Karcher K 370 M User Manual
Model K 370 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
Max. Pressure 1400 PSI
Max. Water volume 1.7 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.
5.959-958 / 05.01
OVERVIEW High Pressure Washer
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2
Machine includes
1 Detergent filter and suction tube
2 On/Off switch
3 High pressure outlet
4 Water inlet
5 Quick connect adapter male
6 Quick connect adapter female
7 High/Low pressure nozzle
8 Trigger gun safety lock
9 Trigger gun with high pressure hose
10 Transport bracket
11 Power cord
NEVER!
Never point nozzle at people or animals.
Never drink alcohol or use drugs while operating this equipment.
Never operate while standing in water.
Never touch plug with wet hands.
Neverlet electrical connections rest in water.
Never operate pressure washer without the water turned on
Never use hot water
THE BEST ANTI-FREEZE PROTECTION IS PROVIDED BY
STORING THE MACHINE IN SHELTERED SPACE
IMPORTANT PRECAUTIONS – Read First!
PRODUCING 1400 PSI. TO AVOID
ENTS RATED LESS THAN 1400 PSI
Safety Warnings
When using this product basic precautions
should always be followed:
• 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.
• 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.
• The Trigger Gun Safety Lock PREVENTS
the trigger from accidentally being
engaged. This safety feature DOES NOT
lock trigger in the on position.
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.
• THIS SYSTEM IS CAPABLE OF
RUPTURE AND INJURY, DO NOT
OPERATE THIS PUMP WITH COMPONWORKING PRESSURE (INCLUDING
BUT NOT LIMITED TO SPRAY GUNS,
HOSE AND HOSE CONNECTIONS).
• BEFORE SERVICING, CLEANING OR
REMOVAL ANY PARTS, SHUT OFF
POWER AND RELIEVE PRESSURE.
Extension Cords
Use a sufficient gauge:
Up to 25 ft = 12/2 AWG:
25 to 50 ft =10/2 AWG.
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. If you are using an extension cord, it
should always be completely unwound from
the cable drum.
This Product is double
insulated
In a double-insulated product, two systems
of insulation are provided instead of
grounding. No grounding method is provided
on a double-insulated product, nor should a
method for grounding be added to the
product. Servicing a double-insulated product
requires extreme care and knowledge of the
system, and should be done only by qualified
service personnel. Replacement parts for a
double-insulated product must be identical
to the parts they replace. A double-insulated
product is marked with the words “DOUBLEINSULATION” or “DOUBLE-INSULATED”.
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.
3
IMPORTANT PRECAUTIONS – continued
Water Supply (Cold Water Only)
• Water hose must be at least 3/4 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.
• 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.
• 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
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