Maddox ML11 User manual
M L11
Visit our website at: http://www.harborfreight.com
Refillable
Pressurized Sprayer
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 (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. 22f
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©2022 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.
Page 2 For technical questions, please call 1-888-866-5797. Item 59544
WARNING SYMBOLS AND DEFINITIONS
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that follow
this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Addresses practices not related to personal injury.
IMPORTANT SAFETY INFORMATION
Read all safety warnings and instructions.
Failure to follow the warnings and instructions may result in serious injury.
Work Area
1. Keep your work area clean and well lit.
Cluttered dark areas invite accidents.
2. Keep bystanders, children, and visitors
away while operating the Sprayer.
Distractions can cause you to lose control.
Personal Safety
1. Follow all guidelines regarding
chemicals sprayed, including MSDS
instructions and EPA regulations.
2. Stay alert. Watch what you are doing and use
common sense when operating the Sprayer.
Do not use the Sprayer while tired or under
the influence of drugs, alcohol, or medication.
A moment of inattention while operating the
Sprayer may result in serious personal injury.
3. Dress properly. Do not wear loose clothing or
jewelry. Contain long hair. Loose clothes, jewelry,
or long hair can be caught in moving parts.
4. Do not overreach. Keep proper
footing and balance at all times.
Proper footing and balance enable better
control of the tool in unexpected situations.
5. Always wear eye protection.
Wear ANSI-approved safety goggles.
Page 3For technical questions, please call 1-888-866-5797.Item 59544
Use
1. Use only with non flammable cleaners,
degreasers, penetrating oils, solvents,
and lubricants. Not for use with
water, or water based materials.
2. Release pressure in Bottle by depressing
the Trigger or Valve Stem before loosening
or removing parts. Contents are under
pressure and may spurt forcefully.
3. Do not point the Sprayer at yourself,
other people or animals.
4. Do not allow access to treated
areas by people or animals.
5. Industrial applications must follow
OSHA requirements.
6. Make sure the liquid used in the
Sprayer is not dirty or sandy.
7. This product is not a toy. Do not allow
children to play with or near this item.
8. Use as intended only.
9. Inspect before every use; do not use
if parts are loose or damaged.
10. Before filling, depress trigger to ensure that
it operates properly and does not stick.
11. Maintain product labels and nameplates.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
12. The warnings and cautions discussed in this
manual cannot cover all possible conditions
and situations that may occur. The operator
must understand that common sense and
caution are factors that cannot be built into this
product, but must be supplied by the operator.
Service
1. Have your Sprayer serviced by a qualified repair
person using only identical replacement parts.
This will ensure that the safety
of the tool is maintained.
2. Store idle tools and equipment out of
reach of children and other untrained
people. Tools and equipment are dangerous
in the hands of untrained users.
3. Maintain the Sprayer with care. Keep
this product clean. A properly maintained
Sprayer is easier to control.
SAVE THESE INSTRUCTIONS.
Page 4 For technical questions, please call 1-888-866-5797. Item 59544
Specifications
Maximum Air Pressure 200 PSI
Operating Pressure 80-150 PSI
Capacity 32 oz.
Components and Controls
Trigger
Filler Valve
Filler Cap
Pin Stream
Nozzle
Valve Seat
Adapter
Bottle
Page 5For technical questions, please call 1-888-866-5797.Item 59544
Operating Instructions
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this document
including all text under subheadings therein before set up or use of this product.
Inspect Sprayer before use, looking for damaged, loose, and missing parts.
If any problems are found, do not use Sprayer until repaired.
Follow all guidelines regarding chemicals sprayed, including MSDS instructions and EPA regulations.
Release pressure in Bottle by depressing the Trigger or Valve Stem.
Contents are under pressure and may spurt forcefully.
1. Before filling, depress trigger to ensure that
it operates properly and does not stick.
2. Loosen and remove the Filler Cap.
3. Pour liquid into the Bottle’s top opening.
Fill no higher than 2/3 full.
CAUTION! Use only with non flammable
cleaners, degreasers, penetrating oils,
solvents, and lubricants. Not for use with
water, or water based materials.
