KARCHER HD 6-15-4 High Pressure Washer User Manual

: June 10, 2024
: Karcher

HD 6-15-4 High Pressure Washer

User Manual

HD 6-15-4 High Pressure Washer

Please read and comply with these original instructions prior to the initial operation of your appliance and store them for later use or subsequent owners.

Device elements

Please unfold the front picture side

Power switch
Trigger gun storage clip
Push handle
Storage compartment for hoses
Cover
Truss-head screw, washer, nut
Cable hook, rotating
Water connection
Water filter
High pressure connection
Storage for spray pipe
Oil drain screw
Oil level indicator
Oil fill screw
Pressure and volume regulation
Storage compartment for nozzles
Nozzle screws
Nozzle
Spray lance
Trigger gun
Lever for trigger gun
Safety lever
High pressure hose

Safety instructions

Please read the operating instructions for your machine before using it, and pay particular attention to the following safety instructions.
Warning and information plates on the machine provide important directions for safe operation.
Apart from the notes contained herein the general safety provisions and rules for the prevention of accidents of the legislator must be observed.

Hazard levels

DANGER
Pointer to immediate danger, which leads to severe injuries or death.
WARNING
Pointer to a possibly dangerous situation, which can lead to severe injuries or death.
CAUTION
Pointer to a possibly dangerous situation, which can lead to minor injuries.
ATTENTION
Pointer to a possibly dangerous situation, which can lead to property damage.

Symbols on the machine

High-pressure jets can be dangerous if improperly used. The jet may not be directed at persons, animals, live electrical equipment or at the appliance itself.
According to the applicable regulations, the appliance must never be used on the drinking water net without a system separator. Use a suitable system separator manufactured by Kircher; or, as an alternative, a system separator as per EN 12729 Type BA. Water flowing through a system separator is considered non-drinkable.
The appliance contains hot surfaces that can lead to burn injuries.
Risk of electric shock. The casing must only be opened by electricians.

Power connection

The voltage indicated on the type plate must correspond to the voltage of the electrical source.
Minimum fuse strength of the socket (see Technical Data).
Safety class I – Appliances may only be connected to sockets with proper earthing.
It is recommended that you connect this device to a socket that has a 30 mA protection switch against wrong currents.
Please use the mains cable prescribed by the manufacturer; the same is also applicable when you replace the cables. See Operating Instructions Manual for Order Number and Type.
Check the power cord with mains plug for damage before every use. If the power cord is damaged, please arrange immediately for the exchange by an authorized customer service or a skilled electrician.
The appliance may only be connected to an electrical supply which has been installed by an electrician in accordance with IEC 60364.
Operating procedures create short term power sinkings.
During unfavorable net conditions other devices might be disturbed.
Never touch the mains plug with wet hands.
Make sure that the power cord or extension cables are not damaged by running over, pinching, dragging or similar. Protect the cable from heat, oil, and sharp edges.
The extension cable must have the cross-section listed in the circuit plan and be protected against spraying wa- ter. The connection must not lie in wa- ter.
The mains plug and the coupling of an extension cable must be watertight and must never lie in water. Moreover, the coupling may never lie on the ground. The use of cable reels that ensure that the sockets are at least 60 mm above the ground is recommended.
Unsuitable electrical extension cables can be hazardous. Only use electrical extension cables outdoors which have been approved and labelled for this purpose and have an adequate cable cross-section.
The power cord must be checked regularly for damages, such as cracks or aging. If damage is found, the cable must be replaced before further use.
If couplings of the power cord or extension cable are replace the splash protection and the mechanical tightness must be ensured.
Do not clean the appliance with a water hose or high-pressure water jet (danger of short circuits or other damage).
Do not operate the appliance at temperatures below 0 °C.

