K 6.55 M
High Pressure Washer Operator Manual
Overview ........................................................................ 2
Precautions ................................................................ 2-4
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 and Long-Term Storage ............................. 8
Cleaning Tips ........................................................... 9-10
Optional Cleaning Accessories ................................... 10
Troubleshooting ..................................................... 11-12
Specifications
Working Pressure
Max. Pressure
Max. Water Volume
Voltage
9400 kPa
1600 PSI
1.6 GPM
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.
5.960-854 (2005253-04-03)
IMPORTANT PRECAUTIONS – Read First!
Safety Warnings
GROUNDING INSTRUCTIONS
When using this product basic precautions
should always be followed:
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.
• Read all the instructions before using the
product.
• 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.
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 adaptor with this product.
• 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.
Extension Cords
Use a sufficient gauge:
Up to 25 ft = 12/3 AWG
• To reduce the risk of electrocution, keep all
connections dry and off the ground. Do not
touch plug with wet hands.
• The Trigger Gun Safety Lock PREVENTS the
trigger from accidentally being engaged. This
safety feature DOES NOT lock trigger in the
on position.
25 to 50 ft = 10/3 AWG
3
Use only 3-wire extension cords that have 3-
prong grounding-type plugs and 3-pole cord
connectors that accept the plug from the
product. Use only extension cords that are
intended for 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.
WARNING
• DO NOT USE WITH FLAMMABLE LIQUIDS
AND TOXIC CHEMICALS.
• 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 IMMEDIATELY.
• THISSYSTEMISCAPABLEOFPRODUCING
1600 PSI. TO AVOID RUPTURE AND
INJURY, DO NOT OPERATE THIS PUMP
WITH COMPONENTS RATED LESS THAN
1600
PSI
WORKING
PRESSURE
(INCLUDING BUT NOT LIMITED TO SPRAY
GUNS, HOSE AND HOSE CONNECTIONS).
• BEFORE SERVICING, CLEANING OR RE-
MOVAL OF ANY PARTS, SHUT OFF POWER
AND RELIEVE PRESSURE.
• DO NOT SPRAY ELECTRICAL APPARATUS
AND WIRING.
• IF CONNECTION IS MADE TO A POTABLE
WATER SYSTEM, THE SYSTEM SHALL BE
PROTECTED AGAINST BACKFLOW.
Caution
• Follow the maintenance instructions
specified in the manual.
• 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
Water Supply (Cold Water Only)
• Never use the pressure washer to draw in
water contaminated with solvents, e.g.
paint thinners, gasoline, oil, etc.
NOTE: Dirt in the feed water will
damage the unit. To avoid this risk,
we recommend fitting a water filter.
• Water hose must be at least a 1/2 inch or
5/8 inch in diameter.
• 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.
• The water supply temperature must not
exceed 104°F/40°C.
• Always prevent debris from being drawn into
the unit by using a clean water source and an
accessory water filter if required.
ASSEMBLY INSTRUCTIONS
4
Step 1
Step 2
Step 3
Attach the handle to the frame Attach the gun/hose storage
Insert the detergent tray into
the slot.
of the pressure washer. Align
holes, insert bolts, and
handle.
thighten with the knobs.
Step 4
Screw in the fastener.
Step 5
Pull out the locking slide from
Step 6
Push the locking slide back into
the right side of the trigger gun the trigger gun to lock the hose
handle. Insert the small end of in position.
the high pressure hose into
place.
OPERATING INSTRUCTIONS
Step 1
Step 2
Connect the high pressure hose to the unit’s
high pressure outlet.
Insert the variopower nozzle into the trigger
gun. Press in against the spring tension and
twist into the locked position.
5
Step 4
Step 3
Connect garden hose to the cold water
Connect garden hose to unit’s water inlet.
source and turn water on completely.
Step 5
Step 6
Plug the power cord into the power outlet.
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.
Turn on the pressure washer (I).
NOTE: This unit is equipped with a
pressure switch. The motor only starts up
when the trigger on the gun is pulled.
The motor shuts off when the trigger is
released.
USING THE ACCESSORIES
Variopower Nozzle
Wash Brush
This brush is ideal for removing stubborn
dirt and stains from finished surfaces.
Use with detergents only.
The variopower nozzle allows you to adjust
the cleaning pressure. To clean at maximum
pressure, the variopower nozzle must be
positioned to the high pressure setting (+).
To apply detergent, the variopower nozzle
must be positioned to the low pressure
setting (-).
For lower pressure turn nozzle
collar in the minus (-) direction.
6
For higher pressure turn nozzle
collar in the plus (+) direction.
