Harbor Freight Tools 91142 User's Manual
Contents
1. are impaired while tak ing drugs If there is any doubt do not operate the tool Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Use tools with both hands when required This tool requires the use of both hands when operating This helps maintain tool stability and keeps hands away from the working area of the tool People with pacemakers should consult their physician s before use Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pace maker failure Caution is necessary when near engine s magneto or recoil starter SKU 91142 For technical questions please call 1 800 444 3353 Page 3 21 Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator AN High Pressure Washer Safety Precautions 1 Fire Hazard Do not fill gas tank when the engine is running Do not operate if gasoline has been spilled Clean spilled gasoline before starting the engine Do not operate near a pilot light or open flame 2 Operate the Pressure Washer in well ventilated outdoor areas only Carbon monoxide is produced during operation and is DEADLY in a closed environment Early signs of carbon Mono2. engine on Avoid unintentional starting Be sure that the water handle switch is in the Off position when not in use and before turning engine on Do not carry spray handle with your finger on the trigger whether engine is turn on or not Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired Take caution as some woods contain preservatives such as copper chromium arse nate CCA which can be toxic When high pressure spraying these materials extra care should be taken to avoid inhalation and minimize skin contact Check for damaged parts Before using any tool any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is damaged should be properly repaired or replaced by a qualified technician Do not use the tool if any switch does not turn On and Off properly Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools Do not operate tool if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgment or reflexes
3. CHICAGO Jaiei Power Tools INDUSTRIAL PRESSURE WASHER WITH ROBIN 6 HP ENGINE SET UP AND OPERATING INSTRUCTIONS Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Distributed exclusively by Harbor Freight Tools 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our website at http www harborfreight com Read this material before using this product Failure to do so can result in serious injury SAVE THIS MANUAL Copyright 2003 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions or replacement parts please call 1 800 444 3353 Cover Revised 07i Specifications Robin OHV Engine 6 HP unleaded gas recoil 3400 RPM low oil shut Gas Engine down Oil capacity 20 oz 0 6 L Gas capacity 4 quarts 3 8 Liter Refer to the Robin maintenance manual for further details 2900 PSI Maximum Safety trigger activated gun 60 140 Deg F Temp Maximum use cold water only Pressure Washer Gun Water Pressure 2 200 PSI rated 2 500 PSI maximum Water Output 2 2 GPM maximum unloader valve Water Supply Requirements 3 GPM recommended 1 62 GPM minimum High Pressure Hose 27 feet Water Nozzle ze Trigge
4. Choke Lever C Power Switch F azi Fuel Valve D i E Starting Handle G Pull the Starting Handle G lightly until you feel resistance Then pull it completely out The engine should start up Slowly release the Starting Handle Make sure the Pressure Washer is on a level surface so it does not roll Adjust the Throttle Control Lever E for the desired speed and subsequent output water pressure Open the Choke Lever C to the right If the engine does not start after a few tries refer to Troubleshooting Tips on the next page Hold the Spray Gun 2A with both hands and begin ee ie spraying ee po Do not allow the engine to run for more the three minutes without spraying Adjust the Spray Gun Nozzle 13A to the desired spray pattern SKU 91142 For technical questions please call 1 800 444 3353 Page 7 Using Detergent CAUTION To avoid injury ONLY run pressure washer detergent through the Detergent Suction Hose Place the end of the transparent Detergent Suction Hose into the detergent container or bottle High pressure lt gt _ Low pressure Figure B Do not dilute the detergent The detergent sprays out at low pressure only Slide the Spray Nozzle out for low pressure The pressure washer will draw the detergent up through the Detergent Suction Hose and mix the water and detergent automatically at about a 6 deter gent 94 water ratio See Figure B Shuttin
5. THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABIL ITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO SKU 91142 For technical questions please call 1 800 444 3353 Page 11 SKU 91142 Major Assembly Parts List Item Description Q z 1A Hose High Pressure 2A Spray Gun 3A Bracket Upper 4A Engine Gas 5A Pump 6A Wheel Left TA Bracket Bottom 8A Connector Water Inlet 9A Connector Water Outlet 10A Wheel Right 11A Screw 12A Screw Bracket met ND IND et tk et ed ed MA 13A Nozzle Spray Gun For technical questions please call 1 800 444 3353 Major Assembly Drawing Page 12
