Harbor Freight Tools 47761 User's Manual
Contents
1. Assembly Description A Cart Assembly 1 Trigger and Gun Assembly A1 Handle with High Pressure Hose A2 Accessory Holder Band Parts 1A 10A 12A 23A 33A A3 Base Housing Parts 72 amp 92 A4 Bolt Heavy Duty Hose Adapter Wing Nut Detergent Sprayer Accessory Hook Tip Cleaner Motor Assembly Part 77 J Spray Wand Ext Part 11A Pump Assembly Adjustable Spray Lance Parts 2 27 43 69 Parts 8A 9A 13A 22A Optional Accessories for this Unit from Harbor Freight Tools Sold Separately Not Shown in the Diagram Below ITEM 39814 Turbo Lance ITEM 39816 Rotating Brush ITEM 39815 Fixed Brush ITEM 39817 Pipe Cleaning Kit Assemblies C D E F J amp K are shown on the parts lists and diagrams on pages 18 20 instead of here NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNIC2. the problem page 11 unit off and allow the unit to rest for 20 30 minutes and try again PRESSURE WASHER DOES NOT BUILD PRESSURE Check that hose is unbent and Inlet Screen is free from debris and deposits HOSE IS KINKED OR SCREEN IS CLOGGED HOSE IS NOT KINKED AND SCREEN IS CLEAN Clean Screen and Air may be getting in the straighten hose water supply hose check all Switch to a shorter connections hose if possible CONNECTIONS ARE LOOSE ALL CONNECTIONS ARE TIGHT Retighten Internal valves seals or the connections nozzle may be worn contact a qualified technician If the steps above do not solve the problem or if the repairs involved are too complex contact a qualified technician SKU 47761 For technical questions please call 1 800 444 3353 PAGE 23 TROUBLESHOOTING CONTINUED IMPORTANT Be CERTAIN to shut off the Pressure Washer release all pressure in a safe manner and disconnect it from power and water before adjusting cleaning or repairing the unit PRESSURE CHANGES DURING USE Air may be getting in the water supply hose check all connections CONNECTIONS ARE LOOSE Retighten connections ALL CONNECTIONS ARE TIGHT Check that tip is free from debris and deposits Internal valves or seals may be worn or sticking contact a qualified technician Clean tip using the included Tip Cleaner I DETERGENT WILL NOT DISPENSE Verify that proper type of p
3. 1 80 O Ring Housing Seal 1 1 High Pressure Port 3 49 O Ring 1 Housing 17 Cap Check Valve 3 50 Valve Cover 1 e Switch amp Cord 1 18 O Ring 3 51 O Ring 1 82 Screw ST3 9x20 4 19 Spacer Pilot 3 52 Cap Retainer 1 83 Inner Strain Relief 2 20 Seal Oil Piston 3 53 Water Filler 1 84 Nut 1 21 O Ring 3 54 O Ring Housing Seal 1 85 O Ring 1 22 O Ring 1 55 Spring Piston Return 3 86 Screw 1 23 Steel Ball 2 56 Piston 3 87 Washer 1 24 Taper Spring 1 57 Return Piston Spring 3 88 Nut 1 25 Cross 1 58 Washer Bearing 1 89 Power Switch 1 26 Housing Piston 1 Bearing 90 Boot Rocker Switch 1 Cover Outlet 1 Needle Thrust f Enclosure Fixed Board Bearing Rocker Switch Boot Screw Cam Housing Outlet Pin Bearing Wheel Lever SealD Cover Wheel Tentacle h k h k d Axis C This part is included in the Motor Assembly C D This part is included in the Pump Assembly D F This part is included in the Housing F SKU 47761 For technical questions please call 1 800 444 3353 GFCI Power Cord Plug Troubleshooting section at end of manual PAGE 18 MAIN PARTS DIAGRAM C This part is included in the Motor Assembly C D These parts are included in the Pump Assembly D F These parts are included in the Housing F NOTE Some parts
4. a dry location and as far away as possible from the object being sprayed Keep all electrical connections dry and off the ground When using the Pressure Washer always maintain a firm grip on the Gun Assembly E with both hands Squeezing the Trigger of the Gun Assembly causes a kickback force Do not pull or carry the Power Washer by its Power Cord 95 or pull the Cord around sharp corners or edges Do not unplug the Power Washer by pulling on the Cord Keep the Cord away from heated surfaces Do not handle the GFCI Plug 95 with wet hands Avoid unintentional starting Make sure you are prepared to begin work before turning on the Pressure Washer The work area should have adequate drainage to reduce the possibility of a fall due to slippery surfaces This Pressure Washer is intended for outdoor residential use only For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual PAGE 20 21 22 23 24 SKU 47761 Some chemicals or detergents may be harmful if inhaled or ingested Use an ANSI approved respirator or mask whenever there is a chance that vapors may be inhaled Keep the High Pressure Hose connected to the Pressure Washer and Spray Gun while the system is pressurized Disconnecting the Pressure Hose while the unit is pressurized is dangerous and may cause injury Prior to starting the Pressure Washer in cold weather check all of the parts of the unit to make sure
