PRESSURE WASHER
2 HP, ELECTRIC
45802
ASSEMBLY AND OPERATING INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Copyright © 2001 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 and replacement parts, please call 1-800-444-3353
Revised Parts List and Diagram REV 09/02
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7. Maintain product with care. Follow maintenance instructions specified in
this manual.
8. Replacement parts and accessories. When servicing, be sure to use only
identical replacement parts. Use of any other parts will void the warranty.
Only use accessories intended for use with this product. Approved
accessories are available from Harbor Freight Tools.
9. Do not force product. It will do the job better and more safely at the rate
for which it was intended. Do not use inappropriate attachments in an
attempt to exceed the product capacity.
10. Use the right product for the job. Do not attempt to force a small product
or attachment to do the work of a larger industrial product. There are certain
applications for which this product was designed. Do not modify this product
and do not use this product for a purpose for which it was not intended.
11. Use eye and ear protection. Always wear ANSI approved impact safety
goggles.
12. Disconnect power. Unplug product when not in use.
13. Avoid unintentional starting. Be sure the switch is in the Off position when
not in use and before plugging in. Do not carry any product with your finger
on the trigger, whether it is plugged in or not.
14. Check for damaged parts. Before using any product, any part that appears
damaged should be carefully checked to determine that it will operate
properly and perform its intended function. Check for alignment and binding
of moving parts; any broken parts or mounting fixtures; and any other
condition that may affect proper operation. Any part that is damaged should
be properly repaired or replaced by a qualified technician. Do not use the
product if any switch does not turn On and Off properly.
15. Guard against electric shock. Prevent body contact with grounded
surfaces such as pipes, radiators, ranges, and refrigerator enclosures.
16. Maintenance. For your safety, service and maintenance should be
performed regularly by a qualified technician.
17. Risk of injection or injury. Do not aim pressure washer or its extensions
directly at people or animals.
18. Ground Fault Circuit Interrupter Protection. This pressure washer is
provided with a ground-fault circuit-interrupter (GFCI) built into the plug of
the power-supply cord. This device provides additional protections from the
risk of electric shock. Should replacement of the plug or cord become
necessary, use only identical replacement parts that include GFCI protection.
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19. Servicing of a double-insulated appliance. In a double-insulated product,
two systems of insulation are provided instead of grounding. No grounding
means is provided on a double-insulated product, nor should a means for
grounding be added to the product. Servicing a double-insulated product
requires extreme care and knowledge of the system, and should be done
only by a qualified service personnel. Replacement parts for a double-
insulated product must be identical to the parts they replace. A double-
insulated product is marked with the words “DOUBLE INSULATION” or
“DOUBLE INSULATED”. This symbol
product.
may also be marked on the
20. Extension Cord. Use only extension cords intended for outdoor use. These
extension cords are identified with the words ”ACCEPTABLE FOR USE
WITH OUTDOOR APPLIANCES; STORE INDOORS WHEN NOT IN USE”.
Use only extension cords having an electrical rating greater than or equal to
that of the product. Do not use damaged extension cords. Examine
extension cord and do not yank on any cord to disconnect. Keep cord away
from wet surfaces, heat and sharp edges. Always disconnect the extension
cord from the receptacle before disconnecting the product from the
extension cord.
Warning: To reduce the risk of electrocution, inspect cord before use. Do not
use if cord appears damaged in any way. Keep all connections dry and off
the ground. Do not touch plug with wet hands.
Note: Performance of this product (if powered by line voltage) may vary depending
on variations in local line voltage. Extension cord usage may also affect product
performance.
General Safety Rules
1. High Pressure Hose can develop leaks from wear, kinking, abuse, etc. Water
spraying from a leak is capable of injecting material into skin. Do not point
the Pressure Washer spray at people or animals.
2. Locate the Pressure Washer in areas away from combustible materials,
combustible fumes or dust.