4. Insert the Filler Cap back into the
top of the Bottle and tighten.
5. Place air chuck (sold separately) on Valve
Stem to charge Bottle to 80-150 PSI.
CAUTION! Maximum pressure
should not exceed 200 PSI.
6. Depress the Trigger to begin spraying.
7. The Sprayer will depressurize during operation.
When the decreased pressure affects the spray
pattern, use an air chuck (sold separately)
to recharge the Bottle until proper pressure
is achieved, then resume spraying.
Note: The spray pattern can be changed
from diffuse to a pin stream.
8. To change spray pattern from diffuse to a
pin stream; unscrew the Pin Stream Nozzle,
remove the Spray Nozzle, then reattach
the Pin Stream Nozzle and tighten.
9. When finished spraying:
• Depressurize the Sprayer.
• Dispose of liquid.
• Clean the Sprayer according to
Maintenance Instructions.
• Store Sprayer indoors out
of children’s reach.
Page 6 For technical questions, please call 1-888-866-5797. Item 59544
Inspection, Maintenance, and Cleaning
Procedures not specifically explained in this manual must
be performed only by a qualified technician.
Do not use damaged equipment. If abnormal noise, vibration, or
leaking air occurs, have the problem corrected before further use.
Follow all guidelines regarding chemicals sprayed, including MSDS instructions and EPA regulations.
Release pressure in Bottle by depressing Trigger or Valve Stem.
Contents are under pressure and may spurt forcefully.
1. BEFORE EACH USE, inspect the general
condition of the Sprayer. Check for:
• loose hardware
• misalignment or binding of moving parts
• cracked or broken parts
• any other condition that may
affect its safe operation
2. AFTER EVERY USE, clean the Sprayer:
a. Follow chemical manufacturer’s
clean up instructions
b. Allow to air-dry.
3. PERIODICALLY, lubricate all moving parts
of the Sprayer with petroleum jelly.
4. Store the Sprayer in a safe, dry, clean location
out of reach of children and out of sunlight.
Troubleshooting
Problem Possible Causes Likely Solutions
Unit does not spray
1. Not enough liquid in Bottle.
2. Filler Cap is loose.
3. Sprayer not pressurized.
4. Nozzle is clogged.
1. Add liquid to Bottle (fill 2/3 max).
2. Tighten Filler Cap.
3. Place air chuck (sold separately) on Valve
Stem to charge Bottle to 80-150 PSI.
4. Disassemble, clean, then reassemble Nozzle.
Spray pattern is
undesirable
1. Nozzle needs adjustment.
2. Spray fluid contains
particles or sand.
3. Nozzle is clogged.
1. Remove Spray Nozzle (2) to
change to a Pin Stream.
2. Disassemble, clean, then reassemble
Nozzle. Empty, clean, then refill
bottle with properly strained fluid.
3. Disassemble, clean, then reassemble Nozzle.
Follow all safety precautions whenever diagnosing or servicing the Sprayer.
Record Product’s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available
individually as replacement parts. Specify UPC 193175473745 when ordering parts.
Page 7For technical questions, please call 1-888-866-5797.Item 59544
Parts List and Diagram
Part Description Qty
1 Pin Stream Nozzle 1
2 Spray Nozzle 1
3 Head Washer 1
4Valve Seat Adaptor 1
5 Inner Washer 1
6 Valve 1
7 Valve Spring 1
8 Cap 1
Part Description Qty
9 Filler Valve 1
10 Filler Cap 1
11 Cap Gasket 1
12 Bottle 1
13 Sealing Washer 1
14 Guiding Nut 1
15 Trigger 1
16 Cotter Pin 1
26677 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY
DIAGRAM IN THIS DOCUMENT 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 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 THERETO,
OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability
standards, and warrants to the original purchaser that this product is free from defects in materials
and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to
damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside
our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance.
We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent,
special or consequential damages arising from the use of our product. Some states do not allow the
exclusion 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 explanation of the complaint must accompany the merchandise.
If our inspection verifies the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
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