5. are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 47761 For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual ae PARTS LIST AND DIAGRAM A Part Description Part Description 1A Casing Right E 18A O RingK 2A Casing Left E 19A NozzleX 3A SpringE 20A LamellaX 4A O RingE 21A Pink 5A Back Up RingE 22A U Pink 6A Piston ValveE 23A TriggerE 7A O RingE 24A Self Tapping ScrewE 8A SpringE K 25A Safety LockE O RingE K Valve BodyE Spray Wand Extension TurnbuckleE Spray Wand Blade Compressor O Ring Knob O Ring High Pressure Hose Jacket Jacket Connector Nut Coupling O Ring Coupling a oa o8 o4 M oa oa of a OD oaj oasalaja al lt wii kt e ce che se cal ns laaloa a ee PR lt E This part is included in the Trigger and Gun Assembly with High Pressure Hose E This part is also listed on the next page as the Spray Wand Ext J K This part is included in the Adjustable Spray Lance K aq NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts For technical questions please call 1 800 444 3353 SKU 47761 Troubleshooting section at end of manual PAGE 20 ASSEMBLY PARTS LIST AND DIAGRAM Assembly Description Q ty
6. based cleaners For technical questions please call 1 800 444 3353 PAGE 12 SKU 47761 Troubleshooting section at end of manual SKU 47761 SETUP CHECK THE WATER SUPPLY Prior to using the Pressure Washer for the first time itis ESSENTIAL to verify that the water supply is adequate The Pressure Washer needs TWICE the water supply or volume than the stated water output 1 6 GPM This Pressure Washer will need about 3 4 GPM to operate correctly and efficiently If the water is being supplied by a well pump make certain that the well pump produces enough water to keep up with the Pressure Washer s water demands Water supply hoses should be heavy duty to withstand the forces involved Water hoses up to 25 long must be ID Water hoses up to 50 long must be 3 4 ID Do not use hoses longer than 50 The more minerals in the water the harder the water you use the more often mineral buildup will need to be cleaned out from the nozzle Flow rate of the water supply must never be allowed to fall below 3 GPM To determine the water supply s flow rate Run the water at full for one minute into a 5 gallon container and measure the amount of water in the container CAUTION If the Pressure Washer is run with an inadequate water supply the pump will cavitate Cavitation causes the pump to operate loudly and will damage it ARRANGE FOR A PROPER ELECTRICAL SUPPLY This unit uses a large amount of current especially during
7. ice has not formed Do not store the unit anywhere that the temperature will fall below 32 F 0 C See Inspection Maintenance and Cleaning section for proper storage procedures Do not feed already pressurized water such as that from another pressure washer into this washer When dispensing detergent apply the detergent to the cleaning area at low pressure only Then spray the detergent off the cleaning area by using the adjustable Nozzle NOTICE Detergent dispensing only works when the Spray Lance is in the low pressure position The high pressure water flow can damage the work surface if not used properly Always test the spray in an open area first Never move the Pressure Washer by pulling on the High Pressure Hose Use the Handle provided on the top of the unit Never leave the Pressure Washer unattended when it is plugged into an electrical outlet Turn off the Pressure Washer and unplug it from its electrical outlet before leaving If water is leaking out of the Pressure Washer immediately shut off the unit Unplug the Pressure Washer and discharge all pressure before tightening fittings or having repair work done by a qualified technician N WARNING People with pacemakers should consult their physician s before using this product Operation of electrical equipment in close proximity to a heart pacemaker could cause interference or failure of the pacemaker WARNING The warnings and precautions disc
8. start up Connect this unit only to a dedicated household circuit capable of providing ample current to it A dedicated circuit has no additional loads running devices connected to it shut off any appliances or lights that dim or slow down while the washer is running For best results connect the plug to that circuit s outlet that is nearest to the circuit breaker panel MAKE SURE THE WASHER IS CLEAN AND READY FOR USE Ensure the inlet water strainer nozzle and the rest of the Washer are totally free of buildup or debris PLAN OUT THE JOB Plan out what areas will be cleaned how many sessions will be necessary and how long the individual sessions of work will need to be Plan to clean the higher portions first because the higher portions will typically remain cleaner while the other areas are cleaned Plan a safe direction for runoff to flow while the job is being performed and plan on working your way in that direction You will have a clearer idea of the time involved to clean the area after doing a test run as explained on page 15 3 PREPARE THE CLEANING AREA Clear the cleaning area of all objects that are not being cleaned If any water prone or delicate items cannot be moved protect or move them If detergent is to be used cover or remove any plants or animals that may be damaged by the chemicals in the cleaner PLACE THE PRESSURE WASHER IN AN APPROPRIATE LOCATION The location should be protected from any water from the clea
