HILTI NPR 24-22 Hydraulic Pipe Press Tools User Manual

Hydraulic Pipe Press Tools
User Manual 

NPR 24-22 Hydraulic Pipe Press Tools

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Original operating instructions

Information about the documentation

1. About this documentation
   • Read this documentation before initial operation or use. This is a prerequisite for safe, trouble-free handling and use of the product.
   • Observe the safety instructions and warnings in this documentation and on the product.
   • Always keep the operating instructions with the product and make sure that the operating instructions are with the product when it is given to other persons.

2. Explanation of symbols
   1.2.1 Warnings
   Warnings alert persons to hazards that occur when handling or using the product. The following signal words are used:

DANGER
▶ Draws attention to imminent danger that will lead to serious personal injury or fatality.
WARNING
▶ Draws attention to a potential threat of danger that can lead to serious injury or fatality.
CAUTION!
▶ Draws attention to a potentially dangerous situation that could lead to personal injury or damage to equipment or other property.
1.2.2 Symbols in the operating instructions
The following symbols are used in these operating instructions:

Symbols in illustrations

The following symbols are used in illustrations

**2**

| These numbers refer to the illustrations at the beginning of these operating instructions.
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3

| The numbering reflects the sequence of operations shown in the illustrations and may deviate from the steps described in the text.

11

| Item reference numbers are used in the overview illustration and refer to the numbers used in the key in the product overview section.
| These characters are intended to specifically draw your attention to certain points when handling the product.

Product-dependent symbols
1.3.1 Symbols on the product
The following symbols can be used on the product:

with iOS and Android platforms.

| Direct current (DC)
| Hilti Li-ion battery type series used. Observe the information given in the section headed Intended use.
Li-ion| Li-ion battery
| Never use the battery as a striking tool.
| Do not drop the battery. Never use a battery that has suffered an impact or is damaged in any other way.

Product information
products are designed for professional users and only trained, authorized personnel are permitted to operate, service, and maintain the products. This personnel must be specifically informed about the possible hazards. The product and its ancillary equipment can present hazards if used incorrectly by untrained personnel or if used not in accordance with the intended use. The type designation and serial number are printed on the rating plate.
▶  Write down the serial number in the table below. You will be required to state the product details when contacting Hilti Service or your local Hilti organization to inquire bout the product.
Product information

Declaration of conformity
The manufacturer declares, on his sole responsibility, that the product described here complies with the applicable legislation and standards. A copy of the declaration of conformity can be found at the end of this documentation.
The technical documentation is filed here: Hilti Entwicklungsgesellschaft mbH .Tool Certification ,Hiltistrasse 6 ,D-86916 Kaufering, Germany.

Safety

1. General power tool safety warnings
   WARNING Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
   Save all warnings and instructions for future reference.
   The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated  (cordless) power tool.
   Work area safety
   ▶ Keep work area clean and well-lit. Cluttered or dark areas invite accidents.
   ▶ Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks that may ignite dust or fumes.
   ▶ Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

Electrical safety
▶ Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
▶ Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
▶ Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
▶ Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.
▶ When operating a power tool outdoors, use an extension cord suitable for outdoor use. The use of a cord suitable for outdoor use reduces the risk of electric shock.
▶ If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply. The use of an RCD reduces the risk of electric shock.

Personal safety
▶ Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury.
▶ Use personal protective equipment. Always wear eye protection. Protective equipment such as a dust mask, non-skid safety shoes, hard hat or hearing protection used for appropriate conditions will reduce personal injuries.
▶ Prevent unintentional starting. Ensure the switch is in the off-position before connecting to a power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents.
▶ Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.
▶ Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
▶ Dress properly. Do not wear loose clothing or jewelry. Keep your hair and clothing away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts.
▶ If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. The use of dust collection can reduce dust-related hazards.
▶ Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.
Power tool use and care
▶ Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate at which it was designed.
▶ Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
▶ Disconnect the plug from the power source and/or remove the battery pack, if detachable, from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
▶ Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.
▶ Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
▶ Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
▶ Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.
▶ Keep handles and grasping surfaces dry, clean, and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.

