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RETURNS NOT ACCEPTED 

& WARRANTY VOID 

if Sprayer is not properly cleaned 

immediately after every use.

Clean Sprayer immediately after 

use to prevent permanent damage.

Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

Owner’s Manual & Safety Instructions

Save This Manual

 

Keep this manual for the safety warnings and precautions, assembly, 

operating, inspection, maintenance and cleaning procedures.  Write the product’s serial number in the 
back of the manual near the assembly diagram (or month and year of purchase if product has no number). 
Keep this manual and the receipt in a safe and dry place for future reference. 

20i

When unpacking, make sure that the product is intact 

and undamaged.  If any parts are missing or broken, 

please call 1-888-866-5797 as soon as possible.

Copyright

©

 2020 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.  

Diagrams within this manual may not be drawn proportionally.  Due to continuing 

improvements, actual product may differ slightly from the product described herein.  

Tools required for assembly and service may not be included.

Read this material before using this product. 
Failure to do so can result in serious injury. 
SAVE THIS MANUAL.

Summary of Contents for Avanti 57042

Page 1: ...o number Keep this manual and the receipt in a safe and dry place for future reference 20i When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2020 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 witho...

Page 2: ...ials near an open flame or sources of ignition such as cigarettes motors and electrical equipment b For units intended for use with only water based or mineral spirit type materials with a minimum flash point of 38 C 100 F Do not spray or clean with liquids having a flash point less than 38 C 100 F c Paint or solvent flowing through the equipment is able to result in static electricity Static electric...

Page 3: ...for signs of damage Replace any damaged hoses or parts i This system is capable of producing 3000 psi Only use replacement parts or accessories that are specified by the manufacturer and that are rated a minimum of 3000 psi j Always engage the trigger lock when not spraying Verify the trigger lock is functioning properly k Verify that all connections are secure before operating the unit l Know how ...

Page 4: ...f drugs alcohol or medication A moment of inattention while operating the tool increases the risk of injury to persons 2 Dress properly Do not wear loose clothing or jewelry Contain long hair Keep hair clothing and gloves away from moving parts Loose clothes jewelry or long hair increases the risk of injury to persons as a result of being caught in moving parts 3 Avoid unintentional starting Be su...

Page 5: ...terials in vicinity of open flame or near ignition sources Motors electrical equipment and controls can cause electrical arcs that will ignite a flammable gas or vapor Do not store flammable liquids or gases in vicinity of this unit 4 Do not come into contact with a fluid stream created by a leak in the paint hose 5 Do not leave Paint Sprayer pressurized while unattended 6 Do not clean Spray Gun t...

Page 6: ...cal regulations regarding the use of fluid supply containers and solvent pails used with flushing the Paint Sprayer Use only conductive metal pails placed on a grounded concrete surface Do not place pails on nonconductive surfaces such as cardboard or paper Ground all metal pails by clamping one end of a ground wire to the pail and the other end to a grounded structure such as a nearby pipe Mainta...

Page 7: ...or 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 sprayer 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 highe...

Page 8: ... X X X Symbology Symbol Property or Statement V Volts Alternating Current A Amperes PSI Pounds per square inch of pressure CFM Cubic Feet per Minute flow SCFM Cubic Feet per Minute flow at standard conditions NPT National pipe thread tapered NPS National pipe thread straight Symbol Property or Statement WARNING marking concerning Risk of Eye Injury Wear ANSI approved eye protection WARNING marking...

Page 9: ... IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Components and Controls Spray Hose Spray Gun Prime Spray Valve Suction Hose Prime Button Priming Hose Power ...

Page 10: ...vering Inlet Valve b Attach Suction Hose to Inlet Valve Secure with Clamp c Attach Priming Hose to Outlet Valve Secure with Clamp Inlet Valve Suction Hose Clamp Clamp Priming Hose Outlet Valve 3 Attach Spray Hose Attach Spray Hose to Spray Hose Outlet Tighten securely with included wrench Spray Hose Spray Hose Outlet 4 Install Filter in Spray Gun a For water based paints use pre installed 60 mesh ...

Page 11: ...fore use looking for damaged loose and missing parts If any problems are found do not use tool until repaired Lock Unlock Trigger WARNING TO PREVENT SERIOUS INJURY Risk of Injection Set Trigger Lock when Spray Gun not in use 1 Rotate Trigger Lock all the way back to lock Trigger 2 Rotate Trigger Lock forward to unlock Trigger Trigger Lock Depressurize Sprayer WARNING TO PREVENT SERIOUS INJURY Risk...

Page 12: ... TO PREVENT SERIOUS INJURY Only water based materials or materials with a minimum flash point of 38 C 100 F should be used for spraying and cleaning Only use water or mineral spirits for priming and cleaning Only use water based or oil based paint for spraying Prime with Solvent WARNING To prevent high pressure solvent or paint splatter remove Nozzle Guard and Spray Tip according to Spray Tip and N...

