

Page 55: ... or Shields Pulleys For One 1 Year from the date of original purchase Adjustable Thermostat GFCI Cord Selector switch Starter Contactor Overload For Six 6 months from the date of original purchase Ignition Transformer Burner Motor For Ninety 90 days from the date of original purchase Unloader Valve Electrodes Fuel solenoid High Limit thermostat Fuel Pump Pressure Switch Safety Relief Valve For Thi...

Page 56: ...rasive or corrosive environments or under conditions causing pump cavitation are not warranted Failure to follow recommended operating and maintenance procedures also voids warranty 4 The use of other than Genuine Repair Parts will void warranty Parts returned prepaid to our factory or to an Authorized Service Center will be inspected and replaced free of charge if found to be defective and subjec...

Page 57: ...57 If you need assistance with the assembly or operation of this Pressure Washer please call 1 866 770 1711 ...

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