Water connection

Please observe the safety instructions of your water supply authority.
Please ensure that screw connections of all hoses are not leaky.
The high pressure hose must not be damaged. A damaged high pressure hose must be replaced immediately.
Only hoses and joints recommended by the manufacturer may be used. See Operating Instructions Manual for Order Number.

Application

The appliance and its working equipment must be checked to ensure that it is in proper working order and is operating safely prior to use.
The appliance must not be used if a connecting line or important parts of the appliance, e.g. safety devices, highpressure hoses, spray guns, are damaged.
Never draw in fluids containing solvents or undiluted acids and solvents! This includes petrol, paint thinner and heatingoil. The spray mist thus generated is highly inflammable, explosive and poisonous. Do not use acetone, undiluted acids and solvents as they are aggressive towards the materials from which the appliance is made.
If the appliance is used in hazardous areas (e.g. filling stations) the corresponding safety provisions must be observed. It is not allowed to use the appliance in hazardous locations.
The appliance must be sitting on an even, stable ground.
Wear ear plugs if the operating instructions of the appliance (Technical data) mention a noise level of more than 80 dB(A).
All current-conducting parts in the working area must be protected against jet water.
The lever of the hand spray gun must not be locked during the operation.
Wear protective clothing and safety goggles to protect against splash back containing water or dirt.
High-pressure jets can be dangerous if improperly used. The jet may not be directed at persons, animals, live electrical equipment or at the appliance itself.
The jet must not be directed at other persons or directed by the user at him/ herself to clean clothing or footwear.
Vehicle tires/ tyro valves may be cleaned only with a minimum spray distance of 30 cm. Otherwise, the high pressure spray can cause damage to the vehicle tire/ tire valve. The discoloring of the tyro is the first sign of damage. Damaged vehicle tires are a source of danger.
Do not spray materials containing as- besots or other health-hazardous sub- stances.
With short spray lances, there is a risk of injury, as a hand can accidentally come in contact with the high pressure jet. If the spray lance is shorter than 75 cm, you must not use a point spray nozzle or a rotor nozzle.
Prior to cleaning, a risk assessment must be performed for the surface to be cleaned to determine the safety and health requirements. The respective required protective measures must be taken.
Do not open the hood when the motor is running.
Let the hoses cool off after hot water operation or operate the appliance briefly using cold water.
In case of extended downtimes, switch the appliance off at the main switch / appliance switch or remove the mains plug.

Operations

The operator must use the appliance properly. The person must consider the local conditions and must pay attention to third parties, in particular children, when working with the appliance.
Never leave the machine unattended so long as it is running.
The appliance may only used by persons who have been instructed in handling the appliance or have proven qualification and expertise in operating the appliance or have been explicitly assigned the task of handling the appliance. The appliance must not be operated by children, young persons or persons who have not been instructed accordingly.
This appliance is not intended for use by persons with reduced physical, sensory or mental capabilities.
The appliance must not be operated by children or persons who have not been instructed accordingly.
Do not use the appliance when there are other persons around unless they are also wearing safety gear.
Children should be supervised to prevent them from playing with the appliance.
Always use appropriate gloves while working on the device.
There is a recoil pressure arising from the water jet that comes out from the spray pipe. The angular spray pipe brings about an upward force. Hold the gun and the spray pipe tightly.
The recoil and bending forces may be different if you are using angular spray devices.

Transport

The engine is to be brought to a standstill and the appliance is to be fastened properly during transportation.

Maintenance

Switch off the appliance and, in case of appliances connected to the mains, pull out the power cord before cleaning and performing any maintenance tasks on the machine.
Relieve the high pressure system of all pressure prior to all work on the appliance and the accessories.
Maintenance work may only be carried out by approved customer service outlets or experts in this field who are familiar with the respective safety regulations.
Mobile industrial appliances are subject to safety inspections according to the local regulations (for e.g. the following are applicable in Germany: VDE 0701).

