MAKINEX DPW-2500, DPW-2500-0AHA, DPW-2500-0AHU Operator's Manual
DUAL PRESSURE WASHER
DPW-2500, DPW-2500-0AHA, DPW-2500-0AHU
OPERATOR’S MANUAL
REV 13
Date: 04/15
Page 2 of 54
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 ................................................................................................................................... 15
OPERATION ........................................................................................................................................................... 17
BEFORE USE ...................................................................................................................................................... 17
OPERATING YOUR PRESSURE WASHER ............................................................................................................ 19
1. How to Pre-start your pressure washer ............................................................................................. 19
2. Attaching High pressure hose to spray gun ....................................................................................... 19
3. Connect garden hose to water inlet connector ................................................................................. 20
4. Adjust valve position to Roto-Clean .................................................................................................. 21
5. Start the engine .................................................................................................................................. 21
6. Checking/adjusting pressure .............................................................................................................. 22
7. Two types of operations..................................................................................................................... 23
8. Nozzle selection .................................................................................................................................. 24
9. Foldable Handle .................................................................................................................................. 25
10. How to stop your pressure washer .................................................................................................... 26
MAINTENANCE ..................................................................................................................................................... 27
General Recommendations: ............................................................................................................................. 27
Pressure Washer Maintenance......................................................................................................................... 28
Nozzle Maintenance ......................................................................................................................................... 29
Pump Maintenance .......................................................................................................................................... 30
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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 ......................................................................................................................................... 40
Normal Wear .................................................................................................................................................... 40
Installation, Use and Maintenance ................................................................................................................... 40
Other Exclusions ............................................................................................................................................... 40
CONTACT INFORMATION ..................................................................................................................................... 41
APPENDICES .......................................................................................................................................................... 44
APPENDIX A – GENERAL EXPLODED PARTS DIAGRAM ..................................................................................... 45
APPENDIX B – PUMP ASSEMBLY PARTS ............................................................................................................ 46
APPENDIX C – HANDLE ASSEMBLY PARTS ........................................................................................................ 47
APPENDIX D – FRAME ASSEMBLY PARTS .......................................................................................................... 48
APPENDIX E - PUMP PARTS BREAK DOWN ....................................................................................................... 49
APPENDIX F- ROTARY CLEANER EXPLODED PARTS .......................................................................................... 51
APPENDIX G- RISK ASSESSMENT ....................................................................................................................... 53
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INTRODUCTION
Thank you for purchasing a MAKINEX product.
This manual provides information and procedures to safely operate and maintain the Dual Pressure
Washer DPW-2500 Range. For your own safety and protection from injury, carefully read,
understand and observe the safety instructions described in this manual.
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. If there are any questions regarding operating or servicing of this machine,
please contact MAKINEX.
The information contained in this manual was based on machines in production at the time of
publication. Work Smart Equipment reserves the right to change any portion of this information
without notice.
All rights, especially copying and distribution rights are reserved.
Copyright 2014 by MAKINEX
No part of this publication may be reproduced in any form or by any means, electronic or
mechanical, including photocopying, without express written permission from MAKINEX
Any type of reproduction or distribution not authorised MAKINEX represents an infringement of
valid copyrights and will be persecuted. We expressly reserve the right to make technical
modifications, even without due notice, which aim at improving our machines or their safety
standards.
DISCLAIMER
MAKINEX and its affiliates take no responsibility for any damage, injury or death resulting from
the incorrect or unsafe use of this product. Use of this product should be undertaken by
competent persons only. It is the operator’s responsibility to ensure that the following safety
procedures are followed. If you are unsure, do not operate this product.
Record the model and serial numbers as well as date and place of purchase for future reference.
Have this information available when ordering parts and when making technical or warranty inquiries
MAKINEX SUPPORT
+61 2 9460 8071 (AUS)
407 446 1966 (USA)
MODEL NO.
DPW-2500, DPW-2500-0AHA, DPW-2500-0AHU
SERIAL NO.
DATE OF PURCHASE
PURCHASE LOCATION
Page 5 of 54
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
READ CAREFULLY – refers to important
information that should be paid careful attention.
CAUTION
CAUTION - indicates a potential hazardous situation
which, if not avoided, may result in minor or moderate
injury
WARNING
WARNING – indicates a potentially hazardous
situation which, if not avoided, could result in death or
serious injury
DANGER
DANGER – indicates a imminently hazardous
situation which, if not avoided, will result in death or
serious injury
PROHIBITED
PROHIBITED – identifies actions that should never
be carried out by any one interacting with the
machine.
