OC 3, OC 3 Plus
59686700 (08/23)
Safety instructions
Read these safety instructions and the original instructions before using the device for the first time. Act in accordance with them. Keep the two booklets for future reference or for future owners.
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.
Power switch
The power switch prevents unintentional operation of the device.
Pressure switch
If the lever on the trigger gun is released, the pressure switch turns off the pump and the low pressure stream is stopped. The pump switches on again when the lever is pressed.
Motor circuit breaker
The motor circuit breaker shuts off the device if power consumption it too high.
Symbols on the device
 | Charge the battery pack only using the original charger enclosed or with a charger approved by KÄRCHER. |
Device description
Device description
The maximum amount of equipment is described in these operating instructions. Depending on the model used, there are differences in the scope of delivery (see packaging).
- *Vehicle adapter
- Charger
- Device carrying handle
- Charging socket
- Power switch
- Charge indicator
- Trigger gun
- *Conical jet nozzle for gentle cleaning
- *Universal brush
- Flat jet nozzle
- Water reservoir
- Water reservoir cover
- Carrying handle for the water reservoir
- Storage compartment for small parts
- Valve opener
- Fine filter
- Type plate
- *Suction hose
- *Suction hose connection
- *Water filter
- *Cap
- *Accessories box
- *Viscous cloth
- *Fur cleaning brush
- *Microfibre cloth
* optional
Blink codes
 | Battery is being charged. |
 | The battery is fully charged. |
 | Low battery voltage warning (approx. 2 minutes operating time remaining). |
 | The battery is discharged. The device switches itself off and cannot be switched back on. |
 | The motor circuit breaker has tripped (see Chapter Troubleshooting guide). |
Starting up
Place the device on a flat and level surface.
Battery charging
Charge the battery.
Note
The charge indicator flashes during the charging procedure. This lights up continuously when the battery is fully charged. For information on the charging time, see Chapter Technical data.
Water supply
ATTENTION
Contamination in the water
Damage to the pump and accessories
Fill the reservoir with clear water only.
Ensure that only clear water is sucked in.
Water supply from integrated water reservoir
ATTENTION
Improper water supply
Damage to the device
Do not fill the water reservoir with any detergents, pesticides or other additives.
Do not immerse the device in water.
Remove the water reservoir for filling.
Pivot the carrying handle of the device to the side.
Pull the water reservoir vertically upwards.
Open the water reservoir lid and fill the water reservoir.
Fit the water reservoir on the device.
Note
Take care to ensure that the low-pressure hose lies in the recess and is not crushed.
Sucking water from open containers
Pull the water reservoir vertically upwards.
Remove the valve opener using the suction hose connection or a suitable pair of pliers.
Plug the suction hose connection onto the fine filter.
Remove the fine filter using the suction hose connection or a suitable pair of pliers.
Remove the fine filter from the suction hose connection.
Fit the suction hose connection into the device and fasten in place by turning it 90°.
Hang the suction hose with the integrated filter into the water source (e.g. rainwater drum).
ATTENTION
Loss of valve opener and fine filter
Device cannot be operated
Store the valve opener and fine filter in the storage compartment provided.
Fit the valve opener and fine filter before using the device with the water reservoir. Ensure that the pin of the valve opener points upwards.
Operation
ATTENTION
Pump running dry
Damage to the device
If pressure does not build up in the device after 2 minutes then switch the device off and proceed according to the instructions in chapter Troubleshooting guide.
Press the power switch.
Press the lever of the trigger gun.
Approx. 2 minutes before the operating time ends (see Chapter Technical data), the charge level indicator will start to flash.
Operation with conical jet nozzle
The conical jet nozzle is suitable for gentle cleaning of fur and paws or particularly sensitive components.
CAUTION
Spray jet
Eye injuries and hearing damage
Do not direct the spray jet at eyes or ears.
Fit the conical jet nozzle.
Operation with detergent
DANGER
Failure to adhere to the safety data sheet
Incorrect handling of the detergent can seriously damage your health
Observe the safety data sheet of the detergent manufacturer, in particular the instructions on personal protective equipment.
ATTENTION
Improper water supply
Damage to the device
Do not fill the water reservoir with any detergents, pesticides or other additives.
Recommended cleaning method
Spray the detergent sparingly on the dry surface and let it work for a while (do not let it dry).
Rinse off the loosened dirt with the low pressure stream.
Operation with universal brush
ATTENTION
Damage to surfaces through a dirty universal brush
Paint damage
Ensure that the universal brush is free from dirt or other particles before using it.
Fit the universal brush.
Interrupting operation
Release the lever of the trigger gun.