Accessories and Spare Parts

To avoid risks, all repairs and replacement of spare parts may only be carried out by the authorised customer service personnel.
Only use accessories and spare parts which have been approved by the manufacturer. The exclusive use of original accessories and original spare parts ensures that the appliance can be operated safely and trouble free.

Proper use

Use this high pressure cleaner exclusively for
– For cleaning using high pressure jet without detergent (for e.g. for cleaning facades, terraces, garden appliances).
For stubborn dirt, we recommend the use of the dirt blaster as a special accessory.

Safety Devices

Overflow valve with pressure switch
While reducing the water supply/quantity regulation at the pump head, the overflow valve opens and part of the water flows back to the pump suck side.
If the lever on the trigger gun is released the pressure switch turns off the pump, the high pressure jet is stopped. If the lever is pulled the pump is turned on again.

Environmental protection

| The packaging material can be recycled. Please do not throw the packaging material interhousehold waste; please send it for recycling.
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| Old appliances contain valuable materials that can be recycled; these should be sent for recycling. Batteries, oil, and similar substances must not enter the environment.
Please dispose of your old appliances using appropriate collection systems.

Notes about the ingredients (REACH)
You will find current information about the ingredients at:
www.kaercher.com/REACH

Before Startup

Unpacking

Check the contents of the pack before unpacking.
In case of transport damage inform vendor immediately.

Check oil level

The oil level must be at the centre of the oil level display.

Activate deuteration of oil container

Open the device hood.
Unscrew the screw plug.
Screw in oil filling screw.
Close cover.

Installing the pushing handle

Adjust the push handle on the appliance.
Fasten the push handle with truss-head screws, washers and nuts.

Attaching the Accessories

Connect spray lance to trigger gun.
Install nozzle with nozzle screw at the spray lance.
Screw the high-pressure hose on to the hand spray gun.
Fasten the high pressure hose to the high pressure connection.

Start up

Electrical connection
DANGER
Danger of injury by electric shock. The appliance may only be connected to alternating current.
The highest allowed net impedance at the electrical connection point (refer to technical data) is not to be exceeded. In case of confusion regarding the power impedance present on your connection, please contact your utilities provider. It is imperative to connect the appliance to the electric mains by means of a plug.
It is forbidden to permanently connect the appliance to the power supply. The plug serves for the disconnection from the mains. Use the extension cord that has an adequate cross-section (see “Technical Data”) and unwind it fully from the cable drum.
For connection values, see type plate/technical data.

Water connection
Connection to the water supply
WARNING
Observe regulations of water supplier. According to applicable regulations, the appliance must never be used on the drinking water net without a system separator. A suitable system separator by KÄRCHER or alternatively a system separator according to EN 12729 type BA must be used. Water that was flowing through a system separator is considered non-drinkable.

CAUTION
Always connect the system separator to the water supply, never directly to the appliance!
For connection values refer to technical specifications.
Connect the supply hose (minimum length 7.5 m, minimum diameter 3/4“) to the water connection point of the machine and at the water supply point (for e.g. a tap).
Note:
The supply hose is not included.
Open the water supply.

Drawing in water from open reservoirs

Screw the suction hose onto the water connection.
Note: If a suction hose with a check valve or filter is used, the hose must be filled with water.
DE aerate the appliance: Unscrew the nozzle. Switch on the appliance and let it run until the water exiting is bubble-free. At the end let the appliance run for approx. 10 seconds – then switch off. Repeat the procedure for a couple of times.
Switch off the appliance and fit the nozzle again.

Operation

DANGER
Risk of explosion!
Do not spray flammable liquids.
If the appliance is used in hazardous areas (e.g. filling stations) the corresponding safety regulations must be observed.
CAUTION
Environmental damage. Clean motors at places with a corresponding oil separator only.

High pressure operation
Note:
The appliance is equipped with a pressure switch. The motor starts up only when the lever of the pistol is pulled

Set the appliance switch to “I”.
Unlock the trigger gun and pull the lever of the gun.
Set working pressure and flow rate through turning (run less) at the pressure- and amount regulation (B) (+/-).

