Karcher Pressure Washer K 379 M User Manual

K 3.79 M  
High Pressure Washer  
Operator Manual  
Overview ................................................. 2  
Precautions ........................................ 3 - 4  
Assembly Instructions ............................ 4  
Operating Instructions ............................ 5  
Using the Accessories ........................... 6  
Working with Detergents ......................... 7  
Shut Down and Clean-Up ........................ 8  
Taking a Break ........................................ 8  
Winterizing andLong-Term  
Storage .............................................. 8 - 9  
Cleaning Tips ................................... 9 - 10  
Optional Cleaning Accessories .............10  
Troubleshooting ................................ 11-12  
F
F
O
O/  
Specifications  
ON  
I/  
Working Pressure ...................... 9000 kPa  
............................................... 1300 PSI  
Max. Pressure............................ 1500 PSI  
Max. Water volume ..................... 1.6 GPM  
Voltage ............................................. 120 V  
Amp draw ................................... 13 AMPS  
Please keep the original box, packaging and receipt.  
Before operating this unit, please read this manual thoroughly and  
retain it for future reference.  
Part No. 1.423-922.0  
Manual Part No. 5.961-170.0 11/03EN  
 
IMPORTANT PRECAUTIONS – Read First!  
Extension Cords  
Safety Warnings  
Use a sufficient gauge:  
When using this product basic precautions  
Up to 25 ft = 12/3 AWG.  
25 to 50 ft =10/3 AWG.  
Use only extension cords that are intended for  
should always be followed:  
• Read all the instructions before using the  
product.  
outdoor use. These extension cords are  
identified by a marking “Acceptable for use  
with outdoor appliances; store indoors while  
not in use.” Use only extension cords having  
an electrical rating not less than the rating of  
the product. Do not use damaged extension  
cords. Examine extension cord before using  
and replace if damaged. Do not abuse  
extension cord and do not yank on any cord  
to disconnect. Keep cord away from heat and  
sharp edges. Always disconnect the extension  
cord from the receptacle before disconnecting  
the product from the extension cord. If you are  
using an extension cord, it should always be  
completely unwound from the cable drum.  
• High pressure jets can be dangerous if  
subject to misuse. The jet must not be  
directed at persons, animals, electrical  
devices, or the machine itself.  
To reduce the risk of injury, do not operate  
the machine near children.  
• Learn how to stop the machine and release  
pressure quickly. Be thoroughly familiar with  
the controls.  
• Stay alert — watch what you are doing.  
• Wear safety goggles.  
• Do not use acids, solvents, or any other  
flammable material in this product. These  
products can cause physical injuries to the  
operator and irreversible damage to the  
machine.  
• Do not operate the product when fatigued  
or under the influence of alcohol or drugs.  
• Do not stand on unstable surfaces. Stand  
with both feet balanced at all times.  
To reduce the risk of electrocution, keep all  
connections dry and off the ground. Do not  
touch plug with wet hands.  
Grounding Instructions  
This product must be grounded. If it should  
malfunction or breakdown, grounding  
provides a path of least resistance for electric  
current to reduce the risk of electric shock.  
This product is equipped with a cord having  
an equipment-grounding conductor and a  
grounding plug. The plug must be plugged  
into an appropriate outlet that is properly  
installed and grounded in accordance with all  
local codes and ordinances.  
3
• The Trigger Gun Safety Lock PREVENTS the  
trigger from accidentally being engaged.  
This safety feature DOES NOT lock trigger  
in the on position.  
DANGER- Improper connection of the  
equipment-grounding conductor can result in  
a risk of electrocution. Check with a qualified  
electrician or service personnel if you are in  
doubt as to whether the outlet is properly  
grounded. Do not modify the plug provided  
with the product - if it will not fit the outlet,  
have a proper outlet installed by a qualified  
electrician. Do not use any type of adapter  
with this product.  
WARNING  
• DO NOT SPRAY ELECTRICAL APPARATUS  
AND WIRING.  
DO NOT USE WITH FLAMMABLE LIQUIDS AND  
TOXICCHEMICALS  
INJECTION HAZARD: EQUIPMENT CAN CAUSE  
SERIOUS INJURY IF THE SPRAY PENETRATES  
THE SKIN. DO NOT POINT THE GUN AT ANYONE  
OR ANY PART OF THE BODY. IN CASE OF  
PENETRATION SEEK MEDICAL AID IMMEDIA-  
TELY.  
Caution  
• Follow the maintenance instructions  
specified in the manual.  
THIS SYSTEM IS CAPABLE OF PRODUCING  
9000 KPA (1300 PSI). TO AVOID RUPTURE  
AND INJURY, DO NOT OPERATE THIS PUMP  
WITH COMPONENTS RATED LESS THAN  
9000 KPA (1300 PSI) WORKING PRESSURE  
(INCLUDING BUT NOT LIMITED TO SPRAY  
GUNS, HOSE AND HOSE CONNECTIONS).  
BEFORE SERVICING, CLEANING OR  
REMOVING ANY PARTS, SHUT OFF POWER  
AND RELIEVE PRESSURE.  
• This machine has been designed for use  
with cleaning detergent supplied  
or recommended by the manufacturer.  
The use of other cleaning detergents  
may affect the operation of the machine  
and void the warranty.  
 
