MAKINEX DPW-4000 Operator's Manual

Dual pressure washer
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DUAL PRESSURE WASHER
DPW-4000, DPW-4000-0AHA, DPW-4000-0AHU
OPERATOR'S MANUAL
REV 13
Date: 04/15

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Summary of Contents for MAKINEX DPW-4000

  • Page 1 REV 13 Date: 04/15 [Type text] DUAL PRESSURE WASHER DPW-4000, DPW-4000-0AHA, DPW-4000-0AHU 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 ........................13 CONTROLS AND FEATURES ...........................
  • Page 3 Changing Pump Oil ............................31 Checking the oil level ............................ 32 Lengthy pump lay-offs ..........................33 Putting the pump back into service ......................33 Roto-clean Maintenance ..........................34 Engine Maintenance ............................34 STORAGE ................................35 TROUBLESHOOTING ............................. 38 LIMITED WARRANTY ............................. 40 WARRANTY: (Ex-factory/ Reseller premise) .....................
  • 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 WARNING or death MAKINEX Dual Pressure Washer is designed for professional operators only, instruct operators in care and use of the machine WARNING before use! 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 NOTE: Model DPW-4000 Page 10 of 56...
  • Page 11: Product Description And Specifications

    PRODUCT DESCRIPTION AND SPECIFICATIONS The MAKINEX Dual Pressure Washer DPW-4000 Range is a versatile, 2 in 1 compact 4000 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, five metres of high pressure hose, heavy duty industrial- strength Italian- made pump, and the reliable Honda GX390 engine, all mounted on a compact, easy to transport, durable galvanised steel frame.
  • Page 12 GEAR BOX Direct Drive 2:1 Reduction Direct Drive NOISE LEVEL @ 92dBA 92dBA 92dBA HANDLE NOISE LEVEL @ 7m 88dBA 88dBA 88dBA ROTOCLEAN 610mm (24’’) 610mm (24’’) 610mm (24’’) BALL VALVE 500 bar/7200 psi 500 bar/7200 psi 500 bar/7200 psi rated 3 way ball valve rated 3 way ball rated 3 way ball...
  • Page 13: Overall Machine Dimensions

    OVERALL MACHINE DIMENSIONS NOTE: Model DPW-4000 Page 13 of 56...
  • Page 14 WEIGHT 15.5kg/34lb 9.5kg/21lb SXW15.35 (direct drive) for Model DPW- 4000-0AHA 5100 psi/351.6 bar 15L/min (4 gal/min) 10W30 1450 15.4kg/34lb GEARBOX SPECIFICATIONS (Model DPW-4000) REDUCTION SHAFT SIZE 1’’ SHAFT OIL TYPE SAE90W ENGINE SPECIFICATIONS ENGINE TYPE Honda GX390 Air-cooled 4-stroke OHV BORE x STROKE 88 x 64mm/3.5 x 2.5inch...
  • Page 15 8.2:1 LAMP/CHARGE COIL OPTIONS 25W, 50W/1A, 3A,10A,18A CARBURATOR Butterfly Float Type IGNITION SYSTEM Digital CDI with variable timing STARTING SYSTEM Pull Start (DPW-4000)/Pull Start (DPW-4000- 0AHA, DPW-4000-0AHU) LUBRICATION SYSTEM Splash GOVERNOR SYSTEM Centrifugal Mass Type AIR CLEANER Dual Element OIL CAPACITY 1.1L (1.16 US qt)
  • Page 16: Controls And Features

    CONTROLS AND FEATURES NOTE: Model DPW-4000 Page 16 of 56...
  • Page 17 Built in Pressure Gauge Durable Galvanised frame Easy manoeuvrable Trolley with front swivel castors Electric Start Motor (DPW-4000) Pull Start Motor (DPW-4000-0AHA, DPW- 4000-0AHU) Gear Box reduction (2:1) for prolonged pump life (DPW-4000) External Bypass Valve for seal heat protection...
  • Page 18: 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 19 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 20: 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 21: 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 22: 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 23: Checking/Adjusting Pressure

    VOID WARRANTY 6. Checking/adjusting pressure The MAKINEX dual pressure washer operating pressure is pre-adjusted to 4000 Psi. Over adjusting pressure will VOID WARRANTY. 6.1 Check the operating pressure when the machine starts;...
  • Page 24: 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 24 of 56...
  • Page 25: 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 4. Your Roto-clean will come installed with one set of 25020 nozzles (25 degree 2.0 orifice).
  • Page 26: 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 26 of 56...
  • Page 27: 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 28: 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 29: 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 30: 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 31: 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 32: 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 33: 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 34: 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 35: 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 36 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 37 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 38: 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 39 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 40: Limited 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 41: 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 42: Claim Procedure