9. the tools should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body is grounded Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock Do not abuse the Power Cord Never use the Power Cord to carry the tools or pull the Plug from an outlet Keep the Power Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immediately Damaged Power Cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These extension cords are rated for outdoor use and reduce the risk of electric shock PERSONAL SAFETY Stay alert Watch what you are doing and use common sense when operating a power tool Do not use a power tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Avoid accidental starting Be sure the Power Switch is off before plugging in Carr
10. ANUAL You will need this manual for the safety warnings and precautions assembly oper ating inspection maintenance and cleaning procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep this manual and invoice in a safe and dry place for future reference SAFETY GENERAL SAFETY RULES IMPORTANT APETI INSTRUCTIONS READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed below may result in electric shock fire and or serious injury SAVE THESE INSTRUCTIONS WORK AREA bs Keep your work area clean and well lit Cluttered and dark work areas invite accidents 2 Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes 3 Keep bystanders children and visitors away while operating a power tool Distractions can cause you to lose control For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual PANES SKU 47761 SKU 47761 ELECTRICAL SAFETY Grounded tools must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances Never remove the grounding prong or modify the plug in any way Do not use any adapter plugs Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded If
11. CHICAGO JCal Power Tools PRESSURE WASHER WITH CART 1300 PSI Model 47761 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com TO PREVENT SERIOUS INJURY READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2005 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 Manual revised 07 05 Contents UNPACKING eect tects ccs eteectectncete sen tanencdeecdacee eceenterenecctimnaescecnes 2 SPECI C ATONNS seissen a eei aesa 3 SALY isis E 3 General Safety Rules sssssssssssssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnmnnn 3 Specific Safety Rules sssssssssssusnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 6 Ground ree aeaaeae eere aeaea Ean eaer EEEa EEEa 8 E E E E 10 Controls and Setup cccseesceccniccectasrcennrieentunwctendsnesmmemenenwnes 11 Controls and Features uuunnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna nnnn nnmnnn 11 ON o EA e amma T EEE 13 ODOR GOI ormona aaae a aiiai 14 OPS RATING TIPS ee vases etcetera i 15 Become Familiar With Your Machine ccccessseeseeeeeeeeeeeeeeeeeees 15 Use Proper Pressure Washer Operation Techniques 00 15 C
12. IANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY 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 For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual PAGE 21 SKU 47761 TROUBLESHOOTING IMPORTANT Be CERTAIN to shut off the Pressure Washer release all pressure in a safe manner and disconnect it from power and water before adjusting cleaning or repairing the unit PRESSURE WASHER STOPS SUDDENLY The thermal safety Switch may be tripped Switch the unit off and allow the unit to rest for 20 30 minutes and try again UNIT OPERATES NORMALLY AFTER START AFTER RESTING RESTING The following points should be Check the indicator on the GFCI power applied to help reduce the plug explained under Controls and frequency of rest periods Features 2 on page 11 NEVER ALLOW THE UNIT TO SIT IDLE FOR LONGER THAN 2 MINUTES Use proper operating techniques Review the Operating Tips section page 15 with the correct voltage see page 13 2 Dry self thoroughly Connect the plug to the outlet nearest and check the circuit totally dry then the circuit breaker panel andremoveany breaker on your Press reset button other loads that may be on the circuit household panel If GFCI continues If possible reduce the length of or to trip contact a elimi