Page 6 of 54
PRODUCT INFORMATION
SAFETY INFORMATION
WARNING
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!
DANGER
RISK OF EXPLOSION OR FIRE
Fuel and its vapours are extremely flammable and explosive
Fire or explosion can cause severe burns or death
ALWAYS shut off engine and allow it to cool a least 2 minutes before adding fuel to the tank
ALWAYS use care in filling tank to avoid spilling fuel. Move pressure washer away from fuelling
area before starting engine.
ALWAYS keep maximum fuel level below top of tank to allow for expansion.
ALWAYS operate and use equipment in well ventilated areas free from obstructions. Equip
areas with fire extinguishers suitable for gasoline fires
NEVER operate pressure washer in an area containing dry bush or weeds.
ALWAYS keep pressure washer a minimum of 1.2m away from surfaces (such as houses,
automobiles, or live plants) that could be damaged from muffler exhaust heat.
ALWAYS store fuel in an OSHA approved container, in a secure location away from work area.
NEVER spray flammable liquids.
DANGER
RISK OF BREATHING
Running engine gives off Carbon Monoxide, an odourless,
colourless, poisonous gas.
Breathing Carbon Monoxide can cause nausea, fainting or
death.
Some chemicals or detergents may be harmful if inhaled or
ingested, causing severe nausea, fainting or poisoning.
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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.
WARNING
RISK OF FALL HAZARD
Use of pressure washer can create puddles and slippery
surfaces.
Kick back from spray gun can cause you to fall.
Keep operating area clear of all persons, pets and obstacles.
DO NOT operate the product when fatigued or under the influence of alcohol or drugs. Stay
alert at all times.
DO NOT operate the machine with missing, broken, or genuine parts.
NEVER leave wand unattended while unit is running.
Keep children away from pressure washer at all times.
DO NOT overreach or stand on an unstable support.
The cleaning area should have adequate slopes and drainage to reduce the possibility of a
fall due to slippery surfaces.
Be extremely careful if you must use the pressure washer from a ladder, scaffolding, or any
other off ground location.
Firmly grasp spray gun with both hands when using high pressure spray to avoid injury when
spray gun kicks back.
WARNING
RISK OF ELECTRICAL SHOCK
Risk of electrocution.
Contact with power source can cause electric shock or
burn.
Unplug any electrically operated product before attempting to clean it. Direct spray away from
electric outlets and switches.
NEVER spray near power source.
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WARNING
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
guns trap high pressure, even when engine is stopped and
water is disconnected, which can cause injury.
ALWAYS point spray gun in safe direction and squeeze trigger, to release high pressure,
every time you stop the engine.
NEVER aim spray gun at people, animal, or plants.
NEVER place hands in front of nozzle.
Make sure hose and fittings are tightened and in good condition. Never hold onto the hose or
fitting during operation.
DO NOT allow hose to contact muffler.
NEVER attach or remove wand or hose fittings while system is pressurised.
Use only hose and high pressure accessories rated for pressure higher than your pressure
washer’s psi.
To relieve system pressure, shut off engine, turn off water supply, and pull gun trigger until
water stops flowing.
DO NOT allow children to operate pressure washer.
NEVER direct the spray jet at any surface that may contain asbestos material.
DO NOT leave spray gun unattended while machine is running.
NEVER use a spray gun which does not have a trigger lock or trigger guard in place and in
working order.
ALWAYS be certain spray gun, nozzles and accessories are correctly attached.
ALWAYS wear personal protective clothing such as goggles, ear muffs, gloves, and closed
foot wear.
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DANGER
RISK OF CHEMICAL BURN
Use of acids, toxic or corrosive chemicals, poisons,
insecticides, or any kind of flammable solvent with this
product could result in serious injury or death.
Wear protective clothing to protect eyes and skin from contact with sprayed material.
DANGER
RISK OF HOT SURFACES
Contact with hot surfaces, such as engines exhaust
components, could result in serious burn.
During operation, touch only the control surfaces of the pressure washer. Keep children away
from the pressure washer at all times. They may not be able to recognise the hazards of this
product.
DANGER
RISK OF MOVING PARTS
Starter and other rotating parts can entangle hands, hair,
clothing, or accessories.
DO NOT wear loose clothing, jewellery or anything that may be caught in the starter or other
rotating parts.