Battery tool use and care
▶ Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.
▶ Use power tools only with specifically designated battery packs. The use of any other battery packs may create a risk of injury and fire.
▶ When the battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.
▶ Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.
▶ Do not use a battery pack or tool that is damaged or modified. Damaged or modified batteries may exhibit unpredictable behavior resulting in fire, explosion or risk of injury.
▶ Do not expose a battery pack or tool to fire or excessive temperature. Exposure to fire or temperature above 130° C (265 °F) may cause an explosion.
▶ Follow all charging instructions and do not charge the battery pack or tool outside the temperature range specified in the instructions. Charging improperly or at temperatures outside the specified range may damage the battery and increase the risk of fire.

Service
▶ Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.
▶ Never service damaged battery packs. Service of battery packs should only be performed by the manufacturer or authorized service providers.

Additional safety instructions for pressing tools
Personal safety
▶ Comply with the country-specific standards and safety instructions for the operation of pressing tools and all work on, with or in proximity to electrically live equipment and lines.
▶ Persons who work in the vicinity of live lines must receive regular instruction and training.
▶ Use the pressing tool only when it is in technically faultless condition.
▶ Never tamper with or modify the product or accessories in any way.
▶ Keep the air vents clean at all times. Risk of burn injuries due to blocked air vents.
▶ If you notice oil escaping, cease working with the tool and consult Hilti Service. Immediately remove the leaked oil.
▶ Check that the locking pin is pushed in all the way and securely engaged.
▶ Throughout the pressing operation, take great care to keep your hands and fingers well clear of the pressing head.
▶ Switch the product on only after you have brought it to the working position.
▶ Wait until the product has come to a complete stop before you lay it down.
▶ Always hold the pressing tool firmly with both hands on the grips provided for the purpose.
▶ Do not secure a belt hook to this powerful tool.
▶ Risk of injury by falling tools and/or accessories. Before starting work, check that the battery and installed accessories are secure
. ▶ Do not look directly into the light source (LED) of the product and do not aim the beam at other persons’ faces. Risk of dazzling or eye damage.
▶ Keep the retaining strap and the tether clean and dry.
▶ Never carry out pressing work on parts of a gas supply network unless express approval has been given by the system supplier for use of this pressing tool in conjunction with specially tested and approved fittings.
▶ After pressing, pressure-test the piping system to ensure that it is free of leaks (resulting from the misuse of the tool, for example).

Electrical safety
▶ Before use of the pressing tool, all live cables and other equipment carrying electric voltage within the area in which the user is working are to be switched off. If this is not possible, the corresponding safety precautions for working in proximity to live cables or equipment must be implemented and observed.
▶ Before beginning work, check the working area for concealed electric cables or gas and water pipes. External metal parts of the product could give you an electric shock or cause an explosion if you accidentally damage an electric cable or a gas or water pipe.
▶ Do not press live parts, i.e. parts carrying electric voltage. The pressing tool must be considered as being uninsulated and must therefore be used in combination with personal protective equipment (protective gloves, protective footwear, protective clothing, etc.) of a type suitable to provide protection for yourself and other persons in the vicinity.

Power tool use and care
▶ After approx. 50 consecutive pressing operations, switch the pressing tool off, and allow it to cool down for about 15 minutes. Overheating can lead to damage to the pressing tool.
▶ Store the pressing tool in a dry place inaccessible to children and unauthorized persons.
▶ Hilti recommends having the crimping tool overhauled by Hilti Service after 15,000 crimping operations.
▶ Before starting work, check the pressing tool, the pressing jaws (NPR PS) or, as applicable, the pressing rings (NPR PR) in accordance with the instructions. Inadequately tested pressing tools, jaws or rings can lead to substandard pressings and are a potential safety risk for the operator.
▶ Make sure that there are no foreign objects (e.g. plaster, grit particles, metal cuttings, etc.) in the pressing jaws and that no parts are damaged. Do not continue to use damaged or distorted pressing jaws!

