8-641-226-0 G 3000 MANUAL.book
G 3000
English. . . . 4
Español . . . 22
Français. . . 42
8.641-226.0
12/15
G 3000
HIGH PRESSURE WASHER OPERATOR MANUAL
Please read and comply
with these original instructions prior to
the initial operation of your appliance
and store them for later use or
subsequent owners.
Contents
Model Overview
EN-4
Safety Instructions
EN-5
Assembly Instructions
EN-7
Preparation
EN-9
Operating Instruction
EN-10
Using the Accessories
EN-12
Working with Detergents
EN-13
Taking a Break
EN-14
Shutting Down & Clean Up
EN-14
Winterizing & Long Term
Storage
EN-14
Maintenance Instructions
EN-15
Cleaning Tips
EN-15
Troubleshooting
EN-18
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Throttle Lever
Choke Lever
Fuel Valve
Detergent Tank Cap
Detergent Tank
Fuel Tank Cap
Fuel Tank
Hand Cord
Engine Switch
Oil Dipstick
Pressure Hose
Detergent Suction Connection
Pump Outlet
Pump Inlet
Thermal Relieve Valve
Spark Plugs
Specifications
G 3000
Model Overview
1.
2.
3.
4.
Spray Gun
Nozzles
Muffler
Air Filter
4 English
Operating Pressure
3000 PSI
Water Volume
2.4 GPM
Engine
OHV
Fuel Type
Unleaded Gas
Fuel Tank Size
.79 Gallons
(3.0L)
Engine Oil Type
SAE 10W-30
Model Number
1.107-280.0
Serial Number
Hazard Levels
Indicates “an imminently hazardous
situation which, if not avoided, will
result in death or serious injury.”
Indicates “a potentially hazardous
situation which, if not avoided, could
result in death or injury.”
Indicates “a potentially hazardous
situation which, if not avoided, may
result in minor or moderate injury or in
property damage incidents.”
Safety Instructions
When using this product, basic
precautions should always be
followed, including the following:
▬ Do not operate when fatigued or
under the influence of alcohol or
drugs.
▬ Keep operating area clear of all
persons.
▬ Do not overreach or stand on
unstable support. Keep good footing
and balance at all times.
▬ Wear safety goggles and ear
protection.
▬ Follow the maintenance instructions
specified in the manual.
▬ To avoid risks, all repairs and
replacement of spare parts should
only be carried out by trained
personnel.
▬ Tire pressure should not exceed max.
25 psi.
Risk of injection or injury – Do not
direct discharge stream at persons.
▬ High pressure jets can be dangerous
if misused. The jet must not be
directed at persons, animals,
electrical devices, or the unit itself.
▬ Read the operating instructions of the
engine manufacturer before start-up
Do not spray electrical connections,
and follow the safety instructions
electrical outlets or fixtures.
carefully.
▬ Read all instructions before using
▬ Do not use acids, solvents, or any
product.
alkaline or flammable material in this
product. These products can cause
▬ To reduce the risk of injury, close
physical injuries to the operator and
supervision is necessary when the
irreversible damage to the machine.
product is used near children.
▬ Know how to stop the product and
bleed pressures quickly. Be
thoroughly familiar with the controls.
Gun kicks back – Hold with both
▬ Stay alert - watch what you are doing.
hands.
English 5
▬ The trigger gun safety lock prevents
the trigger from accidentally being
engaged. This safety feature must be
engaged when replacing nozzles or
not in use.
▬
▬
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
Operation of this equipment may
create sparks that can start fires
around dry vegetation. A spark
arrestor may be required. Operator
should contact local fire agencies for
laws or regulations.
Risk of asphyxiation – Use this
product only in a well ventilated area.
Do not operate indoors or in any
confined area.
▬ Operate and fuel machine in a well
ventilated area, free of devices
featuring an open pilot or flame such
as boilers, water heaters, etc.
Risk of fire/explosion – Do not add fuel
when the machine is operating or still
hot.
Risk of fire/explosion -Operate only
where open flame or torch is
permitted. Do not spray flammable
liquids.
▬ Do not operate if fuel has been
spilled. Instead, move machine to
6 English
▬
▬
different location and avoid creating
sparks.
This machine has hot surfaces which
can cause burns. Operate in a safe
environment and away from children.
Do not touch hot surfaces or allow
accessories to contact hot surfaces.
Do not leave machine running
unattended.
Avoid tipping machine on its side.