13. STREAM NARROW STREAM QUICKER COVERAGE BUT DEEPER CLEANING BUT LIGHTER CLEANING SLOWER COVERAGE USE PROPER PRESSURE WASHER OPERATION TECHNIQUES The machine may suddenly stop and require a rest period from time to time this is normal and does not indicate a problem see Troubleshooting page 22 However certain use techniques may help reduce or even prevent the need for such rest periods increasing efficiency a SHUT OFF THE MACHINE IF THE UNIT IS TO SIT IDLE FOR MORE THAN 2 MINUTES Heat will build up within the unit as it draws current while recirculating the water If left for long enough it will overload the circuit it is powered by and trip the circuit breaker b Do not release the trigger between sweeps Release the trigger as few times as possible during use Interrupted or sporadic spraying will cause the unit to heat up quickly and will increase the need for rest periods c Make sure that all obstacles have been moved and the entire area is ready before starting d For small jobs try to finish an entire portion of the job before taking a break For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual PAARA SKU 47761 3a 3b SKU 47761 CLEANING RECOMMENDATIONS Clean an inconspicuous test area to help avoid damaging the surface Always begin with the fan spray at a distance of about 3 5 feet from the surface being cleaned to avoid damaging the surface of the objec
14. and steadily sweep the stream back and forth if a severe head on angle is used dirt may imbed in the surface being cleaned Follow a steady consistent pace during cleaning this will help prevent stripes or discoloration afterwards If streaking or uneven cleaning is noted at the end of a project go over the edges of the streaks with a wide fan pattern to help blend these lighter areas in If several different surfaces are to be cleaned be careful not to damage any of the less solid surfaces while trying to clean the harder ones This is especially a concern when cleaning tile and grout bricks and mortar or stones and mortar If wood is being cleaned be careful not to damage it Wood will usually require resurfacing Sanding and re coat with a surface protectant wood stain varnish after it has dried again Try to avoid leaving water on a wooden surface doing so can harm the surface For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual AAEN INSPECTION MAINTENANCE AND CLEANING A warnine Make sure that 1 the Trigger is locked in its off position 2 the Power Switch of the Pressure Washer is in its OFF position 3 the plug is unplugged from its electrical outlet 4 that the water supply is shut off and 5 all residual water pressure is safely expelled before performing any inspection maintenance or cleaning procedures Point the Gun Assembly E in a safe direction and disc
15. f the Cart Base A3 Then insert a Bolt A4 into the aligned holes and secure the Handle to the Base with the Wing Nuts A5 3 Attach the Accessory Holder B to the Cart Handle A1 by inserting the prongs of the Accessory Holder into the holes located in the upper rear portion of the Cart Handle Then slide the Accessory Holder Bands A2 down over the Accessory Holder rack to secure the Accessory Holder to the Cart ACCESSORY Handle HOLDER A BOLTS 4 Place the Pressure Washer unit B BAND A2 i A4 evenly onto the Cart Base A3 5 Insert the Pressure Washer accessories into the Accessory Holder B 6 Attach the Spray Wand Extension J to the Gun Assembly E by inserting the tip of the Wand into the Gun Collar Then push in firmly and rotate to secure the Wand to the Gun Pull on the wand to ensure itis FIGURE B properly attached to the gun See Figure C below 7 The Spray Lance K and Detergent Bottle H can be attached to the Spray Wand Extension J in the same manner by pushing in the accessory and rotating to secure the accessory to the Extension See Figure C SPRAY LANCE SPRAY EXTENSION J LANCE K GUN e ASSEMBLY 55 xD E T f DETERGENT BOTTLE H FIGURE C For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual SKU 47761 PAGE 10 8 Remove the protective plastic caps from the unit s water Inlet Port and FIGURE D water Ou
16. form Failure to follow this step can damage the Pump Test the cleaning capabilities and the run before starting your cleaning project as explained on page 16 1 Turn the Power Switch to the ON position The motor will briefly run when the switch is first turned on to build up pressure and then go to standby until the trigger is squeezed DO NOT ALLOW THE UNITTO REMAIN IDLE FOR MORE THAN A MINUTE OR TWO the unit will build up heat when it is on standby mode Point the Nozzle in a safe direction Then disengage the Safety and squeeze the Trigger 23A Switch the unit s switch to the OFF position whenever the gun is not in use Clean the area following the tips contained in the Operating Tips section When finished spraying fully engage the Trigger Safety Lock 25A turn the Power Switch to its OFF position and turn off the water supply WARNING Do not disconnect the high pressure hose or water inlet hose until all pressure is discharged safely IMPORTANT When turning off the unit after use high pressure will remain inside the unit its High Pressure Hose 26A and the water inlet hose Point the Gun Assembly E in a safe direction and hold the trigger down for several seconds Then release the Trigger 23A and remove the Spray Wand Extension J Hold the Trigger until water stops flowing from the gun The high pressure hose and water inlet hose can be disconnected after the pressure is released Store the press