2.3 Battery use and care
▶ Comply with the following safety instructions for the safe handling and use of Li-ion batteries. Failure to comply can lead to skin irritation, severe corrosive injury, chemical burns, fire, and/or explosion.
▶ Use only batteries that are in perfect working order.
▶ Treat batteries with care in order to avoid damage and prevent leakage of fluids that are extremely harmful to health!
▶ Do not under any circumstances modify or tamper with batteries!
▶ Do not disassemble, crush or incinerate batteries and do not subject them to temperatures over 80 °C (176 °F).
▶ Never use or charge a battery that has suffered an impact or been damaged in any other way. Check your batteries regularly for signs of damage.
▶ Never use recycled or repaired batteries.
▶ Never use the battery or a battery-operated power tool as a striking tool.
▶ Never expose batteries to the direct rays of the sun, elevated temperature, sparking, or open flame. This can lead to explosions.
▶ Do not touch the battery poles with your fingers, tools, jewelry, or other electrically conductive objects. This can damage the battery and also cause material damage and personal injury.
▶ Keep batteries away from rain, moisture, and liquids. Penetrating moisture can cause short circuits, electric shock, burns, fire, and explosions.
▶ Use only chargers and power tools approved for the specific battery type. Read and follow the relevant operating instructions.
▶ Do not use or store the battery in explosive environments.
▶ If the battery is too hot to touch, it may be defective. Put the battery in a place where it is clearly visible and where there is no risk of fire, at an adequate distance from flammable materials. Allow the battery to cool down. If it is still too hot to touch after an hour, the battery is faulty. Consult Hilti Service or read the document entitled “Instructions on safety and use for Hilti Li-ion batteries”.
Observe the special guidelines applicable to the transport, storage, and use of lithium-ion batteries. → page 11 Read the instructions on the safety and use of Hilti Li-ion batteries that you can access by scanning the QR code at the end of these operating instructions.

Description

1. Product overview
   1. Pressing die
   2. Tool head
   3. Piston return switch
   4. Servicing and fault indicator
   5. Installation opening for accessories
   6. Work-area light| 7. Control switch
   8. Locking pin
   9. Mount for pressing jaw
   10. Battery status indicator
   11. Battery release button
   12. Battery
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2. Intended use
   The product described is a cordless, electro-hydraulic pressing tool.
   It is designed for pressing fittings used to connect composite, steel, and copper (Cu) pipes.
   • For this product, use only Hilti Nuron lithium-ion batteries of the B 22 series. For optimum performance, Hilti recommends the batteries stated in the table at the end of these operating instructions for this product.
   • For these batteries, use only Hilti chargers of the type series stated in the table at the end of these operating instructions.

3. Possible misuse
   • Do not use this hand-held pressing tool clamped in a fixed position or as a stationary device.
   • Do not use the electro-hydraulic pressing tool in heavy rain or under water.

4. Items supplied
   Pressing tool, operating instructions.
   Other system products approved for use with this product can be found at your local Hilti Store or at www.hilti.group

5. Status indicators of the Li­ion battery
   Hilti Nuron Li-ion batteries can indicate the state of charge, fault messages, and the battery’s state of health.
   Indicators for the state of charge and fault messages
   WARNING
   Risk of injury by a falling battery!
   ▶If the release button is pressed with a battery inserted in the product, subsequently check that the battery is correctly re-engaged and secure.

Short-press the release button of the battery to get whichever of the following status indications is applicable at the time.
State of charge and, if applicable, faults are indicated constantly as long as the connected product is switched on.