3. Some chemicals or detergents may be harmful if inhaled or ingested,
causing severe nausea, fainting or poisoning. These harmful elements may
cause property damage or severe injury.
4. Do not allow children to operate the pressure washer at any time.
5. Before starting the Pressure Washer in cold weather, check all parts of the
equipment and be sure ice has not formed anywhere on the equipment.
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6. Units with broken or missing parts, or without protective housing or covers
should never be used.
7. The high pressure stream of water that this equipment produces can pierce
the skin and its underlying tissues, leading to serious injury and possible
amputation.
8. For household use. For indoor or outdoor use. For cold tap water use.
9. Always wear eye protection when you use this equipment or when you are in
the vicinity where this equipment is in use.
10. Operate the Pressure Washer at no more than the fluid pressure rated for
this model.
11. Never move the machine by pulling on the High Pressure Hose. Use the
handle provided on the top of the unit.
12. Use an ANSI approved respirator mask whenever there is a chance that
vapors may be inhaled. Read all instructions with the mask so you are
certain that the mask will provide the necessary protection against inhaling
harmful vapors.
13. Keep the Hose connected to the machine and the Spray Gun while the
system is pressurized. Disconnecting the Hose while the unit is pressurized
is dangerous.
14. Hold the Spray Gun firmly in your hand before you start the unit. Failure to
do so could result in injury from a whipping Spray Gun. Do not leave the
Spray Gun unattended while the machine is running.
15. Cleaning area should have adequate slopes and drainage to reduce the
possibility of a fall due to a slippery surface.
16. Keep water spray from electric wiring or fatal electric shock may result.
Warning:The warnings, cautions, and instructions discussed in this instruc-
tion manual cannot cover all possible conditions and situations that may oc-
cur. 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.
Unpacking
When unpacking, check to make sure all parts listed on Pages 12 and 14 are
included. If any parts are missing or broken, please call Harbor Freight Tools at
the number on the cover of this manual. In case of problems with this unit, do not
use it until you have consulted an authorized service center.
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Suitable Use of the Machine
1. The performance and use of this machine are suitable for non-professional
use. Structural technologies have been studied to assure high reliability, safe
operation and long life.
2. It is absolutely forbidden to use the machine in potentially explosive
environments or areas.
3. The working temperature must range between 5° and 40° C.
4. The machine consists of a motor pump protected by housing of shock
resistant material. The housing shape has been studied to offer the
maximum comfort of transport with suitable handle without any protrusions
or dangerous corners.
5. The machine is supplied with Water Gun, equipped with a Handle to offer a
practical working position; the shapes and the dimensions of the Handle
correspond to the safety rules in force.
6. It is forbidden to apply any protections or modifications on the Water Gun.
7. The unit must be continuously run with cold water (at least 11-12 liters/min).
Dry running will cause serious damage to the seals.
8. The cold water you use for the Washer must not be dirty, sandy or hold any
corrosive chemical products, in order to protect the functionality and
longevity of the equipment.
9. This machine can be used for washing rolling shutters, main doors, tiles,
cars, campers, etc., where water pressure is necessary to remove dirt.
10. With attached accessories, the machine can perform foaming and washing
functions with the Brush, which must be connected to the Lance.
11. Whenever you use the High Pressure Washer, we suggest to grip the Gun
with one hand on the Handle and the other on the Lance.
Operation and Use
Due to transport and packing dimensions reasons, some accessories may be
supplied disassembled. In this case, the fitting has to be carried out as shown in
the Diagram on Page 13.
All possible harmful parts of the package (plastic bag, staples, etc.) should be
kept out of children’s reach.
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To Attach Accessories:
1. Before using the Washer, fit the Wand [A.2] and Lance [A.3] to the Gun [A.1]:
Insert the shaped tip of the Wand into the hole of the Gun, paying attention
to join the notch. Press the Wand lightly towards the Gun, and rotate it in the
direction of the arrows, as far as it will turn, as shown in Diagram A below.
2. Follow the same instructions to attach the Lance or the Foaming Lance [A.4]
to the Gun.
