KARCHER K 2 Battery High-Performance Battery Pressure Washer Instructions

: June 3, 2024
: Karcher

KARCHER K 2 Battery High-Performance Battery Pressure Washer Instructions

Overview

Instructions

Safety instructions

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.
Apart from the notes contained herein the general safety provisions and rules for the prevention of accidents of the legislator must be observed.
Warnings and notes that are attached on the appliance provide important notes for the safe operation.

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.

Safe handling

DANGER

The user must use the appliance as intended. The person must consider the local conditions and must pay attention to other persons in the vicinity when working with the appliance.
Check important components, such as high-pressure hose, hand spray gun and safety installations, for damage prior to every operation.
Immediately replace damaged components. Do not operate appliance with damaged components.
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 high-pressure jet must not be directed at other persons or the user him-/herself to clean clothing or footwear.
Vehicle tyres/tyre valves are susceptible to damage from the high-pressure jet and may burst. The first indication for this is a discolouration of the tyre. Damaged vehicle tyres/ tyre valves are perilous. Keep a minimum jet distance of 30 cm during cleaning!

WARNING

Do not use the appliance when there are other persons around unless they are also wearing protective clothing.
The appliance must not be operated by children or persons who have not been instructed accordingly.
This appliance is not intended for use by persons with limited physical, sensory or mental capacities or lacking experience and/or skills, unless such persons are accompanied and supervised by a person in charge of their safety or they have received precise instructions on the use of this appliance and have understood the resulting risks.
Children must not play with this appliance.
Supervise children to prevent them from playing with the appliance.

CAUTION

Create stability for the appliance prior to any work on or with the appliance to prevent accidents or damage.
The water jet that is emitted from the high-pressure nozzle results in a repulsion power acting on the hand spray gun. Make sure that you have a firm footing and are also holding the hand spray gun and spray lance firmly.
Never leave the appliance unattended as long as it is in operation

ATTENTION

In case of extended breaks, switch off the appliance at the appliance switch.
Do not operate the appliance at temperatures below 0 °C.

Other risks

DANGER

The appliance may not be operated in explosive atmospheres.
Never use the appliance to clean objects containing hazardous substances (e.g. asbestos).
Do not spray flammable liquids.
Never draw in fluids containing solvents or undiluted acids and solvents! This includes petrol, paint thinner and heating oil. The spray mist is highly inflammable, explosive and poisonous. Do not use acetone, undiluted acids and solvents, as they corrode the materials used on the appliance.
Keep packaging films away from children, there is a risk of suffocation!

WARNING

According to applicable regulations, the appliance must never be used on the drinking water net without a system separator. Ensure that the connection of your building water installation on which the high-pressure cleaner is operated is equipped with a system separator pursuant to EN 12729 Type BA.
Water that has flown through a system separator is no longer classified as drinking water.
High-pressure hoses, fixtures and couplings are important for the safety of the appliance. Only use high-pressure hoses, fixtures and couplings recommended by the manufacturer.
When disconnecting the supply or high pressure hose, hot water may leak from the connections after operation.

CAUTION

Mind the weight of the appliance when selecting the storage location and during transport (see technical data) to prevent accidents or injuries.

Working with detergent

WARNING

This appliance was designed to be used with detergents which are supplied or recommended by the manufacturer.
The use of other detergents or chemicals may compromise the safety of the appliance.
The improper use of detergents can cause severe injuries or toxication.
Store detergents away from the reach of children.

Safety Devices

CAUTION
Safety installations serve the protection of the user and may not be modified or bypassed.

Appliance switch

The appliance switch prevents unintentional operation of the appliance.

Lock trigger gun

The lock locks the lever of the trigger gun and prevents the accidental start of the device.

Auto-stop function

If the lever on the trigger gun is released, the pressure switch turns off the pump, the highpressure jet stops. If the lever is pulled the pump is turned on again.

Dry running protection

The device shuts off automatically after 2 minutes of dry running so as to prevent damage to the high-pressure pump.

