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USER MANUAL HG 64 Kärcher
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001



97616980 09/17

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Technical diagram of a portable water heater with numbered parts and labeled connectors
Chief Executive Officer

S. Reiser
Head of Approbation
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2017/01/01
Technische Daten
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.
- Before first start-up it is definitely necessary to read the operating instructions and safety indications Nr. 5.951-949.0!
– In case of transport damage inform vendor immediately. - Check the contents of the pack before unpacking.
Contents
Environmental protection .... EN 1
Danger or hazard levels ..... EN 1
Device elements ..... EN 2
Symbols on the machine..... EN 2
Proper use ...... EN 2
Safety instructions..... EN 2
Safety Devices ..... EN 3
Start up ...... EN 3
Operation ...... EN 4
Storage ..... EN 5
Transport..... EN 5
Care and maintenance ..... EN 5
Troubleshooting ..... EN 6
Warranty ...... EN 7
Accessories and Spare Parts. EN 7
EU Declaration of Conformity. EN 8
Technical specifications ..... EN 9
Environmental protection

The packaging material can be recycled. Please do not throw the packaging material into household waste; please send it for recycling.

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.
Please do not release engine oil, fuel oil, diesel and petrol into the environment Protect the ground and dispose of used oil in an environmentally-clean manner.
Notes about the ingredients (REACH)
You will find current information about the ingredients at:
www.kaercher.com/REACH
Danger or 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.
Device elements
1 Halting plate
2 Rubber cover
3 Level sensor
4 Fuel pre-filter
5 Holder for trigger gun with spray lance
6 Frame
7 Water shortage safeguard
8 Nameplate
9 Fastening clamp
10 Hose (soft damping system)
11 Sieve in the water shortage safeguard
12 Solenoid valve for fuel
13 Fuel pump
14 Fuel filter
15 Burner blower
16 High-pressure input (blue)
17 Steering roller with fixed position brake
18 Fuel tank
19 Fuel sieve
20 Blower motor
21 Pouring vent for fuel
22 Power switch
23 High pressure hose 3 m, nominal width 8
24 Power supply
25 High-pressure outlet (orange)
26 High pressure hose 10 m
27 Burner
28 Hose holder
29 Union joint
30 Ignition transformer
31 High-pressure nozzle (not in scope of delivery)
32 Spray lance
33 Hand spray gun
34 Trigger
35 Safety latch of the hand spray gun
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.
| Risk of electric shock!Only electricians or authorised technicians are permitted to work on parts of the plant. | ||
| Risk of burns on account of hot surfaces! | ||
| Risk of poisoning! Do not inhale exhaust fumes. | ||
![]() | Risk of hearing impairment. Always use proper ear-protection aids while working with the appliance.Risk of injury! Wear safety goggles. | |
Proper use
- This hot water generator is intended for cleaning with hot water in combination with a cold water high-pressure cleaner provided by the customer.
- Cleaning of: Machines, Vehicles, Structures, Tools, Facades, Terraces, Gardening tools, etc.
- The appliance should not be used in closed rooms.
⚠️DANGER
Risk of injury! Follow the respective safety regulations when operating at gas stations or other dangerous areas.
Please do not let mineral oil contaminated waste water reach soil, water or the sewage system. Perform engine cleaning and bottom cleaning therefore only on specified places with an oil trap.
Safety instructions
- The hot water generator is a heating system. All national laws and regulations about heating systems must also be followed.
- The appliance/accessories must not be modified.
Operation together with cold water high-pressure cleaner
- Please follow the national rules and regulations for fluid spray jets of the respective country.
- Please follow the national rules and regulations for accident prevention of the respective country. Fluid spray jets must be tested regularly and the results of these tests must be documented in writing.
Safety Devices
Safety devices serve for the protection of the user and must not be put out of operation or bypassed with respect to their function.
Water shortage safeguard
- The water shortage safeguard prevents the burner to be turned on when there is water shortage.
– A sieve prevents the contamination of the safeguard and must be cleaned regular.
Temperature stop for exhaust gases
- The temperature stop switches off the machine when the waste gases have reached very high temperatures.
Start up
⚠ WARNING
Risk of injury! Appliance, accessories, supply lines and connections must be in fault-free condition. If they are not in a perfect state then the appliance must not be used.
→ Lock parking brake.
Install the hand-spray gun, the jet pipe, the nozzle and the high pressure hose