17. harge all remaining pressure Then disconnect the Heavy Duty hose from the unit 2 Before each use inspect the general condition of the Pressure Washer Check for loose screws misalignment or binding of moving parts damaged electrical wiring damaged High Pressure Hose damaged accessories and any other condition that may affect its safe operation If abnormal noise or vibration occurs have the problem corrected before further use Do not use damaged equipment 3 To clean remove excess water from the Pump by tipping the unit on both sides to drain any remaining water from the inlet and outlet fittings Drain the Detergent Dispenser and flush with running water Use only a clean cloth and mild detergent to clean the body of the Pressure Washer Do not use solvents Remove the Inlet Filter and run water through it backwards to remove any debris Do not immerse any part of the tool in liquid Dry off any remaining water on all parts and fittings Then engage the Trigger Safety Lock Use the included Wire Tip Cleaner I to help remove mineral deposits from the nozzle The more minerals that are dissolved in the water the harder the water you use the more often mineral buildup will need to be cleaned out from inside the nozzle SPRAY LANCE K epee ee H o FIGURE I KNOB 16A TIP oo 4 STORAGE When storing always completely empty the Pressure Washer of water Frost will damage the Pressure Washer if the unit co
18. ion cord outdoors make sure it is marked with the suffix W A W in Canada to indicate it is acceptable for outdoor use 7 Make sure your extension cord is properly wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualified electrician before using it Protect your extension cords from sharp objects excessive heat and damp or wet areas Table A RECOMMENDED MINIMUM WIRE GAUGE FOR POWER CORDS 120 V NAMEPLATE AMPERES At Full Load POWER CORD LENGTH 25 50 Feet Feet OVER 50 FEET 12 1 16 0 14 Extension Cords must 16 1 20 0 12 10 NOT be used Based on limiting the line voltage drop to five volts at 150 of the rated amperes SYMBOLOGY Table B Double Insulated Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current A NO xxx min No Load Revolutions per Minute RPM For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual SKU 47761 PAGE 9 ASSEMBLY NOTE For additional references to the parts listed in the following pages refer to the Parts Diagrams on pages 18 21 1 Slide the Cart Handle A1 onto the Cart Base A3 making sure the holes in the upper portion of the Handle face toward the rear of the Cart See Figure B 2 Align the mounting holes located at the bottom of the Handle A1 with the mounting holes located at the top o
19. k area well lit Make sure there is adequate surrounding workspace Always keep the work area free of obstructions grease oil trash and other debris Do not use the Pressure Washer in areas near flammable chemicals dusts and vapors Maintain labels and nameplates on the Pressure Washer These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement N WARNING Risk of injection or severe injury Keep clear of Nozzle Do not direct discharge stream at people or animals Keep the work area clear of all people and animals Use the right product for the right job There are certain applications for which this product was designed Do not use small equipment tools or attachments to do the work of larger industrial equipment tools or attachments Do not use this product for a purpose for which it was not intended This product must continuously run with cold water only Never use hot water Dry running will cause serious damage to the seals Make sure the water supply used for the Pressure Washer is not dirty sandy and does not contain any corrosive chemical products To avoid electrical shock never start and run the Pressure Washer in the rain Never allow water to leak inside the Body of the Pressure Washer Do not direct discharge stream at the Pressure Washer itself or at other live electrical equipment Do not allow the GFCI Plug 95 to become wet Always place the GFCI Plug in
20. leaning Recommendations seeeeeeeeeeeseeseeeseeeeceeeeeees 16 Inspection Maintenance and Cleaning scsscesesseeeees 17 Parts Lists and Diagrams ccccceeseceseeeeeeeeeneeeeeeeeneesneeneeees 18 Main Parts LISU vasissseiaaaiissannusanntinenpsiieiunnaaannianisctanualiaeanliesnbuhsadivcabecadiins 18 Main Parts Diagram siissssscscnsssnnnnsssssicadueniacecnsbnadaaninnsmenssdcatasatedsanvaasitn 19 Parts List and Diagram A cccccceeeeeeseeee eens seen eeeeseeeeeeeeneeeeeeeeeeeeees 20 Assembly Parts List and Diagram cccccsssseesseeseeeeeeeeeeeeeeeeneeeeees 21 MPOUDISSMOOUING ssrin E 22 UNPACKING When unpacking check to make sure all the parts shown on the Parts Lists on pages 18 21 are included If any parts are missing or broken please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual ae SKU 47761 SPECIFICATIONS Electrical Requirements 120V 13 0 AMPs 60 Hz Single Phase Two Prong GFCI Plug U Power Cord Length Type _ 31 16AWG X 2C JL J LISTED Maximum Pressure ft300 PSI Maximum Capacity 1 6 GPM Water Supply Required 3 4 GPM minimum E193752 Lance Length 15 3 4 Gun Lance Length 13 1 4 High Pressure Hose Length 19 Ft Accessories 10 oz Detergent Bottle Tip Cleaner Cart Assembly Weight 25 1 Pounds SAVE THIS M