Personal protective equipment

CAUTION

Wear protective clothing and safety goggles to protect against splash back containing water or dirt.
During the use of high-pressure cleaners aerosols can develop. Inhaling aerosols can cause health damage.
- Depending on the application, completely shielded nozzles (e.g. surface cleaner) that significantly reduce the emission of aqueous aerosols can be used for highpressure cleaning.
- The use of such shielding is not possible with all applications.
- If the use of a completely shielded nozzle is not possible, a respirator of the category FFP 2 or the like should be used, depending on the environment to be cleaned.

Symbols on the machine

The high pressure jet must not be directed at persons, animals, live electrical equipment or at the appliance itself.
Protect the appliance against frost.
The appliance must not be directly connected to the public drinking water network.

Charger safety instructions

DANGER

Check the plug-in power supply, connection cable, battery adapter and battery pack for damage before every use.
Damaged devices may no longer be used and must be replaced.
Do not open the charger. The charger must be replaced if damaged or defect.
Do not operate the charger in explosive environment.
Never touch the mains plug and the socket with wet hands.
Do not use the charger if dirty or wet.
Do not charge battery (primary cells); risk of explosion.

CAUTION

The mains voltage must match the voltage mentioned on the type plate of the charger.
Use the charger only to charge approved battery packs.
Only charge the battery pack using the original charger enclosed or with a charger approved by KÄRCHER.

ATTENTION

Do no carry charger by the connection cable.
Keep connection cable away from heat, sharp edges, oil and moving parts.
Do not cover the plug-in power supply.
Avoid extension cables with multiple sockets and simultaneous operation of several devices.
Do not wind the connection cable around the or the battery adapter to avoid damages.

Symbols on the charger

Protect the charger against moisture and store it dry. The device is only suitable for use in rooms; do not expose the device to rain.
The charger has a built-in fuse of 1 ampere.
The charger meets the requirements of protective class II.

Battery pack safety instructions

Be sure to read the safety instructions enclosed with the battery pack and observe these during use!

Proper use

This high pressure cleaner is designed for domestic use only.

for cleaning machines, vehicles, buildings, tools, facades, terraces, gardening tools, etc. by means of a high-pressure water jet (if necessary, with additional cleaning agents).
with accessories, replacement parts and cleaning agents approved by KÄRCHER. Please observe the information accompanying the cleaning agents.

Environmental protection

Old appliances contain valuable recyclable materials that should be recycled properly. Batteries and accumulators contain substances that must not enter the environment. Please dispose of old devices and batteries or accumulators in an environmentally friendly way.
Electrical and electronic devices often contain components which could potentially pose a danger to human health and the environment if handled or disposed of incorrectly. However, these components are necessary for the proper operation of the device. Devices marked with this symbol must not be disposed of with regular household rubbish.

The packaging material can be recycled. Please arrange for the environmentally appropriate disposal of the packaging.

Cleaning operations which produce oily waste water, e.g. engine washes, underbody washes, may only be carried out using washing stations equipped with an oil separator.

Work with detergents must only be performed on liquid-tight work surfaces with a connection to the sewer system. Do not let release detergent into waters or earth.

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

Scope of delivery

The scope of delivery of your appliance is illustrated on the packaging. Check the contents of the appliance for completeness when unpacking.
In the event of missing accessories or any transport damage, please contact your dealer.

Description of the Appliance

These operating instructions describe the maximum equipment. Depending on the model, there are differences in the scopes of delivery (see packaging).

Nameplate
High pressure connection
Appliance switch „0/OFF“ / „I/ON“
Battery pack release
Battery compartment
Carrying handle
Storage for trigger gun
Storage for spray lance
Detergent suction hose (with sieve)
Coupling element for water connection
Water connection with integrated sieve
Trigger gun
High-pressure gun display MIX / STANDARD / BOOST
Lock trigger gun
Button for detaching the high-pressure hose from the trigger gun
High pressure hose
Spray lance with Dirtblaster Working mode: BOOST
For stubborn dirt (shorter battery run time)
Spray lance with high pressure nozzle
Working mode: STANDARD
For normal cleaning tasks (longer battery run time)

Optional

Standard charger Battery Power 36

A Battery contacts
B Battery adapter
C Connection cable
D Plug-in power supply

Battery pack Battery Power 36/50

A Battery pack display
B Contacts
C Nameplate
D Intake

Additionally required

Fabric-reinforced water hose with commercially available coupling.
Minimum diameter, 1/2 inches (13 mm).
Minimum length 7.5 m.
KÄRCHER suction hose SH 5 (order no. 2.643-100.0)

Assembly

Mount loose parts delivered with appliance prior to startup.