After another 5 minutes without being pressed, the device shuts off automatically.
Ending operation
Remove the reservoir or suction hose.
Switch the device on.
Actuate the lever of the trigger gun until no more water is emitted.
Release the lever of the trigger gun.
Completely empty the reservoir.
If necessary, reinsert the fine filter and valve opener. Ensure that the pin of the valve opener points upwards.
Transport
CAUTION
Risk of injury and damage
Be aware of the weight of the device during transportation.
Observe regulations for dangerous goods during transport.
Manual transport
Lift and carry the device by the carrying handle.
Transport in vehicles
Secure the device against slipping and tipping over.
Storage
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.
Storing the device
Place the device on a level surface.
Store the device within the permissible temperature range (see Chapter Technical data).
Frost protection
ATTENTION
Danger of frost
Incompletely emptied devices can be destroyed by frost.
Completely empty the device and accessories.
Protect the device from frost.
Drain the device (see Chapter Ending operation).
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 valve opener/fine filter
Clean the valve opener and fine filter regularly.
ATTENTION
Material damage due to incorrect cleaning
Take care not to damage the valve opener and filter.
Pull the water reservoir vertically upwards.
Remove the valve opener using the suction hose connection or a suitable pair of pliers.
Plug the suction hose connection onto the fine filter.
Remove the fine filter using the suction hose connection or a suitable pair of pliers.
Clean the valve opener and fine filter under running water.
Fit the fine filter and valve opener. Ensure that the pin of the valve opener points upwards.
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.
Device not running
Cause:
The charging state of the battery is too low.
Remedy:
Check the charging state of the battery and charge it if necessary.
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 lies 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 Customer Service if this malfunction occurs repeatedly.
Device does not reach required pressure
Remedy:
Make sure there is enough water in the tank or water container.
Clean the valve opener and fine filter (see Chapter Cleaning the valve opener/fine filter).
Make sure that the valve opener is inserted with the pin pointing upwards.
Strong pressure fluctuations
Remedy:
Clean the nozzle: Remove contamination and debris from the nozzle hole, using a needle and rinse with water from the front.
Make sure there is enough water in the reservoir or water container.
Device leaking
Remedy:
The device leaks a small amount for technical reasons. If the leak is severe, request authorised Customer 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
OC 3
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 | 9,5 V |
Output current | 0,6 A |
Phase | 1 ~ |
Frequency | 50-60 Hz |
Device performance data | |
Charging time for an empty battery | 3 |
Operating duration with a fully charged battery | 15 min |
Operating pressure | 0,5 MPa |
Fresh water tank capacity | 4 l |
Suction height (max.) | 0,5 m |
Ambient temperature | 0-40 °C |
Dimensions and weights | |
Length | 236 mm |
Width | 277 mm |
Height | 201 mm |
Weight (with accessories) | 6,2 kg |
Determined values in acc. with EN 60335-2-79 | |
Sound pressure level LpA | 69 dB(A) |
Uncertainty KpA | 3 dB(A) |
Sound power level LWA + uncertainty KWA | 84 dB(A) |
OC 3 Plus
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 | 9,5 V |
Output current | 0,6 A |
Phase | 1 ~ |
Frequency | 50-60 Hz |
Device performance data | |
Charging time for an empty battery | 3 |
Operating duration with a fully charged battery | 15 min |
Operating pressure | 0,5 MPa |
Fresh water tank capacity | 7 l |
Suction height (max.) | 0,5 m |
Ambient temperature | 0-40 °C |
Dimensions and weights | |
Length | 236 mm |
Width | 283 mm |
Height | 361 mm |
Weight (with accessories) | 9,3 kg |
Determined values in acc. with EN 60335-2-79 | |
Sound pressure level LpA | 69 dB(A) |
Uncertainty KpA | 3 dB(A) |
Sound power level LWA + uncertainty KWA | 84 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: 1.680-xxx
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
EN 55014-2: 2015
EN 61558-1
EN 61558-2-16
EN 61000-3-2: 2014
EN 61000-3-3: 2013
EN IEC 63000: 2018
EN 50563
Applied conformity evaluation method2000/14/EG: Annex V
Sound power level dB(A)OC 3
Measured: 81
Guaranteed: 84
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, 2021/01/01
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: 1.680-xxx
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
EN 55014-2: 2015
EN 61558-1
EN 61558-2-16
EN 61000-3-2: 2014
EN 61000-3-3: 2013
EN IEC 63000: 2018
EN 50563
Applied conformity assessment procedureS.I. 2001/1701 (as amended): Schedule 8
Sound power level dB(A)OC 3
Measured: 81
Guaranteed: 84
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, 2021/01/01
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