OC 3 Foldable
97664170 (10/23)
Safety instructions
Read this safety chapter and these original instructions before using the device for the first time. Act in accordance with them. Keep the original instructions for future reference or for future owners.
In addition to the notes in the operating instructions, you also need to take into consideration the general safety regulations and accident prevention guidelines applicable by law.
Warnings and information notices attached to the device provide important information for hazard-free operation.
Hazard levels
DANGER
Indication of an imminent threat of danger that will lead to severe injuries or even death.
WARNING
Indication of a potentially dangerous situation that may lead to severe injuries or even death.
CAUTION
Indication of a potentially dangerous situation that may lead to minor injuries.
ATTENTION
Indication of a potentially dangerous situation that may lead to damage to property.
Charger
DANGER
Never touch the mains plug and socket with wet hands.
DANGER
Danger of explosion. Do not charge any non-rechargeable battery.
DANGER
Do not charge the battery pack in an explosion-hazard environment.
DANGER
Never insert conductive objects, e.g. screwdrivers or similar, into the charging socket on the appliance.
WARNING
Only charge the appliance using the original charger enclosed or with a charger approved by KÄRCHER.
WARNING
Protect the power cable from heat, sharp edges, oil and moving parts.
WARNING
Do not open the charger. Repairs are only to be carried out by qualified personnel.
WARNING
Only use the charger for charging approved battery packs.
WARNING
Immediately replace a damaged charger together with charging cable with an original part.
WARNING
The appliance contains electrical components - do not clean the appliance under running water.
WARNING
You may not charge the battery pack for longer than 24 hours without interruption.
CAUTION
Do not use the battery pack when dirty or wet.
CAUTION
Keep the charger ventilation slits free of obstructions.
CAUTION
Do not pull the mains plug out the socket using the power supply cable.
CAUTION
Do not carry/transport the device using the power supply cable.
ATTENTION
Short circuit hazard. Protect the contacts of the battery pack from metal parts.
ATTENTION
Only use and store the charger in dry rooms.
Battery
DANGER
Never insert conductive objects, e.g. screwdrivers or similar, into the charging socket on the appliance.
DANGER
Do not expose the battery to strong sunlight, heat or fire.
ATTENTION
This device contains non-replaceable batteries.
Does not apply to appliances with a replaceable battery pack
Safe handling
WARNING
The device is not intended for use by children, persons with restricted physical, sensory or mental abilities or persons unfamiliar with these instructions.
WARNING
Persons with reduced physical, sensory or mental capabilities and persons lacking experience and knowledge may only use the appliance if they are properly supervised, have been instructed on use of the appliance safely by a person responsible for their safety, and understand the resultant hazards involved.
WARNING
Children must not play with the appliance.
WARNING
Children must be supervised to prevent them from playing with the appliance.
WARNING
Only use the device for its proper use. Take into account the local conditions and beware of third parties, in particular children, when working with the device.
WARNING
Adhere to the respective safety regulations in hazard zones (e.g. service stations). Never operate the device in explosive spaces.
WARNING
Do not spray any objects which contain harmful substances (e.g. asbestos).
WARNING
Risk of injury. Do not direct the spray jet onto the eyes.
CAUTION
Do not use the appliance if it has been dropped beforehand, is visibly damaged or if it is leaking.
CAUTION
Only operate or store the device in accordance with the description or figure.
CAUTION
Never leave the device unsupervised while it is in operation.
CAUTION
In order to guarantee stability, place the device on a firm, flat surface.
CAUTION
Accidents or damage due to the device falling over. Before all actions with or on the device, you must make sure that it is stable.
ATTENTION
Do not fill with any cleaning agents or other supplements.
ATTENTION
Device damage. Never fill the water reservoir with solvents, liquids containing solvents or undiluted acids (e.g. detergents, petrol, paint thinners and acetone).
ATTENTION
Device damage due to dry running. Only switch on the device when water is present in the water reservoir.
ATTENTION
Do not operate the device at temperatures below 0 °C.
Intended use
Use the low pressure cleaner in private households only.
The low pressure cleaner is intended for cleaning machines, vehicles, tools, façades, terraces, garden machines, pets etc. using a low-pressure water stream without additional detergents.
Environmental protection
The packing materials can be recycled. Please dispose of packaging in accordance with the environmental regulations.
Electrical and electronic devices contain valuable, recyclable materials and often components such as batteries, rechargeable batteries or oil, which - if handled or disposed of incorrectly - can pose a potential danger to human health and the environment. However, these components are required for the correct operation of the device. Devices marked by this symbol are not allowed to be disposed of together with the household rubbish.