Recharge the battery.
If the LED again starts quick-flashing after the battery has been charged, consult Hilti Service.
One (1) LED quick-flashes yellow| The Li-ion battery or the product in which it is in- seated is overloaded, too hot or too cold, or experiencing some other fault. Bring the product and the battery to the recommended working temperature and do not overload the product when it is in use. If the message persists, consult Hilti Service.
One (1) LED shows yellow| The Li-ion battery and the product in which it is inserted are not compatible. Consult Hilti Service.
One (1) LED quick-flashes red| The Li-ion battery is locked and cannot be used. Consult Hilti Service.

3.5.2 Indicators showing the battery’s state of health
To check the battery’s state of health, press the release button and hold it down for longer than three seconds. The system does not detect a potential malfunction of the battery due to misuse, for example, the battery dropped or pierced, external heat damage, etc.

The battery can remain in use.
All LEDs show in sequence, followed by one (1) LED quick-flashing yellow.| The check to ascertain the battery’s state of health did not completed. Repeat the procedure, or consult Hilti Service.
All LEDs show in sequence, followed by one (1) LED showing constantly red.| If a connected product can still be used, the re- remaining battery capacity is below 50 %. If a connected product can no longer be used, the battery has reached the end of its useful life and has to be replaced. Consult Hilti Service.

Technical data

| NPR 24-22
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Rated voltage| 21.6 V
Weight in accordance with EPTA Procedure 01| 1.8 kg
Crimping / pressing time| ≈ 4 s
Max. crimping/pressing force| 24 kN
Storage temperature| −20 ℃ … 70 ℃
Ambient temperature for operation| −17 ℃ … 60 ℃

Battery

4.2 Noise information and vibration values in accordance with EN 62841
The sound pressure and vibration values given in these instructions were measured in accordance with a standardized test and can be used to compare one power tool with another. They can also be used for a preliminary assessment of exposure.
The data given represent the main applications of the power tool. However, if the power tool is used for different applications, with different accessory tools, or is poorly maintained, the data can vary. This can significantly increase exposure over the total working period.
An accurate estimation of exposure should also take into account the times when the tool is switched off, or when it is running but not actually being used for a job. This can significantly reduce exposure over the total working period. Identify additional safety measures to protect the operator from the effects of noise and/or vibration, for example: maintaining the power tool and accessory tools, keeping the hands warm, and organization of work patterns.

Noise values

Vibration values

Preparations at the workplace

WARNING
Risk of injury by inadvertent starting!
▶ Before inserting the battery, make sure that the product is switched off.
▶ Remove the battery before making any adjustments to the power tool or before changing accessories.
Observe the safety instructions and warnings in this documentation and on the product.

Charging the battery

1. Before charging the battery, read the operating instructions for the charger.
2. Make sure that the contacts on the battery and the contacts on the charger are clean and dry.
3. Use an approved charger to charge the battery. → page 6

Inserting the battery
WARNING
Risk of injury by short circuit or falling battery!
▶Before inserting the battery, make sure that the contacts on the battery and the contacts on the product are free of foreign matter.
▶ Make sure that the battery always engages correctly.

1. Charge the battery fully before using it for the first time.
2. Push the battery into the product until it engages with an audible click.
3. Check that the battery is seated securely.

Removing the battery

1. Press the battery release button.
2. Remove the battery from the product.

Inserting pressing jaw 2
CAUTION
Risk of injury! The accessory tool may be hot and/or have sharp edges.
▶ Wear protective gloves when changing the accessory tool.
▶ Never lay down a hot accessory tool on a flammable surface.
WARNING
Risk of injury! Unintentional starting.
▶ Remove the battery before fitting, changing, or removing the pressing jaws.
Never operate the product without a pressing jaw installed!