Water Supply
(Cold Water Only)
When connecting to water supply
mains, local regulations of your
municipal water company must be
observed. In some areas connecting
directly to public drinking water supply
may require a back flow prevention
device. This is to ensure that there is
no feedback of chemicals into the
water supply. Use a water filter to
avoid potential damage from dirt in the
water supply.
▬ Garden hose must be at least 5/8
inch diameter.
▬ Flow rate of water supply must not
fall below 2.4 GPM
(gallons per minute)
▬ Flow rate can be determined by
running the water for one minute into
an empty 5-gallon container.
▬ The water supply temperature must
not exceed 122°F/50°C.
▬ Never use the pressure washer to
draw in water contaminated with
solvents, e.g. paint thinners,
gasoline, oil, etc.
▬ Always prevent debris from being
drawn into the unit by using a clean
water source. Use additional water
filter.
▬ Do not operate pressure washer
without the water turned on.
Assembly Instructions
Part List
B - Handle
C - Gun Hook & Hose Hook
D - Knobs & Bolts
A - Main Frame
E - Pressure Hose
English 7
F - Spray Gun & Wand
► Attach the handle and main frame
with knobs and bolts.
G - Wheels
Parts not shown:
1 - Manual
1 - Nozzle Cleaner
1 - Spark Plug Wrench
1 - O-Ring Set
(2 for pressure hose, 1 for spray gun)
Assembling
► Install the wheels to the main frame
by pressing the spring loaded pin on
wheel axle, then insert wheel axle
into frame. Ensure that the spring pin
is fixed in position. Repeat for the
other wheel.
8 English
► Attach the gun & hose hooks to the
handle.
► Fully reinsert the oil gauge dipstick
and pull it out to check the oil level.
► If the oil level is halfway up the
dipstick or below, refill with SAE
10W-30 oil through the dipstick hole
until the oil level reaches 3/4 up the
dipstick or until it reaches the bottom
lip of the dipstick hole as shown.
Preparation
Oil Level
Always use SAE 10W-30 oil.
Engine shipped without oil in
crankcase. Before starting engine, fill
with oil. Do not over-fill. Do not run the
engine with a high or low oil level as
this can cause engine damage. If you
have further questions regarding the
engine, please refer to the engine
manual included with the unit.
► Turn the oil gauge dipstick counter
clockwise; remove it and clean it with
a clean cloth.
Oil crankcase capacity: 0.6L.
► Reposition the oil gauge dipstick and
tighten it by turning clockwise.
► Engine oil should be changed after
the first 5 hours, then every 50 hours.
Fuel Level
Make sure there is enough fuel in the
fuel tank before operating. This is a
4-cycle engine and does not require a
gas/oil mixture. There is a separate
reservoir for gas and a separate
reservoir for oil.
English 9
► Unscrew the nut on the cover
counterclockwise. Remove the
cover.
► If it is necessary to add fuel, first
make sure the engine is OFF, and
then remove the fuel cap by turning it
counter clockwise.
► When refueling, make sure the fuel
filter is in place and keep in mind all
safety precautions.
► Use clean unleaded gasoline with a
minimum of 87 octane. DO NOT use
old gas. DO NOT mix oil with
gasoline.
Fuel tank capacity: .79 Gallons
(3.0 Lt)
► Remove the air filter, wash filter in
kerosene, squeeze kerosene out,
soak filter in engine oil and squeeze
engine oil out.
► Replace filter and replace the air filter
cover.
Operating Instructions
Starting Procedure:
Air Filter
The air filter should be checked after
prolonged storage, the following steps
should be done when checking the air
filter. It is recommended to replace the
air filter once every spring.
10 English
► Connect garden hose.
► Connect spray gun and pressure
hose.
► Open water source.
► Start the Engine.
1. Turn the engine switch to "ON"
position.
2. Move choke lever to "CLOSE"
position.
3. Turn the fuel valve to "ON" position.
4. Put the throttle lever to the "FAST"
position.
5. Pull trigger on spray gun to release
pressure.
6. Locate recoil cord and pull slowly
until resistance is felt. At this point,
pull rapidly to start engine.
7. After the engine has started, turn the
choke lever to "OPEN" position.
NOTE: If unable to start the engine,
repeat the above operation one or two
times.
NOTE: If the temperature is higher,
such as during summer or if the engine
is hot, choke valve should be switched
to "OPEN" position before starting.