6. earing 303 1 12 Pump Head Y104 1 35 Seal Oil Frame NBR 1 13 Bolt M8x30 2 36 Drive Shaft 45 1 14 O ring GB1235 76 14x1 9 6 37 Base Y104 1 15 _ Valve Water Inlet Outlet POM 6 38 _ V ring NBR 3 16 O ring GB1235 76 16x1 9 4 39 O ring GB1235 76 18x1 9 3 17 Cap Water Inlet Valve 59 1 4 40 _ Ring Interspace 59 1 3 18 Bolt M8x36 1 41 O ring GB1235 76 28x2 3 19 O ring GB1235 76 10x1 9 1 42 __ Ring Interspace Separating 59 1 3 20 Housing Water Inlet Y104 1 43 Seal Frame Oil NBR 3 21 Bolt M6x25 4 44 Spring Plunger 65Mn 3 22 Bolt M8x25 4 45 _ Plunger 2Cr13 3 23 Joint Water Inlet PA66 1 46 Plunger Clip 65Mn 3 Note Some parts are listed and shown for illustration purposes only and are not available individu ally as replacement parts SKU 91142 For technical questions please call 1 800 444 3353 Page 10 Pump Assembly Drawing gt ay j a P A 2 x A Pa ra ln l I i eS ea a 21 ay AO Bb ay BAe SL ane a 2e g7 26 28 1 ey wee I x 7 AY oF ewe l e 24 Ja gul PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALI FIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT
7. g Down the Pressure Washer 2 2 P Ni p g Pe SS Move the Throttle Control Lever E all the way to the right Turn the Power Switch F to the OFF position The engine will stop Turn the Fuel Valve D up to the closed position Turn off the water supply faucet Press the Spray Gun Trigger Handle to release water and pressure Disconnect the water supply hose from the Water Inlet Connector 8A Disconnect the High Pressure Hose 1A from the Water Outlet Connector 9A Engage the Spray Gun Trigger safety lock Coil the High Pressure Hose and secure to the Upper Bracket 3A With the Fuel Valve D off and the Power Switch F on restart the engine for only a few seconds This will clear water from the pump and gas and oil residue from the engine REV 07i SKU 91142 For technical questions please call 1 800 444 3353 Page 8 Maintenance 1 Wipe down the entire unit with a clean cloth Do not use any solvents 2 Store the unit in a clean and dry location away from anything flammable 3 Read and follow maintenance instructions for the engine in the Robin Subaru 6 HP Engine Maintenance Manual 4 If water in leaking from connections during operation shut down the Pressure Washer and retighten all connections Troubleshooting Tips Symptom Possible Cause Solution Engine will not start 1 Gas tank empty 1 Fill gas tank 2 Low oil level 2 Add oil 3 Choke is not in correct position 3 Close c
8. hoke 4 Engine throttle set too low 4 Increase throttle setting 5 Pressure build up in pump 5 Squeeze trigger to release pressure Does not produce 1 Diameter of water supply hose too small 1 Replace garden hose with a inch high pressure hose 2 Water supply is restricted 2 Check water supply hose for kinks leaks or blockage 3 Not enough water supply 3 Open water faucet all the way Output pressure 1 Not enough water supply 1 Check water supply hose for kinks varies leaks or blockage Open faucet all the way 2 Water inlet screen is clogged 2 Remove inlet screen and rinse out 3 Nozzle is clogged 3 Remove nozzle and clean 4 Nozzle has mineral build up 4 Remove nozzle and clean with vinegar SKU 91142 For technical questions please call 1 800 444 3353 Page 9 Pump Assembly Parts List Item Description Qty Item Description Qty 1 Adjusting Cap PA66 1 24 _ Filter Screen 1Cr18Ni9 1 2 High Pressure Screw Cap 59 1 1 25 Valve Unilateral 1013B 1 3 Adjusting Spring 65 Mn 1 26 _ Spring Unilateral Valve 4Cr13 1 4 Valve Core 59 1 1 27 O ring 22x2 4 1 5 O ring 11x1 9 1 28 Joint Water Outlet 59 1 1 6 _ Junction Screw Cap 59 1 1 29 _ Pump Body Y104 1 7 O ring 22x1 9 1 30 O ring 86x2 4 1 8 O ring 9x1 9 1 31 Bolt M8x25 1 9 _ O ring 16x1 9 1 32 __ Gasket M8 4 10 _ Air proof Ring 59 1 1 33 Bearing 1 11 Pressing Group Cap 59 1 1 34 B
9. ntended Do not modify this tool and do not use this tool for a purpose for which it was not intended 6 Dress properly Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically non conductive clothes and non skid footwear are recom mended when working Wear restrictive hair covering to contain long hair Wear protective boots able to withstand high pressure water contact REV 05j SKU 91142 For technical questions please call 1 800 444 3353 Page 2 f 10 11 12 13 14 15 16 17 18 19 20 and heavy rubber boots During pressure washing debris can fly back into your face Wear an ANSI approved dust mask or respirator when working around chemi cal dusts and mists Use eye and ear protection Always wear ANSI approved impact safety goggles Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines Maintain tools with care Keep tools sharp and clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool hoses periodically and if damaged have them repaired by an authorized technician The handles must be kept clean dry and free from oil and grease at all times Turn power off Turn off engine when not in use Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from the tool or machine work surface before turning
