Karcher K 502 User 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

Model K502M Part No.1.069-935.0

High Pressure Washer Operator Manual

Specifications

Operating pressure 1500 PSI
Water volume 1.7 GPM
V oltage 120 V
Amp draw 13 AMPS

In USA Call:

1-800-537-4129

or visit our website:

www.karcher-usa.com

1

NEVER!

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

2

1

9

3

7

6

8

11

10

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.
Never let electrical connections rest in water.
Never operate pressure washer without the water turned on.
Never use hot water.

4

13

14

5

12

2

IMPORTANT PRECAUTIONS – Read First!

Safety Warnings

When using this product, basic precau­tions should always be followed:

• Read all the instr uctions 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.

• Lear n 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
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.

3

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 2.5 GPM (gallons per minute).

• Flow rate can be determined by running
the water for one minute into an empty
5-gallon container.

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

Step2 Slide the hose caddy into the slots

on the transport handle and snap into place.

Step3

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.

Step1 Place the transpor t 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.

Step4

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.