    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 43: Warranty Contact Information

    AUS: 1300 795 953 or +61 2 9460 8071 USA: 407-446-1996, 407-826-0000 EUROPE: +31 (0)6 24881203 or +31 (0)6 50841849 Or your nearest MAKINEX distributor We have very knowledgeable, experienced staff to assist you with help and advice. Page 43 of 56...
  • Page 44: Contact Information

    CONTACT INFORMATION AUSTRALIA/ NEW ZEALAND UNITED STATES OF AMERICA EUROPE W makinex.com E sales@makinex.com Page 44 of 56...
  • Page 45: 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 45 of 56...
  • Page 46: Appendix A - General Exploded Parts Diagram

    REC'D: DATE: ITEM PART # VENDOR DESCRIPTION APPENDIX A – DPW-4000-0AHU PUMP/ENG ASSY GENERAL EXPLODED 27-8060 DPW4A-46-1470 HHCS-ZI GR 8.8 M10-1.5P X 16mm PARTS DIAGRAM 29-0009 DPW4-29-0009 LOCKWASHER - MED 7/16 27-8064 DPW-27-8064 HHCS-ZI GR 8.8 M10-1.5P X 25mm 28-0004 DPW-28-0004 WASHER - ZI SAE 3/8"...
  • Page 47: Appendix B - Pump Assembly Parts

    APPENDIX A – 27-8060 DPW4-27-8060 HHCS-ZI GR 8.8 M10-1.5P X 16mm 29-0009 DPW4-29-0009 LOCKWASHER - MED 7/16 GENERAL EXPLODED DPW-4000-0AHA PUMP/ENG ASSY PARTS DIAGRAM 27-8064 DPW-27-8064 HHCS-ZI GR 8.8 M10-1.5P X 25mm 28-0004 DPW-28-0004 WASHER - ZI SAE 3/8" 30-3159 DPW-30-3159 HEX NYLON LOCKNUT-ZINC M10-1.5...
  • Page 48: Appendix C - Handle Assembly Parts

    PUMP-DD GAS 4000 PSI @ 3.5 43-0078 DPW4-43-0078 KEY - 1/4" SQ x 2 1/8" TO BALL VALVE 20" 31" TO INLET FITTING Mi-T-M Corporation SCALE: DATE: 2/8/2015 DRAWING SIZE: APP'D: DRAWN BY: DPW-4000-0AHU PUMP/ENG ASSY DRAWING/PART NO: DPW-4000-0AHU PUMP/ENG ASSY...
  • Page 49: Appendix D - Frame Assembly Parts

    DPW4-43-0078 KEY - 1/4" SQ x 2 1/8" TO BALL VALVE 20" 12 11 10 34" TO INLET Mi-T-M Corporation FITTING 17 16 15 SCALE: DATE: 2/8/2015 DRAWING SIZE: APP'D: DRAWN BY: DPW-4000-0AHA PUMP/ENG ASSY DRAWING/PART NO: DPW-4000-0AHA PUMP_ENG ASSY...
  • Page 50 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-4000 HANDLE ASSEMBLY DRAWING/PART NO: DPW-4000 HANDLE ASSEMBLY...
  • Page 51 DPW-309-4 SS WORM CLAMP 3/8"-1" 15-0007 DPW-307-1 HOSE 1/2 250psi 2.59' 20-1386A77 DPW-123 LEFT AXLE BRACKET 19 17 18 17 16 15 Mi-T-M Corporation SCALE: DATE: 2/8/2015 DRAWING SIZE: APP'D: DRAWN BY: DPW-4000 FRAME ASSY DRAWING/PART NO: DPW-4000 FRAME ASSY...
  • Page 52 APPENDIX E - PUMP PARTS BREAK DOWN Model AR XW15.30N MODEL DPW-4000 Page 50 of 56...
  • Page 53 Model 2: SXW15.35 Page 51 of 56...
  • Page 54 Model 3: RKV3.5G40HD-F24 Page 52 of 56...
  • Page 55: Appendix G- Risk Assessment

    APPENDIX F- ROTARY CLEANER EXPLODED PARTS Page 53 of 56...
  • Page 56 Page 54 of 56...
  • Page 57 [Type text] APPENDIX G- RISK ASSESSMENT...
  • Page 58 Page 56 of 56...

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