K3000G Manual 11/30/01 4:56 PM Page 1
Model K 3000 G
Part No. 1.133-110.0
High Pressure Washer Operator Manual
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . .3
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . .4
Using the Accessories . . . . . . . . . . . . . . . . . . . . . . . .5
Working with Detergents . . . . . . . . . . . . . . . . . . . . . . .6
Shut Down and Clean-Up . . . . . . . . . . . . . . . . . . . . . .7
Taking a Break . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Winterizing and Long-Term Storage . . . . . . . . . . . . . .7
Cleaning Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9
Optional Cleaning Accessories . . . . . . . . . . . . . . . . . .9
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .10-11
Specifications
Operating pressure 1500 PSI
Water volume
Engine
2.0 GPM
3.75 HP Briggs & Stratton Quattro
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K3000G Manual 11/30/01 4:56 PM Page 4
ASSEMBLY INSTRUCTIONS
OPERATING INSTRUCTIONS
No tools required.
Step1 Connect the high pressure hose to
Step2 Insert the spray wand into
the wand extension. Push in and turn
clockwise to lock spray wand in place.
the unit’s high pressure outlet.
Step1 Attach the handle to the frame of the
pressure washer. Align holes, insert bolt, and
tighten with knob.
Step2 Slide the wand extension
into the gun. Turn the wand collar
clockwise onto the gun threads
until tight.
3
4
Step3 Connect
garden hose to unit’s
water inlet.
Step4 Connect
garden hose to the
cold water source
and turn water on
completely.
Step5 Trigger the gun to
eliminate trapped air, wait for a
steady flow of water to emerge
from the spray nozzle.
Step3 Check oil level. Oil level should always
be between the “FULL” and “ADD” marks on the
dipstick. Be sure the machine is level when check-
ing the oil level. (Refer to the engine’s operating
manual for seasonal grades.)
Step4 Fill gas tank with unleaded
gasoline. Do not use leaded gasoline.
You are now ready
to operate your
Karcher 3000 G
Pressure Washer.
Important! Do not run the engine with
a high or low oil level as this can cause
engine damage. If you have further ques-
tions regarding the engine, please refer to
the engine’s operating manual included
with the unit.
Step6
Slide the throttle
control to the run
position.
Step7 Push the
primer ball three
times. Wait 3 seconds
between each push.
Note: in cold weather
push 5 times.
Step8 Pull the starter handle. If
the engine fails to start after 3 pulls
squeeze the trigger gun to release
pressure, and repeat step 8.
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K3000G Manual 11/30/01 4:56 PM Page 6
USINGTHEACCESSORIES
WORKING WITH DETERGENT
Karcher pressure washers operate at two pressures. The high pressure setting is used for
general cleaning, The low pressure setting is used for detergent application. Detergents can
only be applied at low pressure.
High/low spray wand
This wand creates a steady, powerful fan
spray. This wand has two positions. The
high setting is used for pressure cleaning.
The low setting is used to apply detergents.
For best results see Cleaning
Tips on pages 8 & 9 for specific
information on how to clean
different surfaces.
High
Low
Always Use Karcher
Detergents for Best Results.
Step1 To install the high/low wand
simply insert into spray wand extension.
Push in and turn clockwise to lock into
position. High/low wand must be set in the
low pressure position to apply detergent.
Karcher biodegradable detergents are
specially formulated to protect the environ-
ment and your pressure washer. Special
formula won’t clog the suction tube filter
and will protect the internal parts of the
pressure washer for a longer life. For
Karcher Detergents, check your retailer
or call:
Turn the wand nozzle clockwise to high, for
pressure cleaning. Turn counter clockwise
to low, to apply detergent.
6
5
WARNING TO AVOID SERIOUS
INJURY, NEVER POINT SPRAY
NOZZLE AT YOURSELF, OTHER
PERSONS OR ANIMALS
1-800-537-4129
The following Karcher detergents are
available:
• Vehicle Wash
• Degreaser
• All Purpose Cleaner
• House Wash
• Deck Wash
Step2 Fill a container with Karcher
detergent. Place the filter end of detergent
suction tube into the container.