Interrupting operation

Release the lever of the trigger gun; the device will switch off.
Pull again the lever of the trigger gun; the device will switch on again.

Turn off the appliance

Set the appliance switch to “0”.
Disconnect the mains plug from the socket.
Shut off water supply.
Activate trigger gun until device is pressure-less.
Press the safety lever of the trigger gun to secure the lever of the pistol against being released accidentally.

Frost protection
ATTENTION
Frost will destroy the not completely water drained device.
Store the appliance in a frost free area.
If you cannot store it in a frost-free place:

Drain water.
Pump in conventional frost protection agents through the appliance.
Note:
Use normal glycol-based anti-freezing agents for automobiles.
Observe handling instructions of the antifreeze agent manufacturer.
Operate device for max. 1 minute until the pump and conduits are empty.

Transport

Push the push handle down and pull our push the appliance.
When transporting in vehicles, secure the appliance according to the guidelines from slipping and tipping over.

CAUTION
Risk of injury and damage! Observe the weight of the appliance when you transport it.

Storage

Insert the hand-spray gun in the holder.
Wind up the high-pressure hose and hang it over the hose storage.
Wind the connection cable around the cable hooks.

CAUTION
Risk of injury and damage! Note the weight of the appliance in case of storage.

Care and maintenance

DANGER
Risk of injury by inadvertent startup of appliance and electrical shock. Prior to all work on the appliance, switch off the appliance and pull the power plug.
Note:
Used oil must only be disposed of by the designated collection points. Please turn in used oil there. Polluting the environment with used oil is prosecutable.

Safety inspection/ maintenance contract
You can sign with your dealer a contract for regular safety inspection or even sign a maintenance contract. Please take advice on this matter.

Before each use

Check connection cable for damages (risk of electrical shock); get the damaged connection cable replaced immediately by an authorised customer service person/ electrician.
Check the high pressure hose for damages (risk of bursting). Please arrange for the immediate exchange of a damaged high-pressure hose.
Check appliance (pump) for leaks. 3 drops per minute are permitted and can come out from the lower side of the appliance. Call Customer Service if there is heavy leakage.

Weekly

Check oil level Please contact Customer Service immediately if the oil is milky (water in oil).
Clean water filter.

Yearly or after 500 operating hours

Oil change.

Oil change
Note: See “Specifications” for oil volume and type.

Open the device hood.
Unscrew oil drain plug.
Drain the oil in a collection basin.
Fix in the oil drain screw and tighten it.
Torque 20…25 Nm.
Turn the oil fill screw out.
Fill in new oil slowly; air bubbles should go out.
The oil level must be at the centre of the oil level display.
Screw in oil filling screw.
Close cover.

Troubleshooting

DANGER
Risk of injury by inadvertent startup of appliance and electrical shock. Prior to all work on the appliance, switch off the appliance and pull the power plug. Get the electrical components checked and repaired only by authorised customer service persons. Contact an authorised customer service person in case of problems not mentioned in this chapter or if you are in doubt or when you have been explicitly asked to do so.

Appliance is not running

Check connection cable for damages.
Check the supply voltage.
Call Customer Service in case of electrical defects.

Pressure does not build up in the appliance

Set the pressure and quantity regulation to “MAX”.
Check the nozzle size, install correct nozzle.
Clean the nozzle.
Replace the nozzle.
Deaerate the appliance (see “Start-up”)
Check water supply level (refer to technical data).
Clean water filter.
Check all inlet pipes to the pump.
Contact Customer Service if needed.

Pump leaky
3 drops per minute are permitted and can come out from the lower side of the appliance. Call Customer Service if there is heavy leakage.

With stronger leak, have device checked by customer service.

Pump is vibrating

Clean water filter.
Check the water suction pipes for leaks.
DE aerate the appliance (see “Start-up”)
Contact Customer Service if needed.