21. nate any extension cord used see certified electrician page 9 UNIT DOES NOT INDICATOR NOT RED INDICATOR APPEARS RED BREAKER NOT BREAKER TRIPPED TRIPPED Check for electrical shorts If no shorts are Have the unit inspected found reset breaker and repaired by a If breaker continues to trip try another circuit qualified technician or contact a certified electrician WATER LEAKING FROM WITHIN THE HOUSING Seals or gaskets may be worn or damaged Q Leaking water creates a shock hazard PROMPTLY have the unit inspected and repaired by a qualified technician If the steps above do not solve the problem or if the repairs involved are too complex contact a qualified technician SKU 47761 For technical questions please call 1 800 444 3353 PAGE 22 TROUBLESHOOTING CONTINUED IMPORTANT Be CERTAIN to shut off the Pressure Washer release all pressure in a safe manner and disconnect it from power and water before adjusting cleaning or repairing the unit PRESSURE WASHER WILL NOT START Dry self thoroughly and check the voltage at the outlet and the reset button on the GFCI power plug explained under Controls and Features 2 on page 11 POWER SUPPLY ADEQUATE AND RESET BUTTON SET PROPERLY POWER SUPPLY INADEQUATE RESET BUTTON NOT SET CORRECTLY Have a certified Setup the GFCI plug The Thermal safety Switch electrician correct as explained on may be tripped Switch the
22. ning area if possible select a location higher than the cleaning area The pressure washer s location should be close enough so that the hose will reach every portion of the job to be done with some slack for movement Also select an area with proper access to a dedicated circuit that can be reached with as short an extension cord as possible For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual oe 10 OPERATION Make sure the Power Switch is in the OFF position Attach the heavy duty hose to the Pressure Washer using the Heavy Duty Hose Adapter G Attach the Spray Lance K or Detergent Bottle H into the Spray Wand Extension 1 and press and twist the Wand into the Extension until the Wand locks in place See Figure C page 10 NOTE The Pressure Washer will not pressurize if the Nozzle is not completely assembled It will not work properly with only part of the Wand installed Connect the High Pressure Hose 26A to the Pressure Washer See Figure D Make sure all connections are tight Then open the water supply valve fully If leaks occur shut off water and retighten connections IMPORTANT Prior to turning on the Pressure Washer connect the unit to the water supply Turn on the water disengage the safety and squeeze the Trigger 23A until water flows out of the Gun Assembly E without sputtering This removes air from the system and allows the unit to properly per
23. ntains water Store the Pressure Washer indoors in a dry frost free room Minerals in the water can harden inside the workings Flush the unit with automotive antifreeze prior to long term storage Always dispose of antifreeze in accord with local ordinances For technical questions please call 1 800 444 3353 SKU 47761 Troubleshooting section at end of manual PAGE 17 PARTS LISTS AND DIAGRAMS MAIN PARTS LIST Part Description Q ty Part Description Q ty Part Description Q ty 1 Handle 1 33 Switches Special Use 1 65 Air Filter 1 2 Pump Head 1 34 Screw 9 66 PinP 2 3 Seal Piston Y Cup 3 35 Cap 1 67 Pump Body 1 4 Check Valve Inlet 3 36 Seal 1 68 GearP 1 5 O Ring 3 37 Slip On Receptacle 7 69 Bearing 1 6 Spring 3 38 Sleeve 8 70 Bolt ST3 9x25 7 7 Piston 3 39 Switch Box 1 71 Washer 4 140HV 7 8 Valve Cover 3 40 Cord Sleeve 1 72 Housing Inlet F 1 9 Screw M6 70 9 4 41 Cord 1 73 Mount Rubber 4 10 Bolt 1 42 Slip On Receptacle 1 74 Gear 1 11 O Ring Check Valve 3 43 Valve Shell 1 75 O Ring Housing Seal 1 12 Valve Cover 3 44 O Ring 1 76 Screw 4 13 Piston 3 45 Piston Return Spring 1 77 Motor 1 14 Spring 3 46 O Ring 1 78 Cover Motor 1 15 Check Valve Outlet 3 47 Valve Pole 1 79 Air Filter 1 O Ring 48 Y Ring
24. ord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal See Figure A 3 Your tool must be plugged into an appropriate outlet properly installed and grounded in accordance with all codes and ordinances The plug and outlet should look like that in the following illustration See Figure A 3 PRONG PLUG n LJ t ELECTRICAL OUTLET _ FIGURE A For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual Pie SKU 47761 EXTENSION CORDS 1 Grounded tools require a three wire extension cord 2 As the distance from the supply outlet increases you must use a heavier gauge extension cord Using extension cords with inadequately sized wire causes a serious drop in voltage resulting in loss of power and possible tool damage See Table A 3 The smaller the gauge number of the wire the greater the capacity of the cord For example a 14 gauge cord can carry a higher current than a 16 gauge cord WARNING Do not use 16 or 18 AWG extension cords on this product 4 When using more than one extension cord to make up the total length make sure each cord contains at least the minimum wire size required See Table A 5 If you are using one extension cord for more than one tool add the nameplate amperes and use the sum to determine the required minimum cord size See Table A 6 If you are using an extens