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(3 m) (10 m) In Out→ Join the spray lance with the trigger gun and hand-tighten.
→ Insert high pressure nozzle into covering nut.
→ Fit the covering nut and hand-tighten.
→ Join the high-pressure hose (10 m) with the trigger gun and high-pressure outlet (orange) of the device and hand-tighten.
→ Join the high-pressure hose (3 m, nominal width 8) with the cold water high-pressure cleaner and high-pressure input (blue) of the device and hand-tight-en.
Refill fuel
⚠️DANGER
Danger of explosion! Only refill diesel oil or light fuel oil. The operation with bio diesel as per EN 14214 (starting at an outside temperature of 6 °C) is possible. Inappropriate fuels, e.g. petrol, must not be used.
ATTENTION
Risk of damage! Never operate device with an empty fuel tank. The fuel pump will otherwise be destroyed.
→ Refill fuel.
→ Close tank lock.
→ Wipe off spilled fuel.
Power connection
- For connection values, see technical data and type plate.
- The electrical connections must be done by an electrician according to IEC 60364-1.
Operation
⚠️DANGER
Danger of explosion! Do not spray flammable liquids.
⚠️DANGER
Risk of injury! Never use the appliance without the spray lance attached. Check and ensure proper fitting of the spray lance prior to each use. The screw connection of the spray lance must be finger-tight.
⚠️DANGER
Risk of injury! Hold the hand spray gun and the spray pipe firmly with both hands.
⚠️DANGER
Risk of injury! The trigger must not be clamped tight during operation.
ATTENTION
Risk of damage! Never operate device with an empty fuel tank. The fuel pump will otherwise be destroyed.
Replace the nozzle
⚠️DANGER
Risk of injury! Switch the appliance off prior to replacing nozzle and activate hand spray gun until device is pressureless.
→ Secure the trigger gun by pulling out and engaging the safety latch.
→ Replacing the nozzle.
Turning on the Appliance
⚠️DANGER
Scalding danger!
⚠️DANGER
Follow the safety instructions of the manufacturer of the cold water high-pressure cleaner!
⚠️DANGER
The water in the once-through boiler may contain germs after longer interruptions of operation lasting several days. Hence, spray the stale water into the drain for a few seconds first when using it in the food sector.
→ Switch the power switch of the hot water generator to "1/ON".
→ Switch on the cold water high-pressure cleaner as described in the manufacturer's operating instructions.
When the amount of water flowing through is sufficient, the burner will start automatically.
→ Unlock the trigger gun by pushing in and engaging the safety latch.
When activating the hand spray gun the cold water high-pressure cleaner switches on.
Cleaning
→ Perform the cleaning operation.
Note: To prevent damage due to too much pressure, always position high pressure ray first from a greater distance towards object to be cleaned.
Turn off the appliance
⚠️DANGER
Danger of scalding from hot water! After operation with hot water, the device must be operated with opened handgun with cold water for at least two minutes.
→ Switch the power switch of the hot water generator to "0/OFF".
→ Operate the device with opened hand-gun with cold water for at least two minutes.
→ Shut off water supply.
→ Switch off the cold water high-pressure cleaner as described in the manufacturer's operating instructions.
→ Actuate the trigger gun until the cold water high-pressure cleaner and hot water generator are depressurised.
→ Secure the trigger gun by pulling out and engaging the safety latch.
→ Remove the high-pressure hose from the high-pressure input.
→ Pull main plug out of socket with dry hands only.