Spare parts

Only use accessories and spare parts which have been approved by the manufacturer.
The exclusive use of original accessories and original spare parts ensures that the appliance can be operated safely and trouble free.
At the end of the operating instructions you will find a selected list of spare parts that are often required.
For additional information about spare parts, please go to the Service section at www.kaercher.com.

Warranty

The warranty terms published by the relevant sales company are applicable in each country. We will repair potential failures of your appliance within the warranty period free of charge, provided that such failure is caused by faulty material or defects in manufacturing. In the event of a warranty claim please contact your dealer or the nearest authorized Customer Service center. Please submit the proof of purchase.

EU Declaration of Conformity

We hereby declare that the machine described below complies with the relevant basic safety and health requirements of the EU Directives, both in its basic design and construction as well as in the version put into circulation by us. This declaration shall cease to be valid if the machine is modified without our prior approval.
Product: High pressure cleane
Type: 1.367-xxx
Relevant EU Directives
2000/14/EG
2006/42/EG (+2009/127/EG)
2011/65/EU
2014/30/EU
2009/125/EG
Applied regulations
(EU) 2019/1781
Applied harmonized standards
EN 60335–1
EN 60335–2–79
EN IEC 63000: 2018
EN 55014–1: 2017 + A11: 2020
EN 55014–2: 2015
EN 61000–3–2: 2014
EN 61000–3–11: 2000
EN 62233: 2008
Applied conformity evaluation method
2000/14/EC: Appendix V
Sound power level dB(A)
HD 6/15-4
Measured: 88
Guaranteed: 90
HD 7/11-4
Measured: 85
Guaranteed: 88
HD 7/18-4
Measured: 92
Guaranteed: 95
HD 9/20-4
Measured: 90
Guaranteed: 93

The signatories act on behalf of and with of the authority of the company management.

Chairman of the Board of Management
Director Regulatory Affairs & Certiﬁcation
Documentation supervisor: S. Reiser
Alfred Kärcher SE & Co. KG
Alfred-Kärcher-Straße 28-40
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2021/05/01

Declaration of Conformity

We hereby declare that the product described below complies with the relevant provisions of the following UK Regulations, both in its basic design and construction as well as in the version put into circulation by us. This declaration shall cease to be valid if the product is modified without our prior approval.
Product: High pressure cleaner
Type: 1.367-xxx

Currently applicable UK Regulations
S.I. 2001/1701 (as amended)
S.I. 2008/1597 (as amended)
S.I. 2012/3032 (as amended)
S.I. 2016/1091 (as amended)
S.I. 2010/2617 (as amended)
Commission Regulation(s)
(EU) 2019/1781
Applied designated standards
EN 60335–1
EN 60335–2–79
EN IEC 63000: 2018
EN 55014–1: 2017 + A11: 2020
EN 55014–2: 2015
EN 61000–3–2: 2014
EN 61000–3–11: 2000
EN 62233: 2008
Applied conformity assessment procedure S.I.
2001/1701 (as amended):
Schedule 8
Sound power level dB(A)
HD 6/15-4 Measured: 88
Guaranteed: 90
HD 7/11-4
Measured: 85
Guaranteed: 88
HD 7/18-4
Measured: 92
Guaranteed: 95
HD 9/20-4
Measured: 90
Guaranteed: 93
The signatories act on behalf of and with of the authority of the company management.