Tie up long hair and remove jewellery.
DANGER
RISK OF EYE INJURY
Spray can splash back or propel objects.
ALWAYS wear safety goggles when using this equipment or in vicinity of where equipment is
in use.
Before starting the pressure washer, be sure you are wearing adequate safety goggles.
NEVER substitute safety glasses for safety goggles.
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SAFETY DECALS
MODEL DPW-2500
Page 11 of 54
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.
OVERALL MACHINE SPECIFICATIONS
OVERALL WEIGHT
66kg/145.5lb
OVERALL WIDTH
552mm/21.7inch
HANDLE FOLDED HEIGHT
730mm/28.7inch
HANDLE EXTENDED HEIGHT
986mm/39inch
HANDLE FOLDED LENGTH
810mm/31.9inch
HANDLE EXTENDED LENGTH
1137mm/44.8inch
HOSE LENGTH
10m/32.8ft
PRESSURE OUTPUT
2500psi/172 bar
FLOW RATE
11L/min (2.9
gal/min) DPW-2500
9.5L/min (2.5
gal/min)
DPW-2500-0AHA
and
DPW-2500-0AHU
ENGINE
5.5HP HONDA GX200 pull start
GEAR BOX
2:1 Reduction (Model DPW-2500 only)
NOISE LEVEL @ HANDLE
92dBA
NOISE LEVEL @ 7m
88dBA
ROTOCLEAN
530mm (21’’)
BALL VALVE
500 bar/7252 psi rated 3 way ball valve
TRIGGER GUN
5200psi/358.5bar rated
WAND LENGTH
900mm/35.4inch
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OVERALL MACHINE DIMENSIONS
Page 13 of 54
PUMP SPECIFICATIONS
MAKINEX AUS
MAKINEX USA
DPW-2500 (With AR XM11.17N)
DPW-2500-0AHA and DPW-2500-0AHU
(With AR XMV2.5G26D-F25)
PRESSURE OUTPUT
MAX
2500 psi/172.4
bar
2600 psi/179.3 bar
FLOW RATE MAX
11L/min (2.9
gal/min)
9.5L/min (2.5 gal/min)
OIL TYPE
10W30
10W30
RPM
1450
3400
WEIGHT
6.5kg/14.3lb
6.8kg/15.0lb
GEARBOX SPECIFICATIONS (DPW-2500 ONLY)
REDUCTION
2:1
SHAFT SIZE
3/4’’ SHAFT
OIL TYPE
SAE90W
ENGINE SPECIFICATIONS
ENGINE TYPE
Honda GX200
Air-cooled 4-stroke OHV
BORE x STROKE
68 x 54mm/2.7 x 2.1inch
DISPLACEMENT
196cm³/12.0inch³
MAX POWER OUTPUT
5.5HP (4.1kW) @ 3600 rpm
NET TORQUE
9.1 lb-ft (12.4Nm) @ 2500 rpm
PTO SHAFT ROTATION
Counter-clockwise (from PTO shaft side)
COMPRESSION RATIO
8.5:1
LAMP/CHARGE COIL OPTIONS
25W, 50W/1A, 3A,7A
CARBURATOR
Butterfly
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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
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CONTROLS AND FEATURES
MODEL DPW-2500
Page 16 of 54
FEATURES
Adjustable valve for easy operation switch
Adjustable Pressure 1000-2500 psi
Built in Pressure Gauge
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
10m high pressure hose attached
Spray gun included and mounted on frame
Built in 21’’ 2500 psi Roto-Clean
Compact design for easy storage and transport
Lifting point for transportation
Page 17 of 54
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. (Oil capacity is 1.1L)
1.4 Replace oil fill cap and tighten.
NOTE: IMPROPER treatment of pressure washer can
damage it and shorten its life. DO NOT attempt to crank or
start the engine before it has been properly serviced with the
recommended oil. This may result in an engine failure.
Adding Fuel
WARNING
FAILURE TO USE FUEL AS
RECOMMENDED IN THIS MANUAL WILL
VOID WARRANTY
-DO NOT use unapproved gasoline such as E85 (85%
ethanol/15% gasoline).
-DO NOT mix oil with gasoline.
-DO NOT modify engine to run on alternate fuels.
WARNING
Fuel and fuel vapour are extremely
flammable and explosive. Fire or explosion
from misuse of fuel can cause severe burns
and even death.
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