Diagram A
To Operate:
1. Use only cold water.
2. Check the GFCI Plug and Cord
before connecting the system.
Plug the power cord into a
grounded 120v outlet and press
the reset button on the plug.
THIS MUST BE DONE EACH
TIME THE UNIT IS PLUGGED
INTO AN OUTLET.
Diagram B
Warning: Test the GFCI Plug before each use. Plug the GFCI plug into a
power outlet. The Indicator should turn red. Press the Test button. The
Indicator light should disappear. Press Reset button again before use. Do not
use this product if the above test fails.
3. Check to see that the O/I Switch [B.1] is in the “O” position.
4. Connect the Water Service Pipe [B.2] to the Suction Pipe Fitting Inlet [B.4]
using a siphoned tube (min. 15bar/200psi) with an inside diameter of at least
13 mm (1/2”).
5. Attach the Lance to the Spray Gun.
6. Connect the High-Pressure Hose [B.5] to the Delivery Pipe Outlet [B.6]. Use
only cold water.
7.
Open the Water Valve [B.3] completely.
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8. Press the Gun Trigger [B.7] so the air and any extra pressure are expelled
from the piping.
9. Connect the Plug to the Socket [B.8].
10. Start the equipment by turning the O/I Switch into the “I” position.
Warning: Risk of Injection: Unit will start spraying when trigger is squeezed if
O/I Switch is in the “I” position. Once Switch is returned to the Off position,
pressure still exists inside the unit.Therefore, be sure to point the Gun in a
safe direction at all times, whether the unit is On or Off. Do not discharge
stream directly at any person or animal.
Whenever you need to stop the machine, be sure to use the Safety Lock on
the Gun, to avoid unintentional starting.
11. Electric Motor:The Electric Motor is equipped with a Thermal Switch.The
Motor will stop if it overheats. If this occurs, wait 5-10 minutes before starting
it again. If Motor stops again, take product to an authorized service center
before attempting to start it again.
12. Adjusting the Spraying Jet:Turn the knob at the end of the Wand in either
direction to obtain a straight or fan spray.
13. Using Foaming Lance: Attach Foaming Lance to the Gun as shown in
Diagram C below.Turn on theWasher. Suction and mixing will occur
automatically as the water flows through the Lance and the Detergent
Container.
Diagram C
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IMPORTANT BASICS REGARDING ELECTRIC PRESSURE WASHERS
1.
2.
3.
4.
5.
6.
All connections must be tight. If there is water leaking out, air can also leak in. Make
sure the water supply is fully on.
Check the inlet strainer for any blockage, including packaging debris. Most washers
are shipped with a plastic plug in the inlet.
The washer will not pressurize if the nozzle is not completely assembled. It will not
work properly with only part of the wand installed.
It may take a few warm-up tries to get the pump running correctly. Do not give up if the
washer does not start immediately.
Minerals in the water can harden inside the workings. Flush the unit with automotive
antifreeze prior to long-term storage.
The Foaming Lance creates foam. There is much less pressure when using the
Foaming Lance.
Moving and Storage
This unit is equipped with wheels, so it can be easily moved.
Store the Pressure Washer indoors. If you are keeping the machine in an environ-
ment where there is danger of ice or frost forming on the unit, or if you do not use
the product for more than 3 months, we suggest you add an antifreeze solution
(similar to that used in automobiles) before putting it away. When you start the
machine up again, slight leakage can occur.This leakage will disappear once the
machine has been in operation for a few hours.
Be careful not to damage the Electric Cable. If the Cable does become damaged,
replace it with an identical replacement Cable. Only professionally qualified
personnel may be allowed to replace the Electric Cable.
Maintenance
Your Pressure Washer is supplied with a closed lubrication system, so you do not
need to add oil. Check periodically for any deposits that might potentially clog the
system.
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR
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 MANUFAC-
TURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS RE-
PLACEMENTS 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.