See fold-out for illustrations
Illustration A
Attach the carrying handle.
Illustration B
Screw the coupling element to the water connection on the appliance.

Battery pack

A Battery Power 36/50 or Battery Power + 36/75 battery pack and a charger from the KÄRCHER 36 V platform are required to operate the device.
Note: The Battery Power 36/25 battery pack cannot be used.

Battery pack display

The battery pack is equipped with a display that provides continuous information on the charging state, the progress of charging and the remaining battery life. In addition, any error messages occurring will also be shown.
Depending on the device used, the display rotates when the battery pack is inserted.
Note: New battery packs are only pre-charged and must be fully charged before first use.
The display is activated during the first charging process.

Display	Meaning

Battery in storage
| Charging state of the battery pack while not in use.
Battery in use
| Remaining battery life of the bat- tery pack while in use.
Battery charging
| Remaining charging time of the battery pack during charging.
| Battery pack fully charged.
Error display
| Battery pack temperature outside the permitted values or disabled due to short-circuit (see Help in case of malfunctions).
| Battery pack defective and disa- bled for safety. Do not use the battery pack anymore and dis- pose of it properly.

Charging the battery pack

CAUTION
Risk of injury, risk of damage due to exploding battery!
Only charge the battery packs with the appropriate charger.
Illustration C

Push the battery pack into the battery adapter of the charger.
Plug the plug-in power supply into the socket.

The charging process begins automatically.
The display shows the remaining charging time of the battery pack in minutes during the charging process.
The charging process ends once the battery pack display reads 100%.

Note: If the display does not show anything when the battery pack is in the charger, the battery capacity is fully depleted or very low. As soon as the battery pack has been sufficiently charged, the display shows the remaining charging time. If the display does not show anything even after a long period of time, the battery pack is defective and must be replaced.

Remove the battery adapter from the battery pack after charging.
Pull the plug-in power supply from the socket.

Notes:

To ensure that the charge level indicator works correctly, the battery pack must be discharged during initial use until the device is switched off.
New battery packs reach their full capacity after approx. 5 charging and discharging cycles.
Charge battery packs that have not been used for a long time before use.
The performance of the battery pack is reduced at temperatures below 0 °C.
The capacity of the battery pack may be reduced if stored at temperatures over 20 °C.

Start up

ATTENTION
Do not the place the device and battery pack in direct sunlight.

Park the appliance on an even surface.
Illustration D
Connect the high pressure hose to the high pressure connection of the appliance.
Illustration E
Push the high pressure hose into the trigger gun until it locks audibly.
Note: Make sure the connection nipple is aligned correctly.
Check the secure connection by pulling on the high pressure hose.

Inserting the battery pack

CAUTION
Risk of personal injury or damage! Ensure that the battery pack properly snaps into place.
Illustration F
Push the charged battery pack into the mounting on the device.

Water supply

For connection values, see type plate/technical data.
Observe regulations of water supplier.
ATTENTION
Impurities in the water can damage the high-pressure pump and the accessories. For protection, the use of the KÄRCHER water filter (optional accessory, order no. 4.730-059) is recommended.

Water supply from mains

ATTENTION
Hose couplings made of metal with aquastop can damage the pump! Please use plastic couplings or KÄRCHER brass couplings.

Attach the water supply hose to the coupling on the water connection.
Connect the water supply hose to the water supply.
Completely open the water tap.