Warning
TO AVOID SERIOUS INJURY, NEVER POINT SPRAY NOZZLE AT YOURSELF,
OTHER PERSONS OR ANIMALS
WORKING WITH DETERGENTS
The high pressure setting is used for cleaning, you cannot apply detergents when working at high
pressure. To apply detergents you must be operating at low pressure (–).
Step 1
Step 3
Install the wash brush or the variopower nozzle.
Set the variopower nozzle to the low pressure
setting (-) by turning the nozzle collar. The nozzle
must be set in the low pressure (-) position to
apply detergents.
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, from bottom to top. 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.
7
Always Use Kärcher Detergents
for Best Results.
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:
1-800-465-4980
The following Kärcher detergents are
available:
1-800-465-4980
• Pressure Wash
• Deck Wash
• Degreaser
Step 2
Place the filter end of detergent suction
tube into the jug.
• Touchless Vehicle Wash
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.
SHUTTING DOWN & CLEAN-UP
Step 1
Step 2
Step 3
Step 4
Remove detergent suction Turn the switch to
tube from jug and insert
off (0) position and
into 1 gallon (5 L) of fresh unplug cord from
Turn off the water
source.
Press trigger to
release water
pressure.
water. Siphon water at
low pressure for one
minute.
outlet.
8
Step 6
Step 5
Disconnect the high pressure hose from the high
Disconnect the garden hose
pressure outlet and engage the gun safety lock.
from the water inlet on the unit.
TAKING A BREAK... five minutes or more
Step 1
Engage gun
safety lock.
Step 2
Turn pressure
washer to off (O)
position.
WINTERIZING AND LONG-TERM STORAGE
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.
1. Disconnect all water connections.
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.
CLEANING TIPS
Recommendations
Cement Patios, Brick & Stone
(with or without detergent)
• Before cleaning any surface an
inconspicuous area should be cleaned to
test spray pattern and distance for
maximum cleaning results.
Pre-rinse cleaning surface with fresh water. If
using Kärcher Pressure Wash or Degreaser,
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 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.
• 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.
Deck Cleaning
(with or without detergent)
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 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, place
detergent suction 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
surface. 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.
9
House Siding
(with or without detergent)
Pre-rinse cleaning surface with fresh water. If
using Kärcher Pressure Wash, place
detergent suction tube directly into cleaning
solution and 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
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.
CLEANING TIPS – continued
Barbecue Grills, Outdoor Power
Patio & Lawn Furniture
(with or without detergent)
Equipment & Gardening Tools
Pre-rinse furniture and surrounding area with
fresh water. If using Pressure Wash, place
detergent suction tube directly into cleaning
solution and 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 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.
(with or without detergent)
Pre-rinse cleaning surface with fresh water. If
using Kärcher Pressure Wash or
Degreaser, place detergent suction tube
directly into cleaning solution and 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.
10
OPTIONAL CLEANING
Optional cleaning accessories are available to further enhance your cleaning capabilities:
• Rotating Wash Brush
• Wash Brush
• Sandblasting Attachment
• Water Siphon Kit
• Underbody Wand
• Pipe Drain Cleaner
• 25’ Extension Hose
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.
Cause
Solution
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
Extension cord is not proper gauge. either a 25 ft. 12/2 gauge cord
Extension cord is damaged.
or a 50 ft. 10/2 gauge cord.
Try a different outlet.
Electrical outlet does not supply
adequate power.
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.
Remove filter and rinse out in
warm water.
11
Power nozzle is in low pressure
position.
Turn power nozzle to high
pressure position.
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.
Blow out or remove debris with a
fine needle.
Calcified gun, hose or power
nozzle.
Run distilled vinegar through
detergent tank.
TROUBLESHOOTING – continued
Symptom
Cause
Solution
No detergent.
Detergent is too thick.
Dilute 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.
Variopower nozzle is in high
pressure position.
Turn nozzle tip to low pressure
position.
Discharge nozzle is obstructed.
Blow out or remove debris with a
fine needle.
Garden hose
Loose fittings.
Tighten fittings.
connection leaks.
Missing/worn rubber washer.
Insert new washer.
Variopower nozzle leaks.
Spray nozzle not properly attached. Insert the spray nozzle into the
trigger gun. Carefully press in
against the spring tension and
twist into the locked position.
12
Broken o-ring or plastic insert.
Pump is sucking air.
Call Customer Service.
Pump is noisy.
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 Loose fittings.
Check that all fittings are tight.
to 10 drops per minute is
permissible).
Water seals are damaged or worn. Call Customer Service.
Oil seals are damaged or worn.
Call Customer Service.
Oil Drip.
If you encounter any additional difficulties not listed, please call
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