REV 04/04 REV 09/03
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Assembly Drawings and Parts Lists
Fig.
N
p
re
REV 04/04
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Assembly Drawings and Parts Lists
Fig. 1b: Parts List for Pressure Washer
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Assembly Drawings and Parts Lists
Fig. 1b: Parts List for Pressure Washer (continued)
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Assembly Drawings and Parts Lists
Fig. 1b: Parts List for Pressure Washer (continued)
NOTE: Some parts are listed and shown for illustration purposes only and are not available
individually as replacement parts.
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Assembly Drawings and Parts Lists
Fig 2a: Assembly Drawing for Gun Assembly
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Assembly Drawings and Parts Lists
Fig. 2b: Parts List for Gun Assembly
ITEM DESCRIPTION
QTY
1
1
1
1
1
1
2
1
1
1
1
2
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Kit 1 High Pressure Hose Assembly
Kit 2 Handle Assembly
1
2
Left Handle
Right Handle
Trigger Lock
Spring
4
5
6
Valve Big O-Ring
Valve
7
8
Valve Small O-Ring
Valve Cover
Trigger
9
10
23
24
Screw
Screw
Kit 3 Lance Assembly
11
12
13
Lance O-Ring
Lance Big O-Ring
Lance
Kit 4 Conncecting Rod Assembly
14
15
Connecting Rod O-Ring
Connecting Rod
Kit 5 Nozzle Head Assembly
16
17
18
19
20
21
22
Nozzle Sleeve Small O-Ring
Nozzle Sleeve
Nozzle Sleeve Big O-Ring
Lamella
Nozzle
Nozzle Cover
Color Dot
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REV 09/02
Trouble Shooting
FAULT
PROBABLE CAUSE
PROBABLE CAUSE
When the Switch is in
the “I” position,
machine will not start.
Electric Socket is faulty.
The main voltage is insufficient.
Check plug, socket, and fuses.
Check that the main voltage is
adequate.
The pump is stuck.
Turn the motor manually.
Check the micro-switch mechanism.
Check that the electric installation is
suitable.
Total Stop Mechanism has tripped
Net Voltage (volt) is lower than the
minimum suggested voltage.
When the Switch is in
the “I” position, the
engine buzzes, but the The pump is blocked.
Turn the motor by hand.
Replace the extension with an
adequate one.
machine will not start.
Cable extension seems to be
inadequate.
The pump doesn’t
reach the necessary
pressure.
Water inlet filter is clogged.
Pump is sucking air from connec-
tions or hoses.
Suctions/delivery valves are
clogged or worn out.
Lance nozzle is incorrect or worn
out.
Clean the water inlet filter.
Check that the connections and
locking ring are well tightened.
Clean or replace valves.
Check and/or replace.
Fluctuating pressure.
Pump is sucking air.
Check that hoses and connections
are airtight.
Valves are dirty, worn out or stuck.
Sealing is worn out.
Clean or replace.
Check and replace.
The motor stops
suddenly.
Total Mechanism has tripped.
Check that the main voltage
corresponds to the specifications.
Check the micro-switch mechanism.
Check and replace.
Water leaking from the Sealing is worn out.
pump.
Loss of pressure.
The nozzle is worn out.
The valves are dirty or blocked.
Adjusting valve seal is worn out.
Seals are worn out.
Replace the nozzle.
Check, clean or replace.
Check and/or replace.
Check and/or replace.
Check and/or clean.
The filter is dirty.
Noise
Air intake.
Valves are worn out, dirty or
blocked.
Check the intake pipes.
Check, clean or replace.
Bearings are worn out.
Extreme water temperature.
The filter is dirty.
Check, clean or replace.
Bring the temperature under 50° C.
Check and/or clean.
Water is in the oil.
O-Rings (water and oil) are worn
out.
Check and/or replace.
Water leakage from
the head.
Seals are worn out.
O-Ring Seal System is worn out.
Replace the seals.
Replace the O-Rings.
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REV 09/02
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