10. possible Upper Bracket 3A Bracket Screw 12A Bracket Screw 12A Engine 4A Bottom Bracket 7A Pump 5A Water Outlet Connector 9A High Pressure Hose 1A ree ee Spray Gun Nozzle 13A Spray Gun 2A Assembly 1 Insert the Upper Bracket 3A onto the Bottom Bracket 7A and secure with Bracket Screws 12A as shown above Tighten securely 2 Screw on the High Pressure Hose 1A to the Water Outlet Connector 9A Tighten securely 3 Screw on the other end of the High Pressure Hose to the Spray Gun 2A handle Tighten securely 4 Attach the Spray Gun Nozzle 13A to the Spray Gun 2A Tighten securely SKU 91142 For technical questions please call 1 800 444 3353 Page 5 Operation Important Guidelines e Do leave the engine running without spraying water If it is left on for more than three minutes without discharging the high pressure water damage could occur to the internal pump and high pressure hose e The water hose should provide at least 3 gallons per minute for the Pressure Washer to operate at maximum performance Use only 3 4 dia inch water hose supply A smaller diameter hose limits the amount of water to the pump Test by filling a five gallon bucket with the water supply hose It should fill the bucket in three minutes or less e Always use clean water through the Pressure Washer Debris in dirty water could damage the inte
11. r Handle with lock off spray output adjustment 150 Bar 2 175 Wheels 2 Pneumatic wheels Garden Hose Fitting Quick connect fitting coupler inch I D Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep the manual and invoice in a safe and dry place for future reference Safety Warnings and Precautions WARNING When using tool basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool he Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Keep work area well lighted Do not use powered tools in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords 4 Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children 5 Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was de signed It will do the job better and more safely at the rate for which it was i
12. rnal pump Setup 1 Fill with engine oil Never run this Pressure Washer with low or no oil With Pressure Washer on a flat surface carefully unscrew the Oil Cap Dip Stick A Add oil Carefully screw in the Oil Cap Dip Stick A If the plastic threads on the Oil Cap do not seat correctly with the metal threads on the oil fill neck the plastic threads can be stripped Refer to the Robin Engine Maintenance Manual for the recommended oil weight 2 Fill the gasoline tank B with unleaded gasoline See engine photo on the next page Do not use leaded gasoline Be careful not to spill any gasoline on the engine or pavement Wash down any spilled gasoline 3 Connect the 3 4 inch garden hose from a cold water garden faucet to the Water Inlet Connector 8A Tighten securely See photo to right Turn on the water faucet valve all the way counterclockwise REV 05j SKU 91142 For technical questions please call 1 800 444 3353 Page 6 g N 2 ol Use Pick up the Spray Gun 2A and point it away from you Squeeze the Trigger Handle until all internal air is released and a steady flow of water comes out Release the Trigger Handle Move the Choke Lever C to the closed left position See engine photo below Turn the Fuel Valve D to the open down position Move the Throttle Control Lever E 1 3 to the left Turn the red Power Switch F to the ON position Gasoline Tank B Throttle Control Lever E
13. xide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the engine may not be working properly or is being used indoors Get fresh air immediately 3 Injection hazard The high pressure water jet can be dangerous and cut skin if misused Do not spray toward other people animals electrical boxes or outlets or the machine itself 4 Use only cold water as the active propellant in the Pressure washer Do not use acids alkalines solvents or any other flammable materials in this machine Chemicals can harm you and permanently damage the Pressure Washer 5 Avoid burns from the engine Certain parts of the engine become very hot during use Do not touch the engine until it cools down after use 6 During use do not allow the high pressure hose to come in contact with any part of the hot engine Damage to the hose could occur causing it to burst under high pressure 7 In case of emergency during use release the trigger on spray handle to stop the spray then shut off the gas supply valve on the engine Refer to the Operation section 8 Avoid tipping the Pressure Washer during use Place only on a flat stable surface SKU 91142 For technical questions please call 1 800 444 3353 Page 4 Unpacking When unpacking check and make sure that the following parts are included If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as
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