1. Select the suitable pressing jaw.

2. Turn the tool head so that the locking pin is easily accessible.

3. Press the locking pins.

4. Rotate the locking pins counterclockwise as far as they will go.
   ▶ The locking pin pops out.

5. Insert the pressing jaw.

6. Push the locking pins in until they engage.

The locking pin is engaged correctly when it projects slightly on the other side of the pressing jaw
Removing pressing jaw 3
CAUTION
Risk of injury! The accessory tool may be hot and/or have sharp edges.
▶ Wear protective gloves when changing the accessory tool.
▶ Never lay down a hot accessory tool on a flammable surface.
WARNING
Risk of injury! Unintentional starting.
▶ Remove the battery before fitting, changing, or removing the pressing jaws.

1. Turn the tool head so that the locking pin is easily accessible.

2. Press the locking pins.

3. Rotate the locking pins counterclockwise as far as they will go.
   ▶ The locking pin pops out.

4. Work the pressing jaw forward and out of the product.

Fall arrest
WARNING
Risk of injury by falling tool and/or accessory!
▶ Use only the Hilti tool tether recommended for your product.
▶ Prior to each use, always check the attachment point of the tool tether for possible damage.
** comply with the national regulations for working at heights.
As a drop arrester for this product, use only a combination of the Hilti retaining strap and the Hilti tool tether #2261970.
▶ Secure the retaining strap to the installation openings for accessories. Check that it holds securely.
▶ Secure one carabiner of the tool tether to the retaining strap and secure the second carabiner to a load-bearing structure. Check that both carabiners hold securely.
Comply with the operating instructions of the Hilti retaining strap and those of the Hilti** tool tether.

Operation

Observe the safety instructions and warnings in this documentation and on the product.
Pressing with pressing jaws 4
DANGER
Electric shock hazard! Working in adverse outdoor conditions can cause electric shocks and/or short circuits.
▶Never work on electrically live lines while a thunderstorm is in progress.
▶Call a halt to work immediately whenever weather conditions impair the insulation characteristics, vision or movement of the workers.
WARNING
Risk of injury due to oil escaping under high pressure! Oil escaping under high pressure can injure the skin and the eyes.
▶ Do not use the pressing tool if the damage is visible.
▶ Do not use the pressing tool if oil escapes.
▶ Make sure that the piston retracts after every pressing operation.
▶ If the piston does not retract after the pressing operation, press the reset button for manual retraction.
WARNING
Risk of injury by escaping gas! Escaping gas can injure the respiratory system or ignite.
▶ Perform pressing operations on gas-pipe systems only with specially tested and a suitable combination of pressing tool and fitting which, moreover, has the express approval of the system supplier.
WARNING
Risk of injury due to flying fragments! Flying fragments present a risk of injury to the eyes and body.
▶ Wear eye protection and protective gloves.
▶ Use suitable connecting material in combination with the correct pressing rings and pressing / adapter jaws.
▶ Before and during the pressing operation, make sure that the pressing rings and pressing/adapter jaws are correctly positioned.
In cold weather, the hydraulic oil can thicken and slow the pressing operation. Perform 5 to 10 empty pressing operations to heat up the pressing tool.
If the pressing operation is ended prematurely, the fitting must be removed or, if possible, repressed.

1. Insert the pressing jaw. → page 9

2. Squeeze the legs of the pressing jaws together.
   ▶ The pressing jaw opens.

3. Enclose the fitting to be installed in the pressing jaw.

4. Press and hold down the control switch until the piston retracts.
   ▶ The pressing operation is completed successfully.

Care and maintenance

WARNING
Risk of injury with the battery inserted!
▶ Always remove the battery before carrying out care and maintenance tasks!
Care of the product

• Carefully remove stubborn dirt.
• Carefully clean the air vents, if present, with a dry, soft brush.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as these can attack the plastic parts.
• Use a dry, clean cloth to clean the contacts of the product.

Care of the Li­ion batteries

• Never use a battery with clogged air vents. Clean the air vents carefully using a dry, soft brush.

