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DUAL PRESSURE WASHER
DPW-2500, DPW-2500-0AHA, DPW-2500-0AHU
OPERATOR'S MANUAL
REV 13
Date: 04/15

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Summary of Contents for MAKINEX DPW-2500

  • Page 1 REV 13 Date: 04/15 DUAL PRESSURE WASHER DPW-2500, DPW-2500-0AHA, DPW-2500-0AHU OPERATOR’S MANUAL...
  • Page 2: Table Of Contents

    Table of Contents INTRODUCTION ..............................4 DISCLAIMER ................................4 ABOUT THIS MANUAL ............................. 5 KEY TERMS ................................5 PRODUCT INFORMATION ............................6 SAFETY INFORMATION ............................6 SAFETY DECALS ..............................10 PRODUCT DESCRIPTION AND SPECIFICATIONS ....................10 OVERALL MACHINE DIMENSIONS ........................12 CONTROLS AND FEATURES ...........................
  • Page 3 Changing Pump Oil ............................30 Checking the oil level ............................ 31 Lengthy pump lay-offs ..........................32 Putting the pump back into service ......................32 Roto-clean Maintenance ..........................33 Engine Maintenance ............................33 STORAGE ................................34 TROUBLESHOOTING ............................. 37 WARRANTY ................................39 Warranty exclusions ............................
  • Page 4: Introduction

    Keep this manual or a copy of it with the machine. If you lose this manual or need an additional copy, please contact MAKINEX. This machine is designed and built with user safety in mind; however, it can present hazards if improperly operated and serviced. Please follow the operating instructions carefully.
  • Page 5: About This Manual

    ABOUT THIS MANUAL This manual uses the following symbols to help differentiate between different kinds of information. The safety symbol is used with a key word to alert you to potential hazards in operating and owning power equipment. Follow all safety messages to avoid or reduce the risk of serious injury or death. KEY TERMS READ CAREFULLY –...
  • Page 6: Product Information

    Read this manual thoroughly before operating your pressure washer. Failure to follow instructions could result in serious injury or death WARNING MAKINEX Dual Pressure Washer is designed for professional operators only, instruct operators in care and use of the machine before use! WARNING RISK OF EXPLOSION OR FIRE ...
  • Page 7  ALWAYS operate pressure washer in a well-ventilated area. Avoid enclosed areas such as garages, basements etc.  ALWAYS keep exhaust gas from entering a confined area through windows, doors, ventilation intakes, or other openings.  ALWAYS follow manufacturer’s recommendations, use a respirator or mask whenever there is a chance that vapours may be inhaled.
  • Page 8 RISK OF FLUID INJECTION  The high pressure stream of water that this equipment produces can cut through skin and its underlying tissues, leading to serious injury and possible amputation. Spray WARNING guns trap high pressure, even when engine is stopped and water is disconnected, which can cause injury.
  • Page 9 RISK OF CHEMICAL BURN  Use of acids, toxic or corrosive chemicals, poisons, insecticides, or any kind of flammable solvent with this DANGER product could result in serious injury or death.  Wear protective clothing to protect eyes and skin from contact with sprayed material. RISK OF HOT SURFACES ...
  • Page 10: Safety Decals

    SAFETY DECALS MODEL DPW-2500 Page 10 of 54...
  • Page 11: Product Description And Specifications

    PRODUCT DESCRIPTION AND SPECIFICATIONS The MAKINEX Dual Pressure Washer DPW-2500 Range is a versatile, 2 in 1 compact 2500 psi pressure cleaner. It is designed and engineered to simplify the process of pressure washing. The pressure washer includes a combination of a rotary cleaner, a spray gun, a control valve, ten metres of high pressure hose, heavy duty industrial- strength Italian- made pump, and the reliable Honda GX200 pull start engine, all mounted on a compact, easy to transport, durable galvanised steel frame.
  • Page 12: Overall Machine Dimensions

    OVERALL MACHINE DIMENSIONS Page 12 of 54...
  • Page 13 PUMP SPECIFICATIONS MAKINEX AUS MAKINEX USA DPW-2500-0AHA and DPW-2500-0AHU DPW-2500 (With AR XM11.17N) (With AR XMV2.5G26D-F25) PRESSURE OUTPUT 2500 psi/172.4 2600 psi/179.3 bar FLOW RATE MAX 11L/min (2.9 9.5L/min (2.5 gal/min) gal/min) OIL TYPE 10W30 10W30 1450 3400 WEIGHT 6.5kg/14.3lb 6.8kg/15.0lb...
  • Page 14 IGNITION SYSTEM Transistorized Magneto STARTING SYSTEM Recoil Starter LUBRICATION SYSTEM Splash GOVERNOR SYSTEM Mechanical AIR CLEANER Dual Element OIL CAPACITY 0.6L (0.63 US qt) FUEL TANK CAPACITY 3.3L (3.1 U.S. qts) FUEL Unleaded 86 Octane or higher DRY WEIGHT 16.1kg (35lbs) RUN TIME (Full tank) 100min Page 14 of 54...
  • Page 15: Controls And Features