25. ressure washer detergent is being used see page 12 5 NON PRESSURE WASHER DETERGENT USED CORRECT DETERGENT USED Open the Detergent Open the Detergent Bottle Bottle H and rinse it H and check that the out thoroughly Refill suction tube is not bent or with correct detergent pinched If the steps above do not solve the problem or if the repairs involved are too complex contact a qualified technician SKU 47761 For technical questions please call 1 800 444 3353 PAGE 24
26. sories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of reach of children and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep tools clean Properly maintained tools are easier to control Do not use a damaged tool Tag damaged tools Do not use until repaired Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tool s operation If damaged have the tool serviced before using Many accidents are caused by poorly maintained tools Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool SERVICE Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a tool use only identical replacement parts Follow instructions in the Inspection Maintenance and Cleaning section of this manual Use of unauthorized parts or failure to follow maintenance instructions may create a risk of electric shock or injury For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual PARER 10 11 SKU 47761 SPECIFIC SAFETY RULES Maintain a safe working environment Keep the wor
27. t Make sure that the test area is clear of people and water prone delicate objects If a pressure washing detergent is to be used apply the detergent to this area as well After cleaning this area switch off the pressure washer and inspect the area carefully for any damage or discoloration If any damage is noted from the pressure setting use a lighter setting when cleaning the rest of the area If damage or discoloration is noted from the detergent do not use it when cleaning First pass over the area with a light cleaning and then more thoroughly clean it For a vertical or sloped surface a Wash from the top down b If possible direct the stream in the same direction as the slope towards a draining area This will enable better drainage and therefore better cleaning For a flat surface a lfathin layer of water accumulates on the surface periodically use the stream to direct this water towards the drainage b After the major cleaning is done sweep the surface with the stream to help direct loose debris toward the drainage If detergent is to be applied Only use pressure washing detergent other detergents might clog or damage the pressure washer Apply the detergent at low pressure by using the Detergent Bottle H Allow the detergent several minutes to sit and soak into the work surface this will improve cleaning efficiency Make certain to rinse off all detergent completely Hold the Gun Assembly at about a 45 angle
28. tlet Port See Figure D HEAVY DUTY HOSE ADAPTER 9 Ensure the inlet water strainer is free of debris Firmly attach the Heavy Duty Hose Adapter G to the water Inlet Port 10 Firmly attach the High Pressure Hose 26A to the water Outlet Port HIGH PRESSURE HOSE 26A CONTROLS AND SETUP Note Familiarize yourself with the location and function of all of the machine s controls before proceeding to setup of the machine CONTROLS AND FEATURES i The Pressure Washer features an automatic On Off Micro Switch The Motor C of the Pressure Washer does not run continuously but only when the Trigger 23A is squeezed When spraying water through the unit stops the Motor will automatically shut off However the unit will build up heat while idle If the unit is left to sit then the electrical circuits beaker will eventually trip For this reason if the unit is not to be used for longer than 2 minutes shut the Switch to OFP 2 The Pressure Washer features a 3 Prong Ground Fault Circuit Interrupter GFCI Power Plug 95 The GFCI Power Plug provides additional protection from the risk of electrical shock Make sure that the Trigger 23A is released before plugging in Plug the RED GFCI Power Plug into a grounded 120 INDICATOR volt electrical outlet Press the TEST button and then the RESET button The indicator on the Power Plug should appear red If the indicator is not red have the power plug inspected b