Storing the Appliance
→ Insert the trigger gun in the holder on the frame together with the spray lance.
→ Roll up high pressure hose and electrical conduit and hang them into the respective holders.
Note: Do not twist high pressure hose and electrical conduit.
Shutdown
For longer work breaks or if a frost free storage is not possible:
→ Drain water.
→ Flush device with anti-freeze agent. (See "Care and maintenance".)
Storage
△CAUTION
Risk of personal injury or damage! Consider the weight of the appliance when storing it.
Transport
ATTENTION
Protect the trigger from damage during transport.
△CAUTION
Risk of personal injury or damage! Mind the weight of the appliance during transport.
→ When transporting in vehicles, secure the appliance according to the guidelines from slipping and tipping over.
Care and maintenance
⚠️DANGER
Risk of injury by inadvertent start-up of appliance and electric shock. Prior to all work on the appliance, switch off the appliance and pull the power plug.
→ Switch the device off (see "Operation").
→ Allow device to cool down.
Your Kärcher vender will inform you about the performance of a periodic safety inspection resp. signing of a maintenance contract.
Maintenance intervals
Weekly
→ Check fuel sieve, clean if necessary.
→ Check fuel pre-filter, clean if necessary.
→ Check fuel filter, clean if necessary.
Monthly
→ Check sieve in the water shortage safe guard, clean if necessary.
Every 500 operating hours, at least annually
→ Decalcify appliance.
→ Have the maintenance of the device performed by the customer service.
Maintenance Works
Cold water high-pressure cleaner
Carry out maintenance work on the cold water high-pressure cleaner as directed in the manufacturer's operating instructions.
Clean the fuel sieve
→ Knock the dirt off of the fuel sieve. Do not let the fuel enter the environment.
Cleaning fuel pre-filter
→ Pull the rubber cover out of the fuel tank.
→ Clean fuel pre-filter.
→ Reinsert the rubber cover.
Cleaning fuel filter
→ Dismantle the fuel filter.
→ Clean fuel filter.
→ Reassemble the fuel filter.
Clean sieve in the water shortage safe guard
→ Remove the fastening clamp and pull out the hose (soft damping system).
→ Take out sieve.
Note: If necessary turn in screw M8 appr. 5 mm inwards and therewith pull out sieve.
→ Clean sieve in water.
→ Push sieve inwards.
→ Slide the hose adapter all the way into the lack of water fuse and secure it with a fastening clamp.
Clean fuel tank
→ Pull the rubber cover out of the fuel tank.
→ Unscrew the retaining plate.
→ Remove the fuel tank.
→ Rinse out the fuel tank.
→ Refit and assemble the fuel tank.
Decalcify appliance
If deposits accumulate in the pipelines, this increases the flow resistance and the motor load of the cold water high-pressure cleaner becomes too great.
⚠️DANGER
Risk of explosion due to combustible gases! Smoking strictly prohibited during decalcification. Ensure proper ventilation.
⚠️DANGER
Risk of burns injury on account of acid! Wear protective glasses and protective gloves.
Procedure:
According to statutory requirements, only tested and approved boiler decrusting agents may be used.
- RM 100 (Order No. 6.287-008) dissolves chalk and simple compounds of chalk and detergents residues.
- RM 101 (Order No. 6.287-013) dissolves the deposits that cannot be dissolved using RM 100.
→ Fill a 20 litre container with 15 l water.
→ Add one litre of boiler decrusting agent.
→ Connect the water hose directly to the pump head of the cold water high-pressure cleaner and hang the free end into the container.
→ Place the spray lance connected to the hot water generator in the container without the nozzle.
