Karcher Pressure Washer K 3000 G User Manual

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  
 
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.  
 
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.  
 
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.  
 
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.  
 
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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