English 11
Cleaning Procedure:
► Position the tip of the wand 6-8”
(15-20 cm) away from the surface to
clean at a 45°angle.
15° spray angle = Yellow nozzle
For dirt accumulation over a surface.
25° spray angle = Green nozzle
For dirt accumulation over a large
surface.
40° spray angle = White nozzle
For moderate dirt accumulation over a
large surface.
Soap = Black nozzle
Using the Accessories
For operating with detergents or
cleaning with low pressure.
Quick Connect Nozzles
The color-coded quick connect
nozzles provide a wide array of spray
widths from 0° to 65° and are easily
accessible when placed in the
convenient nozzle holder.
High pressure in nozzle area. Risk of
injury caused by improperly locked
nozzle.
▬ Make sure you hear the "click" when
inserting the nozzle tip into the quick
connection.
▬ Pull the nozzle to make sure it is
seated properly before operating your
unit.
To avoid serious injury never point
spray nozzle at yourself, other
persons or animals.
Adjusting Water Pressure
0° spray angle = Red nozzle
For particularly stubborn accumulation
of grime. Not recommended for soft
materials like sidings, decks, painted
surfaces, cars.
12 English
The pressure can be adjusted by
changing the speed of the engine
using the throttle lever.
Turning the throttle lever to the left can
increase the speed to get more
pressure.
Turning the throttle lever to the right
can decrease the speed to get less
pressure.
When adjusting the engine throttle to
the lowest setting, do not operate the
pump. This can cause the engine to
stall due to lack of power.
Working with Detergents
Detergents can only be applied with
the black detergent nozzle.
► Install the black detergent nozzle for
detergent application at low pressure.
► Fill the detergent tank with Kärcher
Brand Detergent.
NOTE: For best results see Cleaning
Tips for specific information on how to
clean different surfaces.
This unit has been designed for use
with cleaning detergents
recommended by the manufacturer.
The use of other cleaning detergent
may affect the operation of the
machine and void the warranty.
Always Use Kärcher Detergent for
Best Results.
Kärcher biodegradable detergents are
specially formulated to protect the
environment and your pressure
washer. The special formula won't
clog the filter and will protect the
internal parts of the pressure washer
for a longer life. For Kärcher
Detergents, check your retailer or visit
our website:
www.karcherresidential.com
Never use:
Detergent Tank
► With the engine running, pull trigger
to operate unit.
► Liquid detergent is drawn into the unit
and mixed with water.
► Apply detergent to work area.
► Do not allow detergent to dry on
surface.
► Always flush the detergent bottle with
fresh water when the cleaning job is
done, to rinse/flush any remaining
detergents from the injection system.
▬ Bleach, chlorine products or other
corrosive chemicals.
▬ Liquids containing solvents (i.e., paint
thinners, gasoline, oils.)
▬ Tri-sodium phosphate products.
▬ Ammonia products.
▬ Acid-based products.
These chemicals will harm the unit
and will damage the surface being
cleaned.
Use of these items will void the
warranty.
English 13
Taking a Break
...five minutes or more
► Move the engine stop switch to the
OFF position.
For engine details see engine
manual.
► Release trigger and engage safety
lock.
Shutting Down
& Clean Up
► If detergents have been used, insert
1 gallon of fresh water into Detergent
Bottle. Siphon water at low pressure
for one minute to clear the line of
residual detergent.
► Move the engine stop switch to the
OFF position. Close the fuel valve.
► Turn off the water source.
► Press trigger to release water
pressure.
► Release trigger and engage gun
safety lock.
► Disconnect the garden hose from the
water inlet on the unit.
► Disconnect the high pressure hose
from the high pressure outlet. Store
the high pressure hose in the gun
holder assembly.
Winterizing & Long-Term
Storage
It is highly recommended to use
Kärcher Pump Guard (part number
9.558-998.0) before winter storage
and during the cleaning season to
protect the pump from freezing and
premature wear.
14 English
► Turn engine switch to the OFF
position.
► Disconnect all hoses.
► Unscrew cap from Pump Guard
bottle.
► Remove internal seal.
► Reattach cap to Pump Guard bottle
and remove black protective cap.
► Screw bottle into water inlet on
pressure washer pump and squeeze.
► With ignition OFF, pull starter rope
until fluid starts to exit.
► Unscrew bottle. Store or dispose
properly.
If Kärcher Pump Guard is unavailable,
perform the following:
► Disconnect all water connections.