→ Switch on the cold water high-pressure cleaner as described in the manufacturer's operating instructions.
→ Open the hand-spray gun and do not close it during the decalcification process.
→ Switch the cold water high-pressure cleaner off and allow it to stand for at least 2 hours. The trigger gun must remain open.
→ Once this time has elapsed, pump out the decrusting agent of the cold water high-pressure cleaner and hot water generator without spray lance and hand spray gun.
Frost protection
ATTENTION
Risk of damage! Freezing water in the appliance can destroy parts of the appliance.
- Store the appliance in a heated room during winter or empty it. During longer breaks in operation, it is advisable to pump in anti-frost agents into the appliance.
- If it is not possible to store frost free, shut down device.
- Drain water:
→ Unscrew the high-pressure hoses from the high-pressure input and high-pressure outlet.
■ Flush appliance with anti-freeze agent:
Note: Observe handling instructions of the anti-freeze agent manufacturer.
→ Rinse the cold water high-pressure cleaner and hot water generator (burner off) thoroughly with a commercially available anti-frost agent.
A certain corrosion protection is achieved with this as well.
Troubleshooting
⚠️DANGER
Risk of injury by inadvertent start-up of appliance and electric shock. Prior to all work on the appliance, switch off the appliance and pull the power plug.
Blower motor not running
- No power
→ Check the power fuse/power supply/supply line.
→ Inform Customer Service.
– Level switch in the fuel tank switched off the device
→ Refill fuel.
- The winding thermal protector of the blower motor has been triggered
→ Switch the power switch of the hot water generator to "0/OFF".
→ Allow device to cool down.
→ Turn on the appliance. - Error occurs repeatedly.
→ Inform Customer Service. - The exhaust gas temperature limiter has responded and switched off the burner
→ Inform Customer Service.
Burner does not start
- Fuel pre-filter dirty
→ Clean/replace the fuel pre-filter.
- Fuel filter dirty
→ Clean/replace the fuel filter.
- No ignition spark
→ If device is in use and no ignition spark can be seen through the viewing glass, have device checked by customer service.
- Water shortage
→ Check water supply, check connections.
→ Clean sieve in the water shortage safe guard.
- Water flow too small
→ Increase water flow.
– High-pressure input and high-pressure outlet be connected inversely
→ Connect high-pressure input and high-pressure outlet correctly.
Burner does not stop without water
– Leak in the high pressure system
→ Check high pressure system and connections for tightness.
- Obstructed reed switch in the lack of water fuse or magnetic piston stuck.
→ Inform Customer Service.
Customer Service
If malfunction can not be fixed, the device must be checked by customer service.
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.
Accessories and Spare Parts
Only use original accessories and spare parts, they ensure the safe and trouble-free operation of the device.
For information about accessories and spare parts, please visit www.kaercher.com.
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: Hot water generator
Type: 1.030-xxx
Relevant EU Directives
2000/14/EC
2006/42/EC (+2009/127/EC)
2011/65/EU
2014/30/EU
Applied harmonized standards
EN 60335-1
EN 60335-2-79
EN 50581
EN 55014-1: 2006+A1: 2009+A2: 2011
EN 55014-2:2015
EN 61000-3-2: 2014
EN 61000-3-3: 2013
EN 62233: 2008
Applied conformity evaluation method
2000/14/EC: Appendix V
Sound power level dB(A)
Measured: 76
Guaranteed: 79
The undersigned act on behalf and under the power of attorney of the company management.