Chairman of the Board of Management
Director Regulatory Affairs & Certiﬁcation
Documentation supervisor: S. Reiser
Alfred Kircher SE & Co. KG
Alfred-Kircher-Strafe 28-40
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2021/05/01

Technical specifications

Type	HD 6/15-4	HD 7/11-4

Main Supply
Voltage| V| 220…240
Current type| Hz| 1-50| 1-60| 1-50| 1-60
Connected load| kW| 3,4| 3,5| 29
Protection (slow, char. C)| A| 15| 16| 13| 15
Maximum allowed net impedance| Ohm| 346| | 346| –
Type of protection| —| IPX5
Extension cord 30 m| mm,| 2,5
Water connection
Max. feed temperature| °C| 60
Min. feed volume| I/h (I/min)| 900 (15)| 1000 (16,67)
Suck height from open container (20 °C)| m| 5
Max. feed pressure| MPa (bar)| 1,0 (10)
Performance data
Working pressure| MPa (bar)| 7…15
(70…150)| 7…11
(70…110)
Max. operating over-pressure| MPa (bar)| 19 (190)| 15 (150)
Nozzle size| —| 36| 50
Flow rate| 1/h (I/min)| 600 (10)| 700 (11,7)
Max. recoil force of trigger gun| N| 29
Values determined as per EN 60335-2-79
Hand-arm vibration value| m/s,| <2,5
Uncertainty K| m/s,| 0,3| 0,7| 0,3
Sound pressure level L;„,| dB(A)| 74| 75| 72
Uncertainty KpA| dB(A)| 3
Sound power level L„,vA + Uncertainty K„,„A| dB(A)| 90| 92| 88
Fuel
Amount of oil| I| 0,4
Oil grade| | 15W40
Dimensions and weights
Length| mm| 700
Width| mm| 455
Height| mm| 1010
Weight| kg| 52| 48,9| 52| 48,9
Exception according to Regulation (EU) 2019/1781 Annex I Section 2 (12): j)
Type| HD 7/18-4| HD 9/20-4
---|---|---
Main Supply
Voltage| V| 346…415
Current type| Hz| 3-50
Connected load| kW| 4,9| 6,9
Protection (slow, char. C)| A| 16
Maximum allowed net impedance| Ohm| –| –
Type of protection| —| IPX5
Extension cord 30 m| mm2| 2,5
Water connection
Max. feed temperature| °C| 60
Min. feed volume| I/h (I/min)| 1000 (16,67)| 1200 (20)
Suck height from open container (20 °C)| m| 5
Max. feed pressure| MPa (bar)| 1,0 (10)
Performance data
Working pressure| MPa (bar)| 7…18
(70…180)| 7…20
(70…200)
Max. operating over-pressure| MPa (bar)| 22 (220)| 24 (240)
Nozzle size| | 38| 47
Flow rate| l/h (I/min)| 700 (11,7)| 900 (15)
Max. recoil force of trigger gun| N| 37| 50
Values determined as per EN 60335-2-79
Hand-arm vibration value| m/s2| <2,5
Uncertainty K| m/s2| 0,6| 7
Sound pressure level 1_;,A| dB(A)| 92| 90
Uncertainty K;„,| dB(A)| 3
Sound power level L„,, + Uncertainty K„.„A| dB(A)| 95| 93
Fuel
Amount of oil| I| 0,4
Oil grade| | 15W40
Dimensions and weights
Length| mm| 700
Width| mm| 455
Height| mm| 1010
Weight| kg| 55,4| 60,9
Exception according to Regulation (EU) 2019/1781 Annex I Section 2 (12): j)

THANK YOU!
MERCI! DANKE! GRACIAS!
Register your product and benefit from many advantages. www.kaercher.com/welcome
Rate your product and tell us your opinion.

www.kaercher.com/dealersearch
Alfred Kircher SE & Co. KG
Alfred-Kircher-Str. 28-40
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212http://kaer.ch/er/?l=TwSoJtl9IUOwZyAe1rHDyw
2-2-NN-A5-GS-03323

Documents / Resources

| KARCHER HD 6-15-4 High Pressure Washer [pdf] User Manual
HD 6-15-4, HD 7-11-4, HD 7-18-4, HD 9-20-4, HD 6-15-4 High Pressure Washer, High Pressure Washer, Pressure Washer
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