Page 13: ...n Hose Priming Hose Paint Waste 7 Prime Pump a Turn Pressure Knob to PRIME CLEAN indicator b Rotate PRIME SPRAY Valve to PRIME position c Turn Power Switch on Pump will start If pump does not start turn Pressure Knob clockwise until it starts d When solvent has been purged and paint begins to flow out of Priming Hose rotate PRIME SPRAY Valve to SPRAY position Pump will cycle on then stop 8 Prime S...

Page 14: ...eight com 32 oz Storage Fluid 50 Spray Hose 513 Spray Tip 515 Spray Tip 517 Spray Tip Quick Clean Faucet Adaptor Spray Gun Nozzle Guard 20 Tip Extension 60 Mesh Coarse Spray Gun Filter 100 Mesh Fine Spray Gun Filter Repair and Service Parts Parts are available by calling 1 888 866 5797 or emailing productsupport harborfreight com 25 Spray Hose Suction Set Prime Spray Valve Repair Kit Outlet Valve ...

Page 15: ...oke release the Trigger while still moving the Spray Gun and after passing the workpiece Before use the Sprayer must be primed according to Priming on page 12 Note Remove or cover objects that you want to protect from overspray and paint mist 1 Attach Nozzle Guard and Spray Tip according to Spray Tip and Nozzle Guard on page 19 2 Rotate PRIME SPRAY Valve to SPRAY position 3 Turn Pressure Knob to H...

Page 16: ...ce Priming Hose on bottom of waste container Suction Hose Priming Hose Solvent Waste 9 Fill solvent container with enough solvent to cover filter by 4 Water for water based paint Mineral spirits for oil based paint 10 Place Nozzle Guard Spray Tip and Seal in small container of Soap and water for water based paint Mineral spirits for oil based paint 11 Clean Pump a Turn Pressure Knob to PRIME CLEAN...

Page 17: ... of reach of children If Sprayer will not be used for longer than 48 hours store according to Long Term Storage on page 17 NOTE Dispose of solvent paint and waste according to local hazardous waste standards Long Term Storage 1 Clean Sprayer according to User Maintenance Instructions on page 16 2 Depressurize Sprayer according to Depressurize Sprayer on page 11 3 Designate storage area in a clean ...

Page 18: ...erforming any inspection or maintenance procedures TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged equipment If abnormal noise vibration or leaking air occurs have the problem corrected before further use 1 BEFORE EACH USE inspect the general condition of the tool Check for loose hardware misalignment or binding of moving parts damaged cord electrical wiring damaged Nozzle Guard or ...

Page 19: ...o align Seal SPRAY 3 Remove Tip then thread Nozzle Guard onto Spray Gun Turn nut by hand until almost tight then holding nut and Nozzle Guard together tighten completely Do not overtighten Attach horizontally for horizontal spray pattern Attach vertically for vertical spray pattern 4 Install Tip into Nozzle Guard then rotate until SPRAY end is facing forward SPRAY Remove 1 During operation Remove ...

Page 20: ...even or hesitant motion of spray gun 4 Excess overlapping of each spray stroke 1 Apply thinner coats allowing paint to get tacky between coats 2 Move spray gun further back from paint surface when applying paint 3 Keep spray gun moving during painting Hesitations can cause sags or runs 4 Overlap each stroke to keep the coverage even but be aware that you are adding coat thickness by overlapping Bl...

Page 21: ...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 TECHNICIANS 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 THERE...

Page 22: ...rm Unit 1 24 Eccentric Gear Assembly 1 25 Washer 1 26 Motor 1 27 Drain Housing 1 28 Bottom Housing 1 29 Power Switch Cover 1 30 Power Switch 1 31 Wire 1 32 Metal Support 1 1 33 Axle 1 34 Tire 2 35 C Clip 2 36 Wheel Support 2 Part Description Qty 37 Nut 2 38 Screw 2 39 Metal Support 2 1 40 Hose Storage 1 41 Ball Head Plunger Rod 1 42 O Ring 1 43 Plunger Rod 1 44 V Ring Unit 1 45 Plunger Positioning...

Page 23: ...d immediately after every use Clean Sprayer immediately to prevent permanent damage SAFETY OPERATION MAINTENANCE SETUP Assembly Diagram 2 1 3 4 5 6 7 8 9 10 11 12 14 17 18 19 20 21 22 23 24 25 26 67 68 70 69 15 16 27 29 30 31 32 33 40 35 34 36 37 38 39 28 41 42 43 44 45 46 47 48 49 50 51 52 53 54 60 61 62 63 64 65 66 55 56 57 59 58 13 71 ...

Page 24: ...lusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an expl...

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