Chief Executive Officer

Head of Approbation
Authorised Documentation Representative
S. Reiser
71364 Winnenden (Germany)
Phone: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2017/01/01
Technical specifications
| HG 43 HG 64 | |||
| Main Supply | |||
| Voltage V 220-240 220-240 | |||
| Current type Hz 1~50 | 1~60 | 1~501~60 | |
| Connected load kW 0.3 0.3 | |||
| Protection (slow) A 3 3 | |||
| Type of protection -- IPX5 IPX5 | |||
| Protective class -- I I | |||
| Water connection | |||
| Max. feed temperature °C 50 50 | |||
| Min. feed volume | l/h (l/min) | 400 (6.7) | 400 (6.7) |
| Performance data | |||
| Temperature increase | K | 45 @ 750 l/h | 45 @ 1100 l/h |
| Water flow rate | l/h (l/min) | 400-1000(6.7-16.7) | 400-1300(6.7-21.7) |
| Max. excess operating pressure (safety valve) | MPa (bar) | 20 (200) | 22 (220) |
| Max. operating temperature of hot water | °C 95 95 | ||
| Burner performance | kW 43 64 | ||
| Maximum consumption of heating oil | kg/h | 3.5 | 5.9 |
| Values determined as per EN 60335-2-79 | |||
| Noise emission | |||
| Sound pressure level L_pA | dB(A) | 76 76 | |
| Uncertainty K_pA | dB(A) | 3 3 | |
| Sound power level L_WA + Uncertainty K_WA | dB(A) | 91 91 | |
| Fuel | |||
| Fuel | -- Fuel oil EL or Diesel | Fuel oil EL or Diesel | |
| Dimensions and weights | |||
| Length x width x height | mm | 880 x 680 x860 | 880 x 680 x860 |
| Typical operating weight | kg | 105 | 115 |
| Fuel tank | l | 20 20 | |

www.kaercher.com/REACH
Niveaux de danger
⚠️DANGER
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Circular icon depicting a person wearing headphones and glasses (no text or symbols)2006/42/CE (+2009/127/CE)
2011/65/UE
2014/30/UE

Chief Executive Officer

S. Reiser
Head of Approbation
Responsable de la documentation:
S. Reiser
71364 Winnenden (Germany)
Winnenden, 2017/01/01
www.kaercher.com/REACH
Niveles de peligro
⚠️ PELIGRO
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Icon of a person wearing headphones and glasses, enclosed in a circular frame (no text or symbols)text_image
(3 m) (10 In Out2006/42/CE (+2009/127/CE)
2011/65/UE
2014/30/UE

Chief Executive Officer

Head of Approbation
71364 Winnenden (Germany)
Tele.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2017/01/01
Datos técnicos
www.kaercher.com/REACH
Níveis de perigo
⚠PERIGO
natural_image
Circular icon with a stylized person wearing headphones and glasses (no text or symbols)2006/42/CE (+2009/127/CE)
2011/65/UE
2014/30/UE

Chief Executive Officer

S. Reiser
Head of Approbation
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212
Winnenden, 2017/01/01
Dados técnicos
www.kaercher.com/REACH
Tehlike kademeleri
TEHLIKE
Chief Executive Officer

S. Reiser
Head of Approbation
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Winnenden, 2017/01/01
Teknik Bilgiler
www.kaercher.com/REACH
Степень опасности
⚠️ ОПАСНОСТЬ
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Circular icon depicting a person wearing headphones and glasses (no text or symbols)Chief Executive Officer

Head of Approbation
71364 Winnenden (Germany)
Тел.: +49 7195 14-0
Факс: +49 7195 14-2212
Winnenden, 2017/01/01
Технические данные
www.kaercher.com/REACH
Ступінь небезпеки
⚠️НЕБЕЗПЕКА
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Icon of a person wearing headphones and glasses, enclosed in a circular frame (no text or symbols)Chief Executive Officer

S. Reiser
Head of Approbation
71364 Winnenden (Germany)
Тел.: +49 7195 14-0
Факс: +49 7195 14-2212
Winnenden, 2017/01/01
www.kaercher.com/REACH
危险等级
危险
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Tingkat bahaya
⚠BAHAYA
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위험 수준
⚠️ 위험
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(3 m) (10 In Outnatural_image
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Circular icon depicting a person wearing headphones and glasses (no text or symbols)www.kaercher.com/REACH
Tahap bahaya
⚠BAHAYA
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درجات الخطر
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