IMPORTANT PRECAUTIONS – continued  
• Never use the pressure washer to draw in  
water contaminated with solvents, e.g.  
paint thinners, gasoline, oil, etc.  
Water Supply (Cold Water Only)  
• Water hose must be at least 1/2 inch or  
5/8 inch in diameter.  
NOTE: Dirt in the feed water will  
damage the unit. To avoid this risk,  
we recommend fitting a water filter.  
• Flow rate of water supply must not fall  
below 2 GPM (gallons per minute).  
• Flow rate can be determined by running the  
water for one minute into an empty  
5-gallon container.  
• Always prevent debris from being drawn  
into the unit by using a clean water source  
and an accessory water filter if required.  
• The water supply temperature must not  
exceed 104°F/40°C.  
Save these instructions!  
ASSEMBLY INSTRUCTIONS  
!
4
Step 1  
Step 2  
Step 3  
5
Step 5  
Step 4  
Pull out the locking slide from the right side of the  
trigger gun handle (A), and insert the small end of the  
high pressure hose into place (B). Push the locking  
slide back into the trigger gun to lock the hose in  
position.  
 
OPERATING INSTRUCTIONS  
Step 2  
Insert the spray wand of your choice into the  
trigger gun. Press in against the spring  
tension and twist into the locked position.  
Step 1  
Connect the high pressure hose to the high  
pressure outlet.  
5
Step 4  
Connect garden hose to the cold water  
source and turn water on completely.  
Plug the power cord into the power outlet.  
Step 3  
Connect the garden hose to the water inlet.  
O/OFF  
O
O
N
N
/
I/  
I
Step 6  
Step 5  
Turn on the pressure washer (I). The motor  
starts only if the trigger of the gun is  
pulled and shuts off when the trigger is  
released.  
Unlock the lock of the trigger gun (A). Trigger  
the gun (B) to eliminate trapped air, wait for a  
steady flow of water to emerge from the  
spray nozzle.  
 
USING THE ACCESSORIES  
Vario power spray wand  
The Vario power spray wand allows you to adjust the cleaning pressure. To clean at maximum  
pressure, the wand must be positioned to the high pressure setting (+).  
To apply detergent, the wand must be positioned to the low pressure setting (-).  
For lower  
pressure turn  
wand collar in the  
minus () direction.  
For higher  
pressure turn  
wand collar in the  
plus (+) direction.  
Rotary spray wand  
Warning  
This wand features a 0º pencil jet which  
rotates 360º for maximum dirt cutting action,  
effectively increasing cleaning performance  
up to 50%. This wand combines the cleaning  
performance of a 0º pencil jet with the  
surface coverage of a wide angle nozzle. Not  
recommended for soft materials, siding,  
painted surfaces, decks or autos.  
TO AVOID SERIOUS INJURY, NEVER  
POINT SPRAY NOZZLE AT YOURSELF,  
OTHER PERSONS OR ANIMALS  
6
 