► Turn on the machine for a few
seconds, until the water which
remained in the pump exits. Turn off
engine immediately.
Failure to follow the above directions
may result in damage to the pump
assembly and accessories and void
the warranty.
Do not allow high pressure hose to
become kinked.
Store machine and accessories in a
room which does not reach freezing
temperatures. DO NOT store near
furnace or other sources of heat as it
may dry out the pump seals.
Maintenance Instructions
Pump
Pump Inspection
You should routinely make a visual
inspection of the pressure washer’s
pump. If you notice oil leaking around
the pump seals, you should take the
pressure washer to a Kärcher
Authorized Service Center for repair.
(You can locate a service center in
your area online at:
www.karcher-service.com).
Engine
Carry out maintenance tasks for the
engine according to the specifications
provided in the operating instructions
provided by engine manufacturer.
Cleaning Tips
Deck Cleaning
With or Without Detergent
Pre-rinse deck and surrounding area
with fresh water. If using Kärcher Deck
Wash, apply to surface at low
pressure. For best results, limit your
work area to smaller sections of
approximately 25 square feet. Allow
Deck Wash to remain on surface 1-3
minutes. Do not allow detergent to dry
on surface. Rinse at high pressure in a
long sweeping motion keeping the
spray nozzle approximately 3-6 inches
from the cleaning surface. Always
clean from top to bottom and from left
to right. When moving on to a new
section of the cleaning surface, be
sure to overlap the previous section to
eliminate stop marks and ensure a
more even cleaning result.
Cars, Boats
& Motorcycles
With or Without Detergent
Pre-rinse vehicle with fresh water. If
using Kärcher Touchless Vehicle
Wash, apply to surface at low
pressure. For best results, clean one
side of vehicle at a time and always
apply detergent from bottom to top, do
not allow detergent to dry on surface.
If needed, use special wash brush
attachment (not included) to remove
stubborn dirt. Rinse at high pressure
in a sweeping motion keeping the
spray nozzle approximately 6-8 inches
from the cleaning surface (distance
should increase when rinsing
pin-striping or other sensitive
surfaces). Always clean from top to
bottom and from left to right. For best
results, wipe surface dry with a
chamois or soft dry cloth.
English 15
House Siding
removing extremely stubborn stains,
use a DirtBlaster® Spray Nozzle (sold
separately).
With or Without Detergent
Pre-rinse cleaning surface with fresh
water. If using Kärcher Pressure
Wash, apply to surface at low
pressure (for best results, limit your
work area to sections of approximately
6 feet and always apply detergent
from bottom to top). Allow detergent to
remain on surface 1-3 minutes. Do not
allow detergent to dry on surface, if
surface appears to be drying, simply
wet down surface with fresh water. If
needed, use special wash brush
attachment (not included) to remove
stubborn dirt. Rinse at high pressure
from top to bottom in an even
sweeping motion keeping the spray
nozzle approximately 6 inches from
the cleaning surface.
Barbecue Grills, Outdoor
Power Equipment
& Gardening Tools
With or Without Detergent
Pre-rinse cleaning surface with fresh
water. If using Kärcher Pressure Wash
or Degreaser, apply detergent at low
pressure. Allow Pressure Wash to
remain on surface 1-3 minutes. Do not
allow detergent to dry on surface.
Rinse at high pressure keeping the
spray nozzle approximately 3-6 inches
from the cleaning surface. For
removing extremely stubborn dirt, it
may be necessary to move the spray
nozzle even closer to the surface for
greater dirt cutting action.
Cement Patios, Brick &
Stone
Patio & Lawn Furniture
With or Without Detergent
With or Without Detergent
Pre-rinse cleaning surface with fresh
water. If using Kärcher Pressure Wash
or Degreaser, apply to surface at low
pressure. For best results, limit your
work area to smaller sections of
approximately 25 square feet. Allow
Pressure Wash or Degreaser to
remain on surface 1-3 minutes. Do not
allow detergent to dry on surface.
Rinse at high pressure in a sweeping
motion keeping the spray nozzle
approximately 3-6 inches from the
cleaning surface. Always clean from
top to bottom and from left to right. For
Pre-rinse furniture and surrounding
area with fresh water. If using
Pressure Wash, apply to surface at
low pressure. Allow Pressure Wash to
remain on surface 1-3 minutes. Do not
allow detergent to dry on surface. If
needed use special Wash Brush
Attachment (not included) to remove
stubborn dirt. Rinse at high pressure
in a sweeping motion keeping the
spray nozzle approximately 3-6 inches
from the cleaning surface. For best
results, clean from top to bottom and
from left to right.
