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For technical questions, please call 1-800-444-3353.

SKU 94573 

        

do not overreach.  

3. 

Keep proper footing 

and balance at all times.  Proper footing 

and balance enables better control of the 

Sprayer in unexpected situations.

Wear eye, breathing, and skin 

4. 

protection.  

Wear ANSI approved safety 

impact goggles, a NIOSH-approved 

respirator, latex gloves, and proper 

safety clothing when using this product.

TOOL uSE And CARE

do not force the Sprayer.  

1. 

Use the 

correct product for your application.  The 

correct product will do the job better and 

safer at the rate for which it is designed.

Store idle tools and equipment out of 

2. 

reach of children and other untrained 

people.  

Tools and equipment are 

dangerous in the hands of untrained 

users.

Maintain the Sprayer with care.  

3. 

Keep this product clean.  A properly 

maintained tool is easier to control.  Do 

not use damaged tools and equipment. 

Tag damaged tools and equipment “Do 

not use” until repaired.

Check for misalignment or binding 

4. 

of moving parts, loose or broken 

parts, and any other condition that 

may affect the Sprayer’s operation.  

If damaged, have the Sprayer serviced 

before using.  Many accidents are 

caused by poorly maintained tools and 

equipment.

use only accessories that are 

5. 

recommended by the manufacturer 

for your model.  

Accessories that may 

be suitable for one product may become 

hazardous when used on another 

product.

SERVICE

Product service must be performed 

1. 

only by qualified service technician.  

Service or maintenance performed by 

unqualified personnel could result in a 

risk of injury.

When servicing the Sprayer, use 

2. 

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.

SPECIFIC SAFETY RuLES

Maintain labels and nameplates on 

1. 

the Sprayer.  

These carry important 

information.  If unreadable or missing, 

contact Harbor Freight Tools for a 

replacement.

use the right product for the job.  

2. 

There are certain applications for which 

this product was designed.  Do not use 

small tools, equipment, or attachments 

to do the work of larger industrial tools, 

equipment, or attachments.  Do not use 

this product for a purpose for which it 

was not intended.

Industrial applications must follow 

3. 

OShA requirements.
Store idle tools.  

4. 

When not in use, store 

the Sprayer in a clean, dry, safe location 

out of reach of children.

This Sprayer is intended to be used 

5. 

only with water, liquid fertilizers, 

liquid herbicides, and liquid 

pesticides.  never attempt to spray 

flammable, combustible, or corrosive 

liquids with the Sprayer.

Summary of Contents for BACKPACK SPRAYER 94573

Page 1: ...ll 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 For ...

Page 2: ...hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury GENERAL SAFETY RULES WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in electric shock fir...

Page 3: ...re 5 recommended by the manufacturer for your model Accessories that may be suitable for one product may become hazardous when used on another product SERVICE Product service must be performed 1 only by qualified service technician Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing the Sprayer use 2 only identical replacement parts Follow inst...

Page 4: ...zed Prior to refilling or emptying the Tank squeeze the Trigger on the Spray Gun Assembly to completely depressurize the system Prior to starting the Sprayer in cold 15 weather check all of the parts of the tool to make sure ice has not formed Do not store the Sprayer where the temperature will fall below 32 Fahrenheit Do not keep water or any liquid 16 chemicals in the Sprayer after use Make sure...

Page 5: ...l double insulation system which satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories Inc the Canadian Standard Association and the National Electrical Code See Outlets for 2 Prong Plug Double insulated tools may be used in 2 either of the 120 volt outlets shown in the preceding illustration See Outlets for 2 Prong Plug Extension Cords Note Extension ...

Page 6: ... charge the Battery 51 for longer than 8 hours as damage to the Battery and or Sprayer will occur CHARGER 63 CHARGING PLUG POWER SWITCH 58 FIGURE E CHARGE FOR 8 HOURS DO NOT OVERCHARGE 2 To charge the Battery 51 Turn the Power Switch 58 to its OFF position See Figure E Insert the chrome Charging Plug of 3 the Charger 63 into the Charging Receptacle of the Sprayer Make sure to screw the chrome Char...

Page 7: ...aying of herbicides and pesticides Follow the wind and move in a parallel manner on one side while spraying See Figure G FOUR HOLE ADJUSTABLE NOZZLE 62 FIGURE H c Four Hole Adjustable Nozzle 62 Designed for spraying high crops and fruit trees and the spraying of pesticides However the Adjustable Nozzle may result in significant overspray of pesticides See Figure H FIGURE I CONICAL MIST NOZZLE 65 d...

Page 8: ...e Trigger Lock 16 To do so move the Trigger Lock backward toward the Handle 21 To return to manual operation move the Trigger Lock forward toward the Spray Rod 9 See Figure L As you spray the system will begin to 3 depressurize When the distance of the spray diminishes you will need to stop spraying momentarily Allow the Sprayer to re pressurize its system before spraying again If it becomes neces...

Page 9: ...hemicals in a safe dry clean location out of reach of children and other unauthorized people CAUTION 4 All maintenance service and repairs not discussed in this manual should only be performed by a qualified service technician TROUBLESHOOTING Problem Possible Solution Unit does not spray Fully charge the battery 1 Fill the tank 2 Firmly tighten the Tank Cap and secure all connections on the tank a...

Page 10: ... 25 Caster 4 26 Screw M5 x 20 4 27 Flat Washer 5 4 28 Nut M5 4 29 Protection Cover 1 30 Base 1 31 Countersink Screw M5 x 15 1 32 Tube Clamp 1 33 Inlet Tube 1 Part Description Qty 34 Mini Pump 1 35 Tube Coupling 1 36 O Ring 1 37 Inlet Coupling 1 38 Screen Frame 1 39 Screen Cover 1 40 Vent Valve 1 41 Tank Cap 1 42 Tank Filter 1 43 Barrel 1 44 Strap Clamp 2 45 Back Strap 2 46 Shoulder Cushion 2 47 St...

Page 11: ... 27 26 25 29 32 33 54 55 50 49 48 47 46 45 43 44 42 41 40 34 35 37 38 39 53 52 51 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 18 20 21 22 23 24 64 65 36 15 19 ASSEMBLY DIAGRAM NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts Rev 10d ...

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