Cleaning work producing in oily waste water, e.g. washing engines, washing undercarriages etc., may only be performed at washing stations with an oil separator.
Working with detergents may only be performed on watertight surfaces with connection to the waste water sewage system. Do not allow detergent to enter waterways or the soil.
Extraction of water from public waterways is not permitted in some countries.
Current information on content materials can be found at: www.kaercher.de/REACH
Accessories and spare parts
Only use original accessories and original spare parts. They ensure that the appliance will run fault-free and safely.
Information on accessories and spare parts can be found at www.kaercher.com.
Scope of delivery
The scope of delivery for the appliance is shown on the packaging. Check the contents for completeness when unpacking. If any accessories are missing or in the event of any shipping damage, please notify your dealer.
Safety devices
CAUTION
Missing or modified safety devices
Safety devices are provided for your own protection.
Never modify or bypass safety devices.
ON/OFF button
The ON/OFF button prevents unintentional operation of the device.
Pressure switch
If the trigger of the low pressure gun is released, the pressure switch turns off the pump and the low pressure stream is stopped. The pump switches on again when the trigger is pressed.
Motor circuit breaker
The motor circuit breaker shuts off the device if power consumption it too high.
Symbols on the device
 | Do not immerse the device in liquids. Do not scoop any liquids. |
Device description
Description of the device
- Carrying handle
- Clamp mount
- Cover
- water reservoir
- Fine filter
- Charger
- Charging cable
- USB-C plug
- USB-A plug
- Cover
- Charging socket
- Charging state LED
- Type plate
- Operating state LED
- ON/OFF button
- Nozzle
- Low pressure gun
- Trigger
- Low pressure hose
Blink codes
Operating state LED |  | The device is switched on. |
 | Low battery voltage warning (approx. 2 minutes operating time remaining). | |
 | Malfunction, see chapter Troubleshooting guide. | |
Charge state LED |  | Battery is being charged. |
| The battery is fully charged. |
Initial startup
Battery charging
Unfold the water reservoir, see chapter Establishing the water supply.
Charge the battery.
Release the cover from the charging socket and swing it upwards.
Plug the USB-C plug of the charging cable into the charging socket.
Plug the USB-A plug of the charging cable into the charger.
Plug the charger into a mains socket.
Note
The charging state LED flashes during the charging process. It lights up for 10 min. when the battery is fully charged.
For charging time, see chapter Technical data.
Pull the charger out of the mains socket.
Pull the USB-C plug out of the charging socket.
Swivel the cover on the charging socket downwards and press it firmly.
After charging
Establishing the water supply
ATTENTION
Risk of damage due to improper water supply
Damage to the device and accessories.
Only fill the water reservoir with clean and clear water.
Do not fill the water reservoir with any detergents, pesticides or other additives.
Do not immerse the device in liquids.
Do not scoop any liquids with the device.
Unfold the water reservoir:
Remove the lid from the water reservoir.
Keep the bottom of the water reservoir pressed down with your hand.
Pull the carrying handle upwards with the other hand.
Hang the lid on the water reservoir.
Remove the low-pressure gun and the low-pressure hose as far as possible from the water reservoir.
Fill clean and clear water into the water reservoir up to the "MAX" mark at the most.
Attach the lid to the water reservoir.
Note
Guide the low-pressure hose through the recess in the cover so as not to pinch it.
For one-handed transport, press the low-pressure hose on the carrying handle into the two clamp holders.
Operation
Place the device on a level, horizontal surface.
Operation without detergent
ATTENTION
Risk of damage if dry running!
Dry running damages the pump of the device.
Do not switch on the device if no water is present in the water reservoir.
Switch off the device as soon as the water reservoir is empty.
Switch off the device if it does not build up pressure within 2 minutes. Then proceed according to the instructions in chapter Troubleshooting guide.
Press the ON/OFF button.
The device switches on.
CAUTION
Risk of injury from spray jet!
The spray jet may cause injury to eyes and ears.
Do not aim the spray jet at the eyes or ears of people or animals.
Pull the trigger and carry out the cleaning process.
Note
Approx. 2 min before the end of the operating time (see chapter Technical data), the operating status LED starts flashing. Charge the battery as soon as possible, see chapter Battery charging.
Operation with detergent
DANGER
Risk to life and health when handling cleaning agents!
Improper handling of detergents can lead to death and serious damage to health.
Observe the safety data sheet of the detergent manufacturer, in particular the instructions on personal protective gear.
