Kärcher K 460 M User Manual

Kärcher K 460 M

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Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . .3

Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . .4

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 K 460 M Part No. 1.189-203.0

High Pressure Washer Operator Manual

Specifications

Operating pressure 1300 PSI

Water volume 1.6 GPM

Voltage 120 V

Amp draw 14 AMPS

Table of Contents

Questions and Answers:

D
daniel83Jul 31, 2025
What to do if my Kärcher K 460 M Pressure Washer doesn't reach high pressure?
- D
  David RobertsJul 31, 2025
  If your Kärcher Pressure Washer isn't reaching high pressure, consider these potential causes and solutions: the diameter of the garden hose may be too small, so replace it with a 3/4 inch garden hose; the water supply may be restricted, so check the garden hose for kinks, leaks, and blockages; there may not be enough inlet water supply, so open the water source fully; the water inlet filter may be clogged, so remove the filter and rinse it in warm water; or the soap nozzle may be installed, so remove the soap nozzle and connect the spray wand.
M
Maria MorrisAug 10, 2025
Why won't my Kärcher K 460 M Pressure Washer motor start?
- M
  michellemartinezAug 10, 2025
  If your Kärcher Pressure Washer motor won't start, possible causes include: the On/Off switch is in the “OFF” position (turn it to the “ON” position); the power cord is not plugged in (plug it in); the extension cord is too long, not the proper gauge, or damaged (replace it with a 25 ft. 12/2 gauge cord or a 50 ft. 10/2 gauge cord); the electrical outlet does not supply adequate power (try a different outlet); or a tripped circuit breaker (reset the breaker or ground fault circuit interrupter).
Z
Zachary CoxAug 20, 2025
How to fix fluctuating output pressure on my Kärcher K 460 M?
- B
  Brian CarterAug 20, 2025
  If the output pressure on your Kärcher Pressure Washer varies, it could be due to: insufficient inlet water supply (turn the water on full force and check the garden hose for kinks, leaks, or blockages); the pump sucking air (check that hoses and fittings are airtight, then turn off the machine and purge the pump by squeezing the trigger gun until a steady flow of water emerges through the nozzle); a clogged water inlet filter (remove the filter and rinse it in warm water); an obstructed discharge nozzle (blow out or remove debris with a fine needle); or a calcified gun, hose, or spray wand (run distilled vinegar through the detergent suction tube).

Kärcher K 460 M Specifications

General

Brand	Kärcher
Model	K 460 M
Category	Pressure Washer
Language	English

Summary

Overview

Important Precautions

Safety Warnings

General safety guidelines for operating the pressure washer.

Extension Cords

Guidelines for selecting and using safe extension cords.

Ground Fault Circuit Interrupter Protection

Requirements for GFCI protection to prevent electrocution.

This Product Is Double Insulated

Explanation of the product's double insulation feature.

Assembly Instructions

Water Supply (Cold Water Only)

Specifies requirements for water supply connection.

Operating Instructions

Using the Accessories

High/low spray wand

Details on the dual-function spray wand.

Wash brush

Information on using the wash brush attachment.

Soap Nozzle

How to use the soap nozzle for detergent application.

Rotating spray wand

Description of the rotating spray wand's function.

Working with Detergents

Shutting Down & Clean-Up

Taking a Break

Instructions for short breaks during operation.

Winterizing and Long-Term Storage

Procedures for storing the unit during cold weather or long periods.

Cleaning Tips

Deck Cleaning

Tips for cleaning decks with the pressure washer.

House Siding

Guidance for cleaning house siding.

Cement Patios, Brick and Stone

Cleaning advice for hard surfaces.

Cars, Boats & Motorcycles

Tips for washing vehicles.

Optional Cleaning Accessories

Troubleshooting

Motor will not start

Solutions for when the motor fails to start.

Unit does not reach high pressure

Troubleshooting steps for low pressure issues.

Output pressure varies high and low

Diagnosing fluctuating pressure outputs.

No detergent

Reasons why detergent is not being dispensed.

Garden hose connection leaks

How to fix leaks at the garden hose connection.

Spray wand or Spray wand extension leaks

Troubleshooting leaks in the wand assembly.

Pump is noisy

Identifying causes for a noisy pump.

Water leaks from pump (up to 10 drops per minute is permissible)

Addressing minor water leaks from the pump.

Oil Drip

Causes and solutions for oil drips.

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