Drawing in water from open reservoirs

This high-pressure cleaner is suitable for sucking up surface water, e.g. from water butts or ponds, with the KÄRCHER SH 5 suction hose (for maximum suction height see Technical data).
Screw the suction hose into the water connection of the appliance and insert it into the water source (e.g. rainwater drum).

Deaerating the appliance

Turn on the appliance “I/ON”.
Unlock the lever of the trigger gun.
Pull on the lever of the trigger gun; the device will switch on.
Let the appliance work until the water exits at the hand spray gun without bubbles (max. 2 minutes).
Release the lever of the trigger gun.
Lock the lever of the trigger gun.

Operation

Note: After 2 minutes of dry running, the device shuts off automatically. For information on restarting, see the “Troubleshooting” chapter

High pressure operation

CAUTION
Keep a distance of at least 30 cm when using the jet for cleaning painted surfaces to avoid damage.

ATTENTION
Car tyres, paint or sensitive surfaces such as wood should not be cleaned with the dirt blaster, as there is a risk of damage.
Illustration G

Push the spray lance into the trigger gun and fasten it by a 90° rotation.
Turn on the appliance “I/ON”.
Unlock the lever of the trigger gun.
Pull on the lever of the trigger gun; the device will switch on.
The working mode is shown on the high-pressure gun display.

Note: The battery pack takes a short while to activate; the device will start after 4 seconds at the most.
Note: The battery pack display shows the remaining run time while the device is in operation.

Operation with detergent

Note: Detergent can only be added when the device is operated in low pressure mode.

DANGER
When using detergents, the material data safety sheet issued by the detergent manufacturer must be adhered to, especially the instructions regarding personal protective equipment.

Pull detergent suction hose as far as is required out of the housing.
Suspend end of detergent suction hose in a container filled with detergent.
Detach spray lance from the trigger gun. Work only with the trigger gun. Working mode: MIX
Note: This will mix the detergent with the water stream.

Recommended cleaning method

Spray the detergent sparingly on the dry surface and allow it to react, but not to dry.
Spray off loosened dirt with the high pressure jet.

Interrupting operation

Release the lever of the trigger gun.
Note: Release the lever of the trigger gun; the device will switch off again. High pressure remains in the system.
Lock the lever of the trigger gun.
During longer breaks (more than 5 minutes), also turn the appliance off using the “0/OFF” switch.

Finish operation

CAUTION
Only separate the high-pressure hose from the trigger gun or the device when there is no pressure in the system.

After operation with detergent: Run the machine for approximately 1 minute for a clear rinse.
Release the lever of the trigger gun.
Turn off the appliance “0/OFF”.
Turn off tap.
Press the lever on the trigger gun to release any remaining pressure in the system.
Lock the lever of the trigger gun.
Detach the appliance from the water supply.

Removing the battery pack

Remove the battery pack from the device after completion of the work.
Illustration H

Press the lock downwards.
Pull the battery pack forwards.
Recharge battery pack after work.

Note: Also charge partly discharged battery packs after use.

Transport

CAUTION
Risk of personal injury or damage!
Mind the weight of the appliance during transport.

When transporting by hand

Lift appliance by the carrying handle and carry it.

When transporting in vehicles

Secure the appliance against shifting and tipping over.

Battery pack

The lithium-ion battery is subject to the requirements of dangerous goods regulations and can be transported by the user in public traffic areas without any further restrictions.
When shipping by third parties (transport companies), special requirements for packaging and labelling must be observed.
Only send the battery if the casing is undamaged. Tape off open contacts and pack the battery tightly and securely. It must not be able to move in the packaging.
Please also observe the national regulations.

Storage

CAUTION
Risk of personal injury or damage!
Consider the weight of the appliance when storing it.

Storing the Appliance

Park the machine on an even surface.
Detach spray lance from the trigger gun.
Engage the spray lance in its holder.
Push the disconnect button on the trigger gun and pull the high-pressure hose out of the trigger gun.
Place the trigger gun into the storage for the trigger gun.
Push the casing of the quick coupling for the high pressure hose toward the rear and disconnect the high pressure hose from the appliance.
Store the high-pressure hose on the device.
Prior to extended storage periods, as during the winter, also observe the instructions in the Care section.