ATTENTION
Risk of damage due to foreign substances in the water reservoir!
Foreign substances in the water reservoir will damage the device.
Do not fill the water reservoir with any detergents, pesticides or other additives.
ATTENTION
Risk of damage due to detergents acting too long and drying out!
Detergent can damage hot surfaces and damage surfaces if left to act for too long.
Do not apply detergent to hot surfaces and observe the maximum contact time.
Do not allow detergent to dry on the surfaces being cleaned.
Spray the detergent sparingly on the dry surfaces and let it work for a while (do not let it dry).
ATTENTION
Risk of damage if dry running!
Dry running damages the pump of the device.
Do not switch on the device if no water is present in the water reservoir.
Switch off the device as soon as the water reservoir is empty.
Switch off the device if it does not build up pressure within 2 minutes. Then proceed according to the instructions in chapter Troubleshooting guide.
Press the ON/OFF button.
The device switches on.
CAUTION
Risk of injury from spray jet!
The spray jet may cause injury to eyes and ears.
Do not aim the spray jet at the eyes or ears of people or animals.
Pull the trigger and carry out the cleaning process.
Note
Approx. 2 min before the end of the operating time (see chapter Technical data), the operating status LED starts flashing. Charge the battery as soon as possible, see chapter Battery charging.
Interrupting operation
Release the trigger.
After another 30 minutes without being pressed, the device shuts off automatically.
Ending operation
Press the ON/OFF button.
The device switches off.
Empty out the water remaining in the water reservoir.
Press the ON/OFF button.
The device switches on.
Actuate the trigger until no more water is emitted.
Release the trigger.
Press the ON/OFF button.
The device switches off.
Allow the water reservoir to dry completely.
Press the water reservoir down to fold it and make it smaller.
Stow the hose and the low-pressure gun in the water reservoir.
Stow the charger and the charging cable in the water reservoir.
Attach the lid to the water reservoir.
Transport
CAUTION
Risk of injury and damage
Be aware of the weight of the device during transportation.
ATTENTION
Risk of damage due to escaping water!
The lid of the water reservoir is not watertight, water escaping during transport can cause damage to property.
Carry the device with care if water is present in the water reservoir.
Empty the water reservoir completely before transporting the device in a vehicle.
Observe regulations for dangerous goods during transport.
Manual transport
Lift up the device by the carrying handle, and carry it.
Transport in vehicles
CAUTION
Risk of injury and damage!
There is a risk of injury and damage due to tipping and sliding of the device during transport.
Before transporting the device in vehicles, secure it against slipping and tipping over in accordance with the applicable guidelines.
Finish operation, see chapter Ending operation.
Before transporting the device, stow it away or secure it against sliding, tipping and being thrown around.
Storage
CAUTION
Risk of injury and damage!
If the weight of the device is not observed, there is a risk of injury and damage.
Be aware of the weight of the device during storage.
ATTENTION
Risk of damage due to frost!
An incompletely emptied device can be damaged by frost.
Completely empty the device and accessories before storing them.
Protect the device from frost.
Store the device in a frost-free place and not outdoors.
Finish operation, see chapter Ending operation.
Place the device in a closed room on a flat surface and store it within the permitted ambient temperature, see chapter Technical data.
Care and service
DANGER
Touching live parts
Danger of injury from electric shock
Switch off the device and unplug the charger from the device before performing any work on the device.
Cleaning the fine filter
Clean the fine filter regularly.
ATTENTION
Risk of damage due to improper cleaning!
The fine filter is damaged by improper cleaning.
Clean the fine filter only under running water against its flow direction.
Do not use sharp or hard objects such as needles or wire brushes.
Drain the water reservoir.
Pull out the fine filter.
Clean the fine filter with clean, clear running water.
Fit the fine filter into the device.
Troubleshooting guide
DANGER
Touching live parts
Danger of injury from electric shock
Switch off the device and unplug the charger from the device before performing any work on the device.
Have repair work and work on electrical components carried out by the authorised customer service only.
Malfunctions often have simple causes that you can remedy yourself using the following overview. When in doubt, or in the case of malfunctions not mentioned here, please contact your authorised Customer Service.
The device does not run
Cause:
The charging state of the battery is too low.
Remedy:
Charge the battery, see Chapter Battery charging.
Cause:
Motor overloaded; the motor circuit breaker has tripped.
Remedy:
Switch off the device.
Switch the device on and resume operation.
Cause:
The ambient temperature is outside the permissible range, see chapter Technical data, the motor circuit breaker has tripped.
Remedy:
Switch off the device.