29. ure washer and all accessories in accord with the directions under Storage on page 17 IF ANY UNEXPECTED PROBLEMS ARISE PLEASE REFER TO THE SKU 47761 TROUBLESHOOTING SECTION AT THE END OF THIS MANUAL For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual PAGE 14 IMPORTANT NEVER ALLOW THE UNITTO SIT IDLE WITH THE SWITCH ON FOR LONGER THAN TWO MINUTES OPERATINGTIPS BECOME FAMILIAR WITH YOUR MACHINE th Before beginning work set aside enough time to familiarize yourself with this machine s cleaning rate and capacity along with all instructions and precautions contained in this section along with the Operating Instruction and Operating Controls sections 2 This unit is intended for various light to moderate cleaning applications If deeper cleaning is desired it can be attained at times however this is done at the expense of speed This unit is not intended for paint stripping or deep concrete cleaning applications 3 Clean a test area to satisfaction before proceeding with the entire area as stated in Cleaning Recommendations on the next page Use this area to approximate the amount of time required for the project Be certain to factor in time for touch ups and cleanup after the general cleaning is finished 4 This unit has several settings and adjustments that effect the speed of cleaning and the water force applied to cleaning Good guidelines to keep in mind are WIDE
30. ussed in this 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 SAVE THESE INSTRUCTIONS For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual ee GROUNDING A WARNING Improperly connecting the grounding wire can result in the risk of electric shock Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded Do not modify the power cord plug provided with the tool Never remove the grounding prong from the plug Do not use the tool if the power cord or plug is damaged If damaged have it repaired by a service facility before use If the plug will not fit the outlet have a proper outlet installed by a qualified electrician GROUNDED TOOLS TOOLS WITH THREE PRONG PLUGS iF Tools marked with Grounding Required have a three wire cord and three prong grounding plug The plug must be connected to a properly grounded outlet If the tool should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user reducing the risk of electric shock See Figure A next page 2 The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the tool The green wire in the c
31. y a qualified electrician Never attempt to alter or disable the GFCI Power Plug Should replacement of the GFCI Power GFCI POWER PLUG 95 FIGURE E For technical questions please call 1 800 444 3353 SKU 47761 Troubleshooting section at end of manual PAGE 11 Plug become necessary only a qualified technician should perform the service See Figure E 3 The Pressure Washer is equipped with a Trigger Safety Lock 25A When the Trigger 23A is not squeezed the Safety Lock should be pressed all the way in to help prevent children from using the tool To disengage the Safety Lock press the opposite side See Figure F SAFETY TRIGGER LOCK 25A FIGURE F 4 The Knob 16A on the Spray Lance K can be rotated for a range of spray patterns from a full fan spray to a direct stream spray See Figure G Pattern Adjustment LANCE K FIGURE G 5 The Detergent Bottle H allows the application of pressure washing detergent not included onto the work surface When filling the Detergent Bottle with pressure washing detergent do not exceed 10 ounces of detergent The Pressure Washer will automatically mix the detergent and water Note Do not add water to the Detergent Dispenser CAUTION NEVER use any products not designed for pressure washer use nor any products with bleach chlorine or any other corrosive materials including liquids containing solvents trisodium phosphate products ammonia or acid
32. ying power tools with your finger on the Power Switch or plugging in power tools with the Power Switch on invites accidents Remove adjusting keys or wrenches before turning the power tool on A wrench or a key that is left attached to a rotating part of the power tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the power tool in unexpected situations For technical questions please call 1 800 444 3353 Troubleshooting section at end of manual ees SKU 47761 Use safety equipment Always wear eye protection Nonskid safety shoes hard hat or hearing protection must be used for appropriate conditions Always wear ANSI approved safety impact goggles and thick rubber boots during use and maintenance TOOL USE AND CARE Use clamps not included or other practical ways to secure and support a smaller workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control Do not force the tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use the power tool if the Power Switch does not turn it on or off Any tool that cannot be controlled with the Power Switch is dangerous and must be replaced Disconnect the Power Cord Plug from the power source before making any adjustments changing acces
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