WORKING WITH DETERGENTS  
To apply detergents you must be operating at low pressure (–).  
Step 1  
Install the Vario power spray wand. Set the wand to the low pressure setting (–) by turning the  
wand collar.  
Note: The wand must be set in the low pressure (–) position to apply detergents.  
7
Step 2  
Step 3  
Fill detergent tank with 1.0 L of Kärcher  
detergent.  
Turn on the pressure washer. 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.  
For best results see Cleaning Tips on pages 9 & 10 for specific  
information on how to clean different surfaces.  
Always Use Kärcher Detergents for Best  
Results.  
The following Kärcher detergents are  
available:  
Kärcher biodegradable detergents are  
specially formulated to protect the environment  
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 Kärcher  
detergents, check your retailer or call:  
• Pressure Wash  
• Deck + Fence Wash  
Degreaser  
• Vehicle Wash  
Caution  
• Bleach, Chlorine products and other  
corrosive chemicals  
Never use:  
• Liquids containing solvents  
(i.e., paint thinners, gasoline, oils)  
• Tri-sodium phosphate products  
• Ammonia products  
1-800-465-4980  
• Acid-based products  
These chemicals will harm the unit and  
will damage the surface being cleaned.  
 
SHUTTING DOWN & CLEAN-UP  
OFF  
/
O
ON  
/
I
Step 1  
Step 2  
Step 3  
Turn the switch to off (O)  
position and unplug cord  
from outlet.  
Turn off the water  
source.  
Press trigger to release  
water pressure.  
A
B
8
Step 4  
Step 5  
Step 6  
Disconnect the garden hose from  
the water inlet on the unit.  
Disconnect the high pressure hose Release trigger (A)  
from the high pressure outlet.  
and engage gun  
safety lock (B).  
TAKING A BREAK... five minutes or more  
A
OFF  
/
O
Step 1  
Release trigger (A)  
and engage gun  
safety lock (B).  
Step 2  
ON  
Turn pressure washer  
to off (O) position.  
B
/
I
WINTERIZING AND LONG-TERM STORAGE  
1. Disconnect all water connections.  
4. Store the machine and accessories in  
a room which does not reach freezing  
temperatures. DO NOT store near  
furnance or other sources of heat as it  
may dry out the pump seals.  
2. Turn on the machine for a few seconds,  
until the water which had remained in  
the pump exits. Turn off immediately.  
3. Do not allow high pressure hose to  
become kinked.  
Caution: Failure to follow the above  
directions will result in damage to the pump  
assembly and accessories.  
 
WINTERIZING AND LONG-TERM STORAGE continued  
6) Cleaning the  
5) Cleaning the  
detergent inlet filter  
Pull it out and rinse out  
in warm water.  
water inlet filter  
Pull out the water in-  
let filter with flat-nose  
pliers and rinse out in  
warm water.  
Maintenance  
The unit is  
maintenance-free.  
CLEANING TIPS  
Deck Cleaning  
Cement Patios, Brick and  
(with or without detergent)  
Stone  
Pre-rinse deck and surrounding area with  
fresh water. If using Kärcher Deck + Fence  
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.  
(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.  
9
For removing extremely stubborn stains,  
use the rotary spray wand.  
Caution: Do not use rotary spray wand on  
wood surfaces as it may cause damage.  
Cars, Boats & Motorcycles  
(with or without detergent)  
Pre-rinse vehicle with fresh water. If using  
Kärcher 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.  
House Siding  
(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  
Pressure 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  
(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.  
Caution: Do not use the rotary spray  
wand on vehicles as it may cause  
damage.  
Caution: Do not use rotary spray wand on  
siding as it may cause damage.  
 