Frost protection

ATTENTION
Appliances and accessories that are not completely drained can be destroyed by frost. Completely drain appliance and accessories and protect them against frost.
To avoid damage:

Completely drain all water from the appliance:
Switch the appliance on with detached high pressure hose and detached water supply (max. 1 minute) and wait, until no more water exits at the high pressure connection. Turn off the appliance.
Store the appliance and the entire accessories in a frost free room.

Battery pack

ATTENTION
Risk of damage! Store the battery packs in rooms with low humidity and below 20 °C only.
This appliance must only be stored in interior rooms.
The battery pack indicates its current charging state on the display, even without being connected to a charger.
If the battery pack display goes out during storage, the battery capacity is fully depleted and the display has been switched off. Please recharge the battery as soon as possible.

Cleaning and care

DANGER
Short circuit hazard!
Do not clean the device with a hose or high-pressure water jet.
Switch the device off and remove the battery pack before working on the device.

ATTENTION
Risk of damage!
Do not use any abrasive or aggressive detergents for cleaning purposes.

Clean the sieve in the water connection

Clean the sieve in the water connection regularly.

ATTENTION
The sieve must not be damaged.

Remove coupling from the water connection.
Illustration I
Pull the sieve out using flat pliers.
Clean the sieve under running water.
Reinsert the sieve into the water connection.

Care

Regularly check the battery terminals and adapter for soiling and clean them as necessary.
Recharge battery packs that are stored over a longer period of time.

Troubleshooting

DANGER
Repair work and work on the electrical components may only be performed by an authorised customer service.
You can rectify minor faults yourself with the help of the following overview.
If in doubt, please consult the authorized customer service.

Appliance is not running

Push the lever of the trigger gun, the device will switch on.
The battery pack is not seated correctly in the battery holder, insert the battery pack into the battery holder and let it click into place.
Let the battery pack cool down when overheated.
Charging state of the battery pack (see display) too low, charge the battery if necessary.
Defect battery pack or charger, replace battery pack or charger with new accessory.

The device switches off automatically

After 2 minutes of dry running.
When the battery pack is at risk of overheating.

Restarting:

Let the battery pack cool down if necessary.
Turn off the appliance “0/OFF”.
Turn on the appliance “I/ON”.

Pressure does not build up in the appliance

Appliance ventilation: Switch the appliance on with the high-pressure hose detached and operate (max. 2 minutes) until the water exits the high-pressure connection without bubbles. Switch off appliance and reconnect high-pressure hose.
Check the water supply.
Pull out the sieve in the water connection using flatnose pliers and clean under running water.

Strong pressure fluctuations

Clean high-pressure nozzle: Remove dirt and debris from the nozzle bore, using a needle and rinse through with water from the front.
Check water flow quantity.

No detergent infeed

Detach spray lance from the trigger gun. Work only with the trigger gun.
Clean the detergent suction hose filter.
Check the detergent suction hose for kinks.

Appliance is leaking

Dropwise leakage of the device is normal for technical reasons. If the leakage increases contact the authorized customer service.

Display error messages

Error during charging

Display is on, indicator lamp in the charger is glowing solid green, but the battery pack is not charging

Charger defective. Replace the charger.

Display is off, battery pack not charging

The battery pack may be completely discharged. Wait and see if the display shows the remaining charging time after some time. If not, the battery pack is defec- tive. Replace the battery pack.

Display shows temperature symbol, battery pack not charging

Battery pack temperature too low / too high. Put the battery pack in a moderate temperature environment. Wait until the battery pack temperature has normal- ized.

The charging process then starts automatically.

Error during operation
The display shows the temperature symbol Battery pack temperature too low / too high. Put the battery pack in a moderate temperature environment. Wait until the battery pack temperature has normal- ized.
In case of a short circuit, the battery pack is disabled for 30 seconds for further use. If the short-circuit oc- curs more frequently, the battery pack is permanently disabled. Connect the battery pack to the charger to unlock it.
Display shows remaining run time 0, device switches off.

