Model K 502 M Part No. 1.069-935.0
High Pressure Washer Operator Manual
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3 Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . .3 Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . .4 GFCI Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 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 |
1.7 GPM |
Voltage |
120 V |
Amp draw |
13 AMPS |
In USA Call:
1-800-537-4129 or visit our website: www.karcher-usa.com
Model K 502 M OVERVIEW
Item Description
1.Vario spray wand
2.Power cord with Ground Fault Circuit Interrupter (GFCI)
3.Trigger gun
4.Trigger gun safety lock
5.High pressure hose
6.Water inlet
7.Transport bracket
8.Hose caddy
9.Detergent suction tube and filter with metering valve
10.High pressure outlet (not pictured)
11.On/Off switch
12.Spray wand extension
13.Quick-connect adapter and coupling
14. Wash brush |
11 |
10
8
7
9
6
1
2 
14 |
12 |
Never |
point nozzle at people or animals. |
|
drink alcohol or use drugs while operating this equipment. |
Never |
|
|
operate while standing in water. |
Never |
|
|
touch plug with wet hands. |
Never |
|
|
let electrical connections rest in water. |
Never |
|
|
operate pressure washer without the water turned on. |
Never |
|
|
use hot water. |
Never |
IMPORTANT PRECAUTIONS – Read First!
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
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 Gun Safety Lock PREVENTS the trigger from accidentally being engaged. This safety feature DOES NOT lock trigger in the on position.
Extension Cords
Use a sufficient gauge: Up to 25 ft = 12/3 AWG; 25 to 50 ft = 10/3 AWG. Use only extension cords that are intended for outdoor use. These extension cords are identified by the 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.
Ground Fault Circuit Interrupter (GFCI) Protection
This unit is supplied with a portable Ground Fault Circuit Interrupter (GFCI). UL indicates that the power cord has been investigated for compliance with the applicable provisions of UL 943, Third Edition (Standard for Ground Fault Circuit Interrupters) and other applicable standards. If power is interrupted in the line, the GFCI will automatically reclose the circuit to the load after power is restored. Depending on the GFCI model, it may be necessary to manually operate the reset button to restore power to the GFCI load circuit.
This Product Is |
2 |
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 doubleinsulated 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 doubleinsulated product is marked with the words, “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.
IMPORTANT PRECAUTIONS – continued
• 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.
• Always prevent debris from being drawn into the unit by using a clean water source.
ASSEMBLY INSTRUCTIONS
3
Step 1 Place the transport handle onto the mounting brackets on the sides of the washer and align the four holes. Hold each four-sided nut with one finger while inserting each screw and tighten with a screwdriver.
Step 2 Slide the hose caddy into the slots on the transport handle and snap into place.
Step 3 Pull out the locking slide from the right side of the trigger gun handle, and insert the small end of the high pressure hose into place. Push the locking slide back into the trigger gun to lock the hose in position.
Step 4 Insert the Spray Wand Extension into the trigger gun. Press in against the spring tension and twist into the lock position. Turn the Spray Wand Extension Collar clockwise until tight.
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