Allow the device to cool down/heat up.
Switch the device on and resume operation.
Have the device checked by Kärcher Service if this malfunction occurs repeatedly.
Device does not reach required pressure
Cause:
Not enough water in the water reservoir.
Remedy:
Make sure that there is enough clean, clear water in the water reservoir.
Cause:
The fine filter is dirty.
Remedy:
Clean the fine filter, see chapter Cleaning the fine filter.
Strong pressure fluctuations or constant switching off/on of the device
Cause:
The nozzle is clogged.
Remedy:
Clean the nozzle: Remove contamination and debris from the nozzle hole, using a needle and rinse with clean, clear water from the front.
Make sure that there is enough clean, clear water in the water reservoir.
The device is leaking
Cause:
The device leaks a small amount for technical reasons.
Remedy:
In case of more serious leaks, have the device checked by KÄRCHER Service.
Warranty
The warranty conditions issued by our sales company responsible apply in all countries. We shall remedy possible malfunctions on your device within the warranty period free of cost, provided that a material or manufacturing defect is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised customer service site.
You can find more detailed information at: www.kaercher.com/dealersearch
Technical data
Electrical connection/Battery | |
Nominal voltage of battery | 6 V |
Nominal power of device | 45 W |
Degree of protection | IPX4 |
Protection class | III  |
Charger | |
Charger mains voltage | 100-240 V |
Output voltage | 5 V |
Output current | 2 A |
Phase | 1 ~ |
Frequency | 50-60 Hz |
Device performance data | |
Charging time for an empty battery | 2,5 h |
Operating duration with a fully charged battery | 15 min |
Operating pressure | 0,5 MPa |
Water reservoir capacity | 8 l |
Permissible ambient temperature | 0-40 °C |
Dimensions and weights | |
Length | 298 mm |
Width | 305 mm |
Height (water reservoir folded) | 108 mm |
Height (water reservoir unfolded) | 271 mm |
Weight (with accessories) | 2,1 kg |
Determined values in acc. with EN 60335-2-79 | |
Sound pressure level LpA | 64,2 dB(A) |
Uncertainty KpA | 2,5 dB(A) |
Sound power level LWA + uncertainty KWA | 79 dB(A) |
Declaration of Conformity
EU Declaration of Conformity |
We hereby declare that the machine described below complies with the relevant basic safety and health requirements in the EU Directives, both in its basic design and construction as well as in the version placed in circulation by us. This declaration is invalidated by any changes made to the machine that are not approved by us.
Product: Mobile Outdoor Cleaner
Type: OC 3, OC 3 Foldable
Currently applicable EU Directives2014/35/EU
2014/30/EU
2011/65/EU
2009/125/EC
2000/14/EC
Commission Regulation(s)2019/1782
Harmonised standards usedEN 60335-1
EN 60335-2-54
EN 62233: 2008
EN 55014-1: 2017 + A11: 2020
EN 55014-2: 1997 + A1: 2001 + A2: 2008
EN 61558-1
EN 61558-2-16
EN 61000-3-2: 2014
EN 61000-3-3: 2013
EN IEC 63000: 2018
Applied conformity evaluation method2000/14/EG: Annex V
Sound power level dB(A)OC 3
Measured: 81
Guaranteed: 84
OC 3 Foldable
Measured: 77
Guaranteed: 79
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-Str. 28 - 40
71364 Winnenden (Germany)
Ph.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2023/08/01
Declaration of Conformity (UK) |
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: Mobile Outdoor Cleaner
Type: OC 3, OC 3 Foldable
Currently applicable UK RegulationsS.I. 2016/1101 (as amended)
S.I. 2016/1091 (as amended)
S.I. 2012/3032 (as amended)
S.I. 2010/2617 (as amended)
S.I. 2001/1701 (as amended)
Commission Regulation(s)(EU) 2019/1782
Designated standards usedEN 60335-1
EN 60335-2-54
EN 62233: 2008
EN 55014-1: 2017 + A11: 2020
EN 55014-2: 1997 + A1: 2001 + A2: 2008
EN 61558-1
EN 61558-2-16
EN 61000-3-2: 2014
EN 61000-3-3: 2013
EN IEC 63000: 2018
Applied conformity assessment procedureS.I. 2001/1701 (as amended): Schedule 8
Sound power level dB(A)OC 3
Measured: 81
Guaranteed: 84
OC 3 Foldable
Measured: 77
Guaranteed: 79
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-Str. 28 - 40
71364 Winnenden (Germany)
Ph.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2023/08/01
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