Harbor Freight Tools 99741 User Manual
1600 PSI
PRESSURE WASHER
99741
SET UP AND OPERATING INSTRUCTIONS
Holster (10) not shown.
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© 2008 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.
For technical questions or replacement parts, please call 1-800-444-3353.
CONTENTS
OPERATION ................................ 12
IMPORTANT SAFETY
INFORMATION ............................ 3
GENERAL PRESSURE WASHER
SAFETY WARNINGS.......................3
SPECIFIC PRESSURE WASHER
SAFETY WARNINGS.......................5
VIBRATION SAFETY .........................7
GROUNDING ................................. 8
SYMBOLOGY .....................................8
SPECIFICATIONS .......................... 9
UNPACKING .................................. 9
ASSEMBLY .................................... 9
CONTROLS AND SETUP ............ 10
CONTROLS AND FEATURES .........10
OPERATING TIPS ....................... 14
BECOME FAMILIAR WITH YOUR
MACHINE: .....................................14
USE PROPER PRESSURE
WASHER OPERATION
TECHNIQUES: ...............................14
CLEANING RECOMMENDATIONS . 14
INSPECTION, MAINTENANCE,
AND CLEANING ........................ 16
LIMITED 1 YEAR / 90 DAY
WARRANTY .............................. 17
PARTS LIST ................................. 18
ASSEMBLY DIAGRAM ................ 19
TROUBLESHOOTING ................. 20
SETUP .............................................. 11
SKU 99741 PAGE 2
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
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.
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 Pressure Washer Safety
Warnings
IMPORTANT SAFETY
INFORMATION
In this manual, on the labeling,
and all other information provided with this product:
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.
DANGER indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
WARNING
indicates a
hazardous situation which, if
not avoided, could result in
death or serious injury.
WARNING Read all safety
warnings and instructions.
Failure to follow the warnings and
instructions may result in electric
shock, re and/or serious injury.
Save all warnings and
instructions for future reference.
Work area safety
Keep work area clean and well lit. 1.
Cluttered or dark areas invite accidents.
Do not operate pressure washers in 2.
explosive atmospheres, such as in
the presence of ammable liquids,
gases or dust. Pressure washers
create sparks which may ignite the
dust or fumes.
Keep children and bystanders away 3.
while operating a pressure washer.
Distractions can cause you to lose
control.
Electrical safety
CAUTION, used
with the safety
alert symbol, indicates a
hazardous situation which, if
not avoided, could result in
minor or moderate injury.
SKU 99741 PAGE 3
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
Pressure washer plugs must match 1.
the outlet. Never modify the plug in
any way. Do not use any adapter
plugs with grounded pressure washers. Unmodied plugs and match-
ing outlets will reduce risk of electric
shock.
Avoid body contact with grounded 2.
surfaces such as pipes, radiators,
ranges and refrigerators. There is an
increased risk of electric shock if your
body is grounded.
Do not expose pressure washers to 3.
rain or wet conditions. Water entering a pressure washer will increase
the risk of electric shock.
Do not abuse the cord. Never use 4.
the cord for carrying, pulling or unplugging the pressure washer. Keep
cord away from heat, oil, sharp edges
or moving parts. Damaged or entangled cords increase the risk of electric
shock.
GFCI PRECAUTIONS 5.
Test GFCI (Ground Fault Circuit Interrupter) before each use as follows:
Plug GFCI into power outlet and a.
press reset button. Indicator
should turn on.
Press test button. Indicator should b.
turn off.
Press reset button again for use. c.
Do not use if above test fails.
The GFCI device does not protect
against electrical shock due to contact with both circuit conductors or a
fault in any wiring supplying the GFCI
device.
To allow GFCI unit to function
properly, EXTENSION CORDS
MUST NOT BE USED with this
pressure washer.
Personal safety
Stay alert, watch what you are do-1.
ing and use common sense when
operating a pressure washer. Do not
use a pressure washer while you are
tired or under the inuence of drugs,
alcohol or medication. A moment of
inattention while operating pressure
washers may result in serious personal injury.
Use personal protective equipment. 2.
Always wear eye protection and thick
rubber boots. Safety equipment such
as dust mask, non-skid safety shoes,
hard hat, or hearing protection used
for appropriate conditions will reduce
personal injuries.
Prevent unintentional starting. Ensure 3.
the switch is in the off-position before
connecting to power source and/
or battery pack, picking up or carrying the equipment. Carrying pres-
sure washers with your nger on the
switch or energizing pressure washers that have the switch on invites
accidents.
Do not overreach. Keep proper foot-4.
ing and balance at all times. This
enables better control of the pressure
washer in unexpected situations.
Dress properly. Do not wear loose 5.
clothing or jewelry. Keep your hair,
clothing and gloves away from moving parts. Loose clothes, jewelry or
long hair can be caught in moving
parts.