16 English
Recommendations
▬ Before cleaning any surface, an
inconspicuous area should be
cleaned to test spray pattern and
distance for maximum cleaning
results.
▬ If painted surfaces are peeling or
chipping, use extreme caution as
pressure washer may remove the
loose paint from the surface.
▬ When using on surfaces which might
come in contact with food, flush
surfaces with plenty of drinking water.
▬ For additional cleaning tips, visit our
website at
www.karcherresidential.com
Optional Accessories
Optional accessories are available to
further enhance your cleaning
capabilities. These accessories are
accurate as of the printing date of this
manual. Please check our website:
www.karcherresidential.com for
pricing and up to date information.
▬ Extension Hose
▬ DirtBlaster® Spray Nozzle
▬ Universal Wash Brush Kit
English 17
Troubleshooting
Remove the spark plug cable to prevent accidental ignition of the engine
before making any repair.
Symptom
Engine Will Not
Start
Cause
Solution
No Gasoline.
Fill Gas Tank.
Choke is not in the
correct position.
Slide lever out to closed position.
Ignition switch is
not in the correct
position.
Turn Ignition switch on.
Water pressure built
up in the machine.
Squeeze the trigger to release the
pressure.
For additional engine problems refer to the engine
manual.
Unit Does Not
Reach High
Pressure
Output Pressure Varies
High And Low
18 English
Diameter of garden
hose is too small.
Replace with a 5/8 inch or larger garden
hose.
Water supply is
restricted.
Check garden hose for kinks, leaks and
blockage.
Not enough inlet
water supply.
Turn water on full force. Check garden
hose for kinks, leaks or blockage.
Water inlet filter is
clogged.
Remove filter and rinse out in warm
water.
Black detergent
nozzle is attached.
Remove black detergent nozzle and
attach high pressure nozzle.
Not enough inlet
water supply.
Turn water on full force. Check garden
hose for kinks, leaks or blockage.
Symptom
Cause
Solution
Output
Pressure
Varies Between
High And Low
Pump is sucking air.
Check that hoses and fittings are air
tight. Turn off machine and purge pump
by squeezing trigger gun until a steady
flow of water emerges through the
nozzle.
Water inlet filter is
clogged.
Remove filter and rinse out in warm
water.
Spray nozzle is
obstructed.
Blow out or remove debris with a fine
needle.
Calcified gun, hose
or spray wand.
Run distilled vinegar through detergent
tank.
Detergent suction
tube not properly
connected to the
machine.
Check connection.
Detergent is too
thick.
Dilute detergent, for best results use
Kärcher detergent.
Filter on detergent
suction tube is
clogged.
Run warm water through filter to remove
debris.
Damaged or
clogged detergent
suction tube.
Remove obstruction or replace detergent
suction tube.
A high pressure
nozzle is attached.
Replace with black detergent nozzle.
Spray nozzle is
obstructed.
Blow out or remove debris with fine
needle.
Loose fittings.
Tighten fittings.
Missing/worn
rubber washer.
Insert new washer.
No Detergent
Garden Hose
Connection
Leaks
English 19
Symptom
Spray Wand
Leaks
Cause
Solution
Spray wand not
properly attached.
Turn the swivel nut of the gun clockwise
until connection is tight.
Broken o-ring or
plastic insert.
Visit www.karcher-help.com or locate a
service center at
www.karcher-service.com.
Pump Is Noisy
Not enough gas or
engine oil.
Check that hoses and fittings are air
tight. Turn off machine and purge pump
by squeezing trigger gun until a steady
flow of water emerges through the
nozzle.
Water Leaks
From Pump
(Up To 10 Drop
Per Minute Is
Permissible)
Loose fittings.
Check fittings.
Water seals are
damaged or worn.
Visit www.karcher-help.com or locate a
service center at
www.karcher-service.com.
Thermal protection
device is activated.
Thermal protection device will auto reset.
Do not run pump for more than 5 minutes
without spraying.
Oil seals are
damaged or worn.
Visit www.karcher-help.com or locate a
service center at
www.karcher-service.com.
Oil Drip
If the symptom you are experiencing
is not listed above, or if the provided
solutions do not solve your issue,
please visit our extensive online
troubleshooting database at:
www.karcher-help.com
20 English
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