    CONTROLS AND FEATURES MODEL DPW-2500 Page 15 of 54...
  • Page 16 Durable Galvanised frame Easy manoeuvrable Trolley with front swivel castors Pull Start motor Gear Box reduction (2:1) for prolonged pump life (Model DPW-2500) External Bypass Valve for seal heat protection Thermal dump valve for over heat discharge Multi cushion isolators for vibration reduction...
  • Page 17: Operation

    OPERATION BEFORE USE 1. Add Engine Oil (New machines will be pre-oiled from MAKINEX) 1.1 Place Pressure Washer on a flat, level surface. 1.2 Clean area around oil fill and remove oil fill cap. 1.3 Using oil funnel (optional), slowly pour contents into oil fill opening.
  • Page 18 WHEN ADDING FUEL TO PRESSURE WASHER, OBSERVE THE FOLLOWING STEPS: 2.1 Turn pressure washer OFF and let it cool for at least two minutes before removing fuel cap. Loosen fuel cap slowly to release pressure. 2.2 Fill fuel tank outdoors. 2.3 DO NOT overfill fuel tank.
  • Page 19: Operating Your Pressure Washer

    OPERATING YOUR PRESSURE WASHER 1. How to Pre-start your pressure washer To start your pressure washer for the first time, follow these instructions. This information also applies if you let the pressure washer sit idle for at least a day. 1.1 Place pressure washer near an outside water source capable of supplying water at a flow rate at least 5 gallons/19L per minute and no less than 20 psi at pressure washer end of garden hose.
  • Page 20: Connect Garden Hose To Water Inlet Connector

    3. Connect garden hose to water inlet connector 3.1 Before connecting the garden hose to the water inlet connector, inspect the filter 3.2 Run water through your garden hose for 30 seconds to clean put any debris 3.3 Release any pressure from spray gun by pulling the trigger.
  • Page 21: Adjust Valve Position To Roto-Clean

    4. Adjust valve position to Roto-Clean CORRECT POSITION 4.1 Make sure the valve is pointing to the Roto-Clean position before starting as this makes sure pressure is constantly released before you start the engine and during initial running. RISK OF EYE INJURY. SPRAY CAN SPLASH BACK OR PROPEL OBJECTS ...
  • Page 22: Checking/Adjusting Pressure

    VOID WARRANTY 6. Checking/adjusting pressure The MAKINEX dual pressure washer operating pressure is pre-adjusted to 2500 Psi. Over adjusting pressure will VOID WARRANTY. 6.1 Check the operating pressure when the machine starts;...
  • Page 23: Two Types Of Operations

    7. Two types of operations By using the valve, you can choose between two types of operation. ROTO-CLEAN OPERATION SPRAY GUN OPERATION Page 23 of 54...
  • Page 24: Nozzle Selection

    8. Nozzle selection The nozzle on the spray gun that comes with the MAKINEX dual pressure washer is a ¼ NPT M 15° Size 3. Your Roto-clean will come installed with one set of 25015 nozzles (25 degree 1.5 orifice).
  • Page 25: Foldable Handle

    9. Foldable Handle 8.1 release the lock pin by pressing down on spring tab of the handle lock tab. Refer to above. 8.2 Use both hands at the same time. 8.3 Lock pin will spring into place at their designated grooves. Page 25 of 54...
  • Page 26: How To Stop Your Pressure Washer

    10. How to stop your pressure washer 10.1 Turn off the engine 10.2 Release pressure from spray gun, ALWAYS point gun in safe position before pressing trigger. NOTE: Spray gun traps high water pressure, even when engine is stopped and water is disconnected.
  • Page 27: Maintenance

    MAINTENANCE General Recommendations: Regular maintenance will improve the performance and extend the life of the pressure washer. The pressure washer’s warranty does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, the operator must maintain the pressure washer as instructed in this manual and in the engine manual, including proper storage as detailed in Winter Storage and Long Term Storage.
  • Page 28: Pressure Washer Maintenance

    Pressure Washer Maintenance Clean Debris Daily or before use, clean accumulated debris from cleaning system. Keep the unit clean at all times. Keep area around and behind muffler free from any combustible debris. Inspect cooling air slots and openings on the pressure washer. These openings must be kept clean and unobstructed.
  • Page 29: Nozzle Maintenance