Caution
Never use:
• Bleach, Chlorine products and 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.
Step3 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.
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K3000G Manual 11/30/01 4:57 PM Page 8
SHUTTING DOWN & CLEAN-UP
CLEANING TIPS
Cement Patios,
Deck Cleaning
(with or without detergent)
Brick and Stone
Pre-rinse deck and surrounding area with
fresh water. If using Kärcher Deck Wash,
place detergent suction tube directly into
cleaning solution and apply to surface at
low pressure. For best results, limit your
work area to smaller sections of approxi-
mately 25 square feet. Allow Kärcher 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.
Caution: Do not use rotating nozzle
spray wand on wood surface as it may
cause damage.
(with or without detergent)
Pre-rinse cleaning surface with fresh water.
If using Karcher All Purpose Cleaner, place
detergent suction tube directly into cleaning
solution and apply to surface at low pres-
sure. For best results, limit your work area
to smaller sections of approximately 25
square feet. Allow Kärcher All Purpose
Cleaner 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 approxi-
mately 3-6 inches from the cleaning sur-
face. Always clean from top to bottom and
from left to right. For removing extremely
stubborn stains, use Kärcher Rotating
Nozzle Spray Wand.
Step1 Remove
Step2
Turn off the
engine.
Step3
Step4
detergent suction tube
from container and insert
into one gallon of fresh
water. Siphon water at low
pressure for one minute.
Turn off the water
source.
Press trigger to
release water
pressure.
Cars, Boats & Motorcycles
(with or without detergent)
Pre-rinse vehicle with fresh water. If using
Karcher Vehicle Wash, place detergent suc-
tion tube directly into cleaning solution and
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 sur-
face. If needed, use special Wash Brush
Attachment 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.
7
8
House Siding
(with or without detergent)
Pre-rinse cleaning surface with fresh water.
If using Kärcher House Wash, place deter-
gent suction tube directly into cleaning
solution and apply to surface at low pres-
sure (for best results, limit your work area
to sections of approximately 6 feet and
always apply detergent from bottom to top).
Allow Karcher House Wash 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 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.
Step5 Disconnect
the garden hose from the
water inlet on the unit.
Step6 Disconnect the high pressure hose from the
high pressure outlet and engage the gun safety lock.
TAKING A BREAK... five minutes or more
Step1 Turn off the
Step2 Press trigger
Step3 Engage gun
Caution: Do not use rotating nozzle
spray wand on vehicles as it may
cause damage.
engine.
to release water pressure.
safety lock.
Caution: Do not use rotating nozzle
spray wand on siding as it may cause
damage.
WINTERIZING AND LONG-TERM STORAGE
1. Disconnect all water connections.
2. Start the machine for a few seconds,
until the water which had remained in the
pump exits. Turn off immediately.
3. Drain the gas and oil from the engine.
4. Do not allow high pressure hose to
become kinked.
5. Store the machine and accessories in
a room which does not reach freezing
temperatures. The machine should not be
placed near an open flame i.e. furnace,
hot water heater etc.
Caution: Failure to follow the above direc-
tions will result in damage to the pump
assembly and accessories.
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K3000G Manual 11/30/01 4:57 PM Page 10
CLEANING TIPS - continued
TROUBLESHOOTING
Barbecue Grills, Outdoor
Power Equipment &
Patio & Lawn Furniture
Symptom
Cause
Solution
(with or without detergent)
Engine will not
start
No gasoline.
Fill gas tank.
Pre-rinse furniture and surrounding area with
fresh water. If using Kärcher All Purpose
Cleaner, place detergent suction tube direct-
ly into cleaning solution and apply to surface
at low pressure. Allow Kärcher All Purpose
Cleaner to remain on surface 1-3 minutes.
Do not allow detergent to dry on surface. If
needed use special Wash Brush Attachment
to remove stubborn dirt. Rinse at high pres-
sure 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.