CLEANING TIPS – continued  
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.  
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.  
Caution: Do not use rotary spray wand  
on patio or lawn furniture as it may cause  
damage.  
Recommendations  
• Before cleaning any surface an  
inconspicuous area should be cleaned to  
test spray pattern and distance for  
maximum cleaning results.  
Caution: Do not use rotary spray wand on  
cloth, plastic or other sensitive surfaces  
as it may cause damage.  
• If painted surfaces are peeling or  
chipping, use extreme caution as  
pressure washer may remove the loose  
paint from the surface.  
Patio & Lawn Furniture  
(with or without detergent)  
• When using on surfaces which might  
come in contact with food, flush surfaces  
with plenty of drinking water.  
Pre-rinse furniture and surrounding area with  
fresh water. If using Pressure Wash, apply to  
surface at low pressure. Allow Pressure  
10  
OPTIONAL CLEANING ACCESSORIES  
Optional cleaning accessories are available to further enhance your cleaning capabilities: For  
details call 1-800-465-4980 or visit www.karcher.ca  
• Rotating Wash Brush  
• Wash Brush  
• Underbody Wand  
• Pipe Drain Cleaner  
• Sandblasting Attachment  
• Extension wand  
• Water Siphon Kit  
• 25’ Extension Hose  
T-Racer  
KÄRCHER 2 YEAR WARRANTY  
KÄRCHER CANADA INC. warrants to the original owner that this product shall be free from  
defects in material and workmanship for two years from the date of its original purchase. If  
such a defect appears during the warranty period, upon presentation of proof of purchase,  
KÄRCHER CANADA INC. will repair or replace (at its option) your product without charge.  
This warranty does not cover accidental damage, unreasonable use, normal wear and tear,  
loss of use or other consequential damages, nor does it cover repairs made or attempted by  
unauthorized persons.  
Trigger gun, hose, spray wands and other accessories are warranted for 3 months.  
Please note that no returns will be accepted without prior authorization from our customer  
service department.  
It is the owner’s responsibility to file claims for damage caused by public transportation  
carriers directly with the carrier concerned.  
 
TROUBLESHOOTING  
Disconnect the machine from the power source before making any repair.  
Symptom  
Cause  
Solution  
Motor will not start.  
On/Off switch is in the “OFF” (O)  
position.  
Turn switch to the “ON” (I) position  
Power cord is not plugged in.  
Extension cord is too long.  
Plug in power cord.  
Replace extension cord with either  
Extension cord is not proper gauge. a 25 ft. 12/3 gauge cord or a 50  
Extension cord is damaged.  
ft. 10/3 gauge cord.  
Electrical outlet does not supply  
adequate power.  
Try a different outlet.  
Unit does not reach high  
pressure.  
Diameter of garden hose is too  
small.  
Replace with a 1/2 inch or 5/8 inch  
garden hose.  
Water supply is restricted.  
Check garden hose for kinks, leaks  
and blockage.  
Not enough inlet water supply.  
Water inlet filter is clogged.  
Open water source full force.  
11  
Remove filter and rinse out in  
warm water.  
Spray wand is on low pressure  
position.  
Turn spray wand to high pressure  
position.  
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.  
Water inlet filter is clogged.  
Remove filter and rinse out in  
warm water.  
Discharge nozzle is obstructed.  
Calcified gun, hose or spray wand.  
Blow out or remove debris with a  
fine needle.  
Run distilled vinegar through  
detergent tank.  
 
TROUBLESHOOTING – continued  
Symptom  
Cause  
Solution  
No detergent.  
Detergent is too thick.  
Dilute detergent.  
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.  
Spray wand leaks.  
Pump is noisy.  
Spray wand not properly attached. Insert the spray wand into the  
trigger gun. Carefully press in  
against the spring tension and twist  
into the locked position.  
Broken o-ring or plastic insert.  
Pump is sucking air.  
Call Customer Service.  
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.  
12  
Water leaks from pump  
(up to 10 drops per minute  
is permissible).  
Loose fittings.  
Check that all fittings are tight.  
Water seals are damaged or worn. Call Customer Service.  
Oil seals are damaged or worn.  
Call Customer Service.  
Oil Drips.  
1-800-537-4129  
If you encounter any additional difficulties not listed, please call Customer Service  
at 1-800-465-4980 for help, or visit www.karcher.ca  
 

Intel Computer Hardware BOXDH55HC User Manual
Invacare Mobility Aid Nutron Series User Manual
JBL Car Speaker 4894 90 User Manual
Jensen Clock Radio JCR175 User Manual
JVC Automobile CB V910 User Manual
JVC Flat Panel Television HD Z70RF7 HD Z61RF7 User Manual
Kathrein Car Satellite Radio System CAP 700 User Manual
Kenwood Cassette Player 101CT User Manual
Kenwood Stereo System HM 383MD User Manual
Kidde Carbon Monoxide Alarm KN COPF I User Manual