Only use safety equipment that has 6.
been approved by an appropriate
standards agency. Unapproved
safety equipment may not provide
adequate protection. Eye protection
must be ANSI-approved for the spe-
cic hazards in the work area.
SKU 99741 PAGE 4
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
Pressure washer use and care
Do not use the pressure washer if 1.
the switch does not turn it on and off.
Any pressure washer that cannot be
controlled with the switch is dangerous and must be repaired.
Disconnect the plug from the power 2.
source before making any adjustments, changing accessories, or
storing pressure washers. Such preventive safety measures reduce the
risk of starting the pressure washer
accidentally.
Store idle pressure washers out of 3.
the reach of children and do not allow
persons unfamiliar with the pressure
washer or these instructions to operate the pressure washer. Pressure
washers are dangerous in the hands
of untrained users.
Maintain pressure washers. Check 4.
for breakage of parts and any other
condition that may affect the pressure washer’s operation. If damaged,
have the pressure washer repaired
before use. Many accidents are
caused by poorly maintained pressure washers.
Use the pressure washer, acces-5.
sories etc. in accordance with these
instructions, taking into account the
working conditions and the work to
be performed. Use of the pressure
washer for operations different from
those intended could result in a hazardous situation.
Service
Have your pressure washer serviced
by a qualied repair person using
only identical replacement parts. This
will ensure that the safety of the pressure washer is maintained.
Specic Pressure Washer Safety
Warnings
Maintain labels and nameplates on 1.
the equipment. These carry important safety information. If unreadable
or missing, contact Harbor Freight
Tools for a replacement.
Risk of injection or severe injury. 2.
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 3.
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 4.
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 5.
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 to be-6.
come wet. Always place the GFCI
SKU 99741 PAGE 5
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
Plug in 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, al-7.
ways maintain a rm grip on the Water Gun with both hands. Squeezing
the Trigger of the Water Gun causes
a kickback force.
of the unit to make sure 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 wa-16.
ter (Such as that from another pressure washer) into this washer.
Do not pull or carry the Power Wash-8.
er by its Power Cord, 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 with wet 9.
hands.
Avoid unintentional starting. Make 10.
sure you are prepared to begin work
before turning on the Pressure Washer.
The work area should have adequate 11.
drainage to reduce the possibility of a
fall due to slippery surfaces.
This Pressure Washer is intended for 12.
outdoor residential use only.
Some chemicals or detergents may 13.
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 con-14.
nected 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 15.
in cold weather, check all of the parts
When dispensing detergent, apply 17.
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 wand is in the lowpressure position.
The high pressure water ow can 18.
damage the work surface if not used
properly. Always test the spray in an
open area rst.
Never move the Pressure Washer by 19.
pulling on the High Pressure Hose.
Use the Handle provided on the top
of the unit.
Never leave the Pressure Washer 20.
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 21.
Washer immediately shut off the unit.
Unplug the Pressure Washer, and
discharge all pressure before tighten-
ing ttings or having repair work done
by a qualied technician.
People with pacemakers should 22.
consult their physician(s) before use.
Electromagnetic elds in close proximity to heart pacemaker could cause
SKU 99741 PAGE 6
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
pacemaker interference or pacemaker failure.
WARNING: The brass components 23.
of this product contain lead, a chemical known to the State of California
to cause birth defects (or other reproductive harm). (California Health &
Safety code § 25249.5, et seq.)
WARNING: Handling the cord on 24.
this product will expose you to lead,
a chemical known to the State of
California to cause cancer, and birth
defects or other reproductive harm.
Wash hands after handling. (California Health & Safety Code § 25249.5,
et seq.)
The warnings, precautions, and in-25.
structions 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.
Vibration Safety
This equipment vibrates during use.
Repeated or long-term exposure to
vibration may cause temporary or
permanent physical injury, particularly
to the hands, arms and shoulders. To
reduce the risk of vibration-related
injury:
the hand, past hand injuries, nervous
system disorders, diabetes, or Raynaud’s Disease should not use this
piece of equipment. If you feel any
medical or physical symptoms related
to vibration (such as tingling, numb-
ness, and white or blue ngers), seek
medical advice as soon as possible.
Do not smoke during use. Nico-2.
tine reduces the blood supply to the
hands and ngers, increasing the risk
of vibration-related injury.
Wear suitable gloves to reduce the 3.
vibration effects on the user.
Use equipment with the lowest vibra-4.
tion when there is a choice between
different processes.
Include vibration-free periods each 5.
day of work.
Grip gun as lightly as possible (while 6.
still keeping safe control of it). Let
the equipment do the work.
To reduce vibration, maintain the 7.
equipment as explained in this manual. If any abnormal vibration occurs,
stop use immediately.
SAVE THESE
INSTRUCTIONS.
Anyone using vibrating equipment 1.
regularly or for an extended period
should rst be examined by a doctor
and then have regular medical checkups to ensure medical problems are
not being caused or worsened from
use. Pregnant women or people who
have impaired blood circulation to
SKU 99741 PAGE 7
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
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