Caution: Do not use rotating nozzle spray
wand on patio or lawn furniture as it may
cause damage.
Gardening Tools
(with or without detergent)
Low oil level.
Add oil.
Pre-rinse cleaning surface with fresh water.
If using Kärcher All Purpose Cleaner or
Degreaser, place detergent suction tube
directly into cleaning solution and apply
detergent at low pressure. Allow Kärcher
detergent 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. To remove
caked on mud from garbage cans, lawn
mower blades, wheel barrels or other
non-sensitive metal surfaces, you may
want to use the Karcher Rotating Nozzle
Spray Wand.
Push primer ball three times.
Engine is not primed.
Engine throttle is not in
correct position.
Position the throttle to “FAST”.
For additional
engine problems
refer to the engine
owners manual.
Pressure built up in the
high pressure washer.
Squeeze the trigger to release the
pressure.
Unit does not reach Diameter of garden hose is
high pressure.
Replace with a 3/4 inch garden
hose.
too small.
Water supply is restricted.
Check garden hose for kinks, leaks
and blockage.
Not enough inlet water supply. Open water source full force.
Recommendations
Water inlet filter is clogged.
Remove filter and rinse out in warm
water.
• Before cleaning any surface an inconspic-
uous area should be cleaned to test spray
pattern and distance for maximum clean-
ing results.
10
Caution: Do not use rotating nozzle spray
wand on cloth, plastic or other sensitive
surfaces as it may cause damage.
Spray wand is in low
pressure position.
Turn spray wand tip to high pressure
position.
9
• If painted surfaces are pealing or chipping,
use extreme caution as pressure washer
may remove the loose paint from the
surface.
Output pressure
varies high and low.
Not enough inlet water supply. Turn water on full force. Check garden
hose for kinks, leaks or blockage.
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.
OPTIONAL CLEANING ACCESSORIES
Optional cleaning accessories are available to further enhance your cleaning capabilities:
See accessories order form for product descriptions and ordering instructions.
Water inlet filter is clogged.
Remove filter and rinse out in warm
water.
• Rotating Wash Brush
• Wash Brush
• Pipe Drain Cleaner
• Floor Washing Tool
Discharge nozzle is
obstructed.
Blow out or remove debris with a
fine needle.
• House Washing Wand
• Extension Wand
• Rotating Spray Wand
• Flexible Spray Wand
• Underbody Spray Wand
• Telescopic Spray Wand
• Sandblasting Attachment
• Detergent Foamer Attachment
• Water Pumping Kit
• Water Suction Hose
• Extension Hose 25’
Calcified gun, hose or spray Run distilled vinegar through
wand. detergent suction tube.
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K3000G Manual 11/30/01 4:57 PM Page 12
TROUBLESHOOTING - continued
Symptom
Cause
Solution
No detergent.
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.
Spray wand is in high
pressure position.
Turn spray wand tip to low pressure
position.
Discharge nozzle is
obstructed.
Blow out or remove debris with a
fine needle.
Garden hose
connection leaks.
Loose fittings.
Tighten fittings.
Missing/worn rubber washer. Insert new washer.
Insert the spray wand into the spray
Spray wand not properly
attached.
Spray wand or
Spray extension
wand leaks.
wand extension. Carefully press in
against the spring tension and twist
into the locked position.
11
Slide the spray wand extension into
the gun. Turn the wand collar clock-
wise onto the gun threads until tight.
Spray wand extension not
properly attached.
Call Kärcher customer service
hotline and order repair kit
(part no. 2.883-111.0).
Broken o-ring or plastic
insert.
Pump is noisy.
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 leaks from
pump (up to 10
drops per minute
is permissible).
Loose fittings.
Check that all fittings are tight.
Thermal protection device
has been activated.
Thermal protection device will
automatically reset.
Water seals are damaged
or worn.
Call service center.
Call service center.
Oil Drip.
Oil seals are damaged or
worn.
If you encounter any additional
difficulties not listed, please call
our service center for help.
Karcher Customer Support USA
1-800-537-4129
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