The battery pack is discharged. Please recharge the battery pack.

Storage error
Display shows no remaining capacity

The battery pack is discharged. Please recharge the battery pack.

Display shows remaining capacity 70% even though the battery pack has been freshly charged. The battery pack is in automatic storage mode. This is activated if the battery has not been used for more than 21 days. This function protects the battery cells against rapid aging and increases their service life.

Fully recharge the battery pack before next use.

General fault
Display screen shows broken battery symbol. Battery pack defective and disabled for safety. Do not use the battery pack anymore and dispose of it prop- erly.

Accessories and Spare Parts

Only use original accessories and spare parts, they ensure the safe and trouble-free operation of the device.

Special accessories

Fast charger and battery pack with a larger capacity are available as special accessories.
Note: The device can only be operated with 36 V battery packs and is not compatible with 18 V battery packs.

Information on battery pack and charger

Batteries / chargers that are not supplied in the scope of delivery or are additionally required are available as special accessories or can be purchased later.
Before using the quick charger and battery pack, please observe the operating instructions of the device used and any safety instructions enclosed.
More information on the operating instructions for battery packs or on accessories and spare parts can be found 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 centre.
Please submit the proof of purchase.
Addresses can be found under:
www.kaercher.com/dealersearch

Technical specifications

Device

Nominal battery voltage| 36 V
Power| 1,1 kW
Protection class| IPX5
Operating time when battery is fully charged (max.)
Mix mode 29 min
Standard mode 14 min
Boost mode 8 min
Water connection
Max. feed temperature| 40 °C
Max. feed pressure| 1,2 MPa
Suction height (max.)| 0,5 m
Performance data
Working pressure| 7,4 MPa
Max. permissible pressure| 11,0 MPa
Water flow rate| 5,5 I/min
Max. flow rat| 5,8 I/min
Detergent flow rate| 0,3 I/min
Recoil force of the trigger gun| 11 N
Dimensions and weights
Weight, ready to operate with accessories| 6,9 kg
Dimensions (L x W x H)| 245 x 303 mm x 629
Values determined as per EN 60335-2-79
Hand-arm vibration value Uncertainty K| 1,3 0,6 m/s2 m/s2
Sound pressure level LpA Uncertainty KpA| 72 3 dB(A) dB(A)
Sound power level LWA + Uncertainty KWA| 88 dB(A)
Battery pack Battery Power 36/50
Battery type| Li-Ion
Nominal battery voltage| 36 V
Rated capacity (according to IEC/EN 61690)| 4,8 Ah
Rated capacity (according to specifications of cell manufacturer)| 5,0 Ah
Rating (in accordance with UN 3480)| 172,8 Wh
Max. charging current| 7,5 A
Operating temperature| -20…40 °C
Weight| 1,5 kg
Dimensions (L x W x H)| 133 x 88 mm x 117
Standard charger Battery Power 36 V
Nominal voltage| 100…240 V
Frequency| 50-60 Hz
Power consumption| 0,3 A
Protective class| II
Nominal battery voltage| 36 V
Max. charging current| 0,5 A
Charging time for empty battery| Battery Power 36/50
– Charging time 80%, approx. – Charging time 100%, approx.| 440 565 min min
Weight (without battery)| 0,16 kg

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 cleaner
Type:
1.117-200 1.117-2xx

Relevant EU Directives

2006/42/EC (+2009/127/EC)
2014/30/EU
2011/65/EU
2000/14/EC

Applied harmonized standards

EN 60335–1 EN 60335–1
– EN 60335-2-29
EN 60335–2–79 EN 60335–2–79
EN 62233: 2008 EN 62233: 2008
EN 55014–1:2017 EN 55014–1:2017
EN 55014–2: 2015 EN 55014–2: 2015
– EN 61000–3–2: 2014
– EN 61000–3–3: 2013
EN 50581 EN 50581

Applied conformity evaluation method

2000/14/EC: Appendix V

Sound power level dB(A)

Measured: 85
Guaranteed: 88

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

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, 2018/10/01

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