    Check Spray Gun Examine the hose connection to the spray gun and make sure it is secure, and make sure the ‘safety lock’ is present and attach on the trigger, it helps to prevent any accidental jets when in operation. Replace spray gun immediately if the safety lock is damaged or not functioning.
  • Page 30: Pump Maintenance

    12. Use same nozzle maintenance with the Roto-clean. If pressure drops off check nozzle for wear. Nozzles should be replaced on a regular basis (suggestion: every month for machines in regular use, every three months for machines used intermittently). Using the machine with the incorrect nozzle size or worn nozzle will VOID WARRANTY and can be DANGEROUS to operator.
  • Page 31: Checking The Oil Level

    Checking the oil level Check the oil with the pump level and cold.  Check the amount of oil through the level  gauge (A).  If necessary, top up with oil with the characteristics specified in the ‘lubricants table’. To top up with oil proceed as described below.
  • Page 32: Lengthy Pump Lay-Offs

    Lengthy pump lay-offs If the pump is to be unused for a long time, proceed as described below. 1. Run the pump with clean water for a few minutes. 2. Operate the pump without water for 10 seconds with the end of the delivery pipeline open to empty the pump and the delivery circuit and prevent scaling.
  • Page 33: Roto-Clean Maintenance

    Roto-clean Maintenance The Roto-clean must be maintained to ensure correct function and longevity of life. There are two nozzles attached and they need to be checked before every use and are similar to nozzle maintenance of the spray gun. We recommend that you supply grease to the rotary head every 30 – 40 hours of use (if frequent usage, grease every 20-30 hours of operation).
  • Page 34: Storage

    STORAGE Long term storage instructions (fuel in tank) Gasoline fuel can become stale when stored over 30 days. Stale fuel causes acid and gum deposits to form in the fuel system or crucial carburetor parts. To keep fuel fresh, add a fuel stabiliser liquid additive to fuel. The fuel stabiliser is available at most auto parts stores.
  • Page 35 Storage of Pressure washer 1. Drain all water from high pressure line, coil it and store it in cradle of pressure washer handle. 2. Drain all water from spray gun and spray wand by holding spray gun in vertical position with nozzle pointed downward. Squeeze trigger to remove fluids from spray gun and spray wand.
  • Page 36 Charge the battery For pressure washer equipped with batteries for electric starting, proper battery maintenance and storage should be followed. An automatic battery charger with automatic trickle charging capability should be used to charge the battery. Maximum charging rate should not exceed 1.5amps. Follow the instructions included with the battery charger.
  • Page 37: Troubleshooting

    TROUBLESHOOTING TROUBLE SHOOTING GUIDE PROBLEM CAUSE REMEDY Pump sucking air Restore the tightness of the intake line Increase the size of the intake pipelines Remove and kinks from the pipes Intake flow rate insufficient Increase the filter capacity or clean the Pump does not reach the filter cartridge specified pressures...
  • Page 38 Guide piston gasket worn Replace the gaskets (1) Water in oil High humidity percentage in air Change the oil twice as often Worn gaskets Replace the gaskets (1) Worn gaskets Replace the gaskets (1) Worn pistons Replace the pistons (1) Loose drain plug Tighten drain plug pump overfilled...
  • Page 39: Warranty

    LIMITED WARRANTY In order to take advantage of the MAKINEX limited warranty, you must have maintenance performed according to the schedule (contained in relevant owner’s manual supplied with this product), by an authorised MAKINEX dealer or MAKINEX service technician. You are free to have your MAKINEX product serviced by any...
  • Page 40: Warranty Exclusions

    Failures due to acts of God and other force majeure events beyond the manufacturer’s control. Problems cause by parts that are not original MAKINEX parts. Responsibility of the consumer under this Limited Warranty: Only clean, potable water should be used through our pressure washers with a flow rate at least 15% more than the pump requirements (e.g a 15LPM...
  • Page 41 This warranty only applies to the original purchaser and is not transferable. It is the responsibility (and cost) of MAKINEX or our appointed agent to return the machine to be repaired or replaced under warranty to the consumer- this is valid for domestic territories only (e.g.
  • Page 42: Contact Information

    WARRANTY CONTACT INFORMATION: AUSTRALIA Tel + 61 2 9460 8071 Fax +61 2 9439 9815 d.lobban@Makinex.com.au 15 Waltham St, Artarmon, NSW 2064 AUSTRALIA Tel 407-446-1966 407-826-0000 j.spencer@makinexusa.com m.spencer@makinexusa.com EUROPE Tel +31 (0)6 24881203 +31 (0)6 50841849. SERVICE & PART ORDERING...
  • Page 43: Contact Information

    CONTACT INFORMATION AUSTRALIA/ NEW ZEALAND UNITED STATES OF AMERICA EUROPE W makinex.com E sales@makinex.com Page 43 of 54...
  • Page 44: Appendices

    APPENDICES APPENDIX A – GENERAL EXPLODED PARTS DIAGRAM APPENDIX B – PUMP ASSEMBLY PARTS APPENDIX C – HANDLE ASSEMBLY PARTS APPENDIX D – FRAME ASSEMBLY PARTS APPENDIX E – PUMP EXPLODED PARTS APPENDIX F- ROTARY CLEANER EXPLODED PARTS APPENDIX G- RISK ASSESSMENT Page 44 of 54...
  • Page 45: Appendix A - General Exploded Parts Diagram

    DESCRIPTION APPENDIX A – GENERAL 27-8065 DPW-27-8065 HHCS-ZI GR8.8 M8-1.25 X 12MM 29-0007 DPWN2A-29-0007 LOCKWASHER-ZINC MED 5/16 EXPLODED PARTS DIAGRAM DPW-2500-0AHA PUMP/ENG ASSY 27-9610 DPW2-27-9610 HHCS-ZI M8 X 30MM 28-0003 DPW-28-0003 WASHER-ZI SAE TYPE A 5/16" 27-8064 DPW-27-8064 HHCS-ZI GR 8.8 M10-1.5P X 25mm...
  • Page 46: Appendix B - Pump Assembly Parts

    DESCRIPTION APPENDIX A – GENERAL 27-8065 DPW-27-8065 HHCS-ZI GR8.8 M8-1.25 X 12MM 29-0007 DPWN2A-29-0007 LOCKWASHER-ZINC MED 5/16 EXPLODED PARTS DIAGRAM DPW-2500-0AHU PUMP/ENG ASSY 27-9610 DPW2-27-9610 HHCS-ZI M8 X 30MM 28-0003 DPW-28-0003 WASHER-ZI SAE TYPE A 5/16" 27-8064 DPW-27-8064 HHCS-ZI GR 8.8 M10-1.5P X 25mm...
  • Page 47: Appendix C - Handle Assembly Parts

    22-0005 DPW-309-6 VALVE - THERMAL RELIEF 1/2MNPT NOTE: 1) QC FITTING ON UNLOADER MUST BE REMOVED. BALL VALVE Mi-T-M Corporation 21" SCALE: DATE: 2/8/2015 DRAWING SIZE: APP'D: DRAWN BY: TO INLET DPW-2500-0AHU PUMP/ENG ASSY FITTING DRAWING/PART NO: DPW-2500-0AHU ENGINE_PUMP ASSY...
  • Page 48: Appendix D - Frame Assembly Parts

    VALVE - THERMAL RELIEF 1/2MNPT 43-0073 DPW2-43-0073 KEY - 3/16" SQ. x 1-7/8" TO BALL VALVE Mi-T-M Corporation 22" SCALE: DATE: 2/8/2015 DRAWING SIZE: APP'D: DRAWN BY: 10 11 12 13 DPW-2500-0AHA PUMP/ENG ASSY TO INLET FITTING DRAWING/PART NO: DPW-2500-0AHA PUMP/ENG ASSY...
  • Page 49 HANDLE LOCK - RIGHT 28-0004 DPW-28-0004 WASHER - ZI SAE 3/8" 30-3159 DPW-30-3159 HEX NYLON LOCKNUT-ZINC M10-1.5 20-1390A31 DPW-206 HANDLE LOCK - LEFT Mi-T-M Corporation SCALE: DATE: 2/8/2015 DRAWING SIZE: APP'D: DRAWN BY: DPW-2500 HANDLE ASSY DRAWING/PART NO: DPW-2500 HANDLE ASSY...
  • Page 50 21" 15-0194 DPW2-306B HOSE 3/8X24" 4500PSI R2 BLACK 20-1384A77 DPW-113 VALVE BRACKET 27-8001 DPW-27-8001 BOLT - HHCS M6 - 1.00P x 15mm Mi-T-M Corporation SCALE: DATE: 2/8/2015 DRAWING SIZE: APP'D: DRAWN BY: DPW-2500 FRAME ASSY DRAWING/PART NO: DPW-2500 FRAME ASSY...
  • Page 51 APPENDIX E - PUMP PARTS BREAK DOWN MODEL DPW-2500 Page 49 of 54...
  • Page 52 Page 50 of 54...
  • Page 53: Appendix G- Risk Assessment

    APPENDIX F- ROTARY CLEANER EXPLODED PARTS Page 51 of 54...
  • Page 54 Page 52 of 54...
  • Page 55 APPENDIX G- RISK ASSESSMENT...
  • Page 56 Page 54 of 54...

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