• Avoid unnecessary exposure of the battery to dust and dirt. Never expose the battery to high levels of moisture (e.g. by being dipped in water or left in the rain).
  If a battery has been soaked by moisture, treat it as a damaged battery. Isolate it in a non-flammable container and consult Hilti Service.

• Keep the battery free of extraneous oil and grease. Do not permit dust or dirt to accumulate unnecessarily on the battery. Clean the battery with a dry, soft brush or a clean, dry cloth. Do not use cleaning agents containing silicone as these can attack the plastic parts.
  Do not touch the contacts of the battery and do not remove the factory-applied grease from the contacts.

• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as these can attack the plastic parts.

Maintenance

• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all function correctly.
• Do not use the product if signs of damage are found or if parts malfunction. Immediately have the product repaired by Hilti Service.
• After cleaning and maintenance, install all guards and protective devices and check that they are in full working order.

To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare parts, consumables and accessories approved by Hilti for use with your product can be found at your Hilti Store or online at: www.hilti.group
Transport and storage of cordless tools and batteries
Transport
CAUTION
Accidental starting during transport!
▶ Always transport your products with the batteries removed!
▶ Remove the battery/batteries.
▶ Never transport batteries lose and unprotected. During transport, batteries should be protected from excessive shock and vibration and isolated from any conductive materials or other batteries that may come in contact with the terminals and cause a short circuit. Comply with the locally applicable regulations for transporting batteries.
▶ Do not send batteries through the mail. Consult your shipper for instructions on how to ship undamaged batteries.
▶ Prior to each use and before and after prolonged transport, check the product and the batteries for damage.
Storage
WARNING
Accidental damage caused by defective or leaking batteries!
▶ Always store your products with the batteries removed!
▶ Store the product and the batteries in a cool and dry place. Comply with the temperature limits stated in the technical data.
▶ Do not store batteries on the charger. Always remove the battery from the charger when the charging operation has completed.
▶ Never leave batteries in direct sunlight, on sources of heat, or behind glass.
▶ Store the product and batteries where they cannot be accessed by children or unauthorized persons.
▶Prior to each use and before and after prolonged storage, check the product and the batteries for damage.

Troubleshooting

If a problem occurs, always observe the status indicator of the battery. See the section headed Status indicators of the Li­ion battery.
If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by yourself, contact Hilti Service.

▶ Allow the battery to warm up slowly to room temperature.
The battery does not engage with an audible “click”.| The retaining lugs on the battery are dirty.| ▶ Clean the retaining lugs and refit the battery.
Red LED => flashes at long intervals and a warning tone is emitted.| Pressing pressure not achieved (tool was used incorrectly).| ▶ Make sure that the tool is used correctly and check the pressed part if unsure.
Red LED => lights continuously and a warning tone is emitted.| Technical problem.| ▶ Contact Hilti Service.
Red LED => lights continuously and no warning tone is emitted.| Product maintenance is necessary.| ▶ Contact Hilti Service.
Redto  LED => lights continue- ously and a warning tone is emitted.| Technical problem.| ▶ Contact Hilti Service.
Red LED => lights briefly and no warning tone is emitted.| Product overheated.| ▶ Allow the product to cool down.
Red LED => flashes at short intervals and a warning tone is emitted.| The state of charge of the battery is too low to allow a complete operating cycle.| ▶ Change the battery and charge the empty battery.
LEDs of the battery show nothing| The battery is faulty.| ▶ Contact Hilti Service.

Disposal

WARNING
Risk of injury due to incorrect disposal! Health hazards are due to escaping gases or liquids.
▶ DO NOT send batteries through the mail!
▶ Cover the terminals with a non-conductive material (such as electrical tape) to prevent short-circuiting.
▶Dispose of your battery out of the reach of children.
▶Dispose of the battery at your Hilti Store, or consult your local governmental garbage disposal or public health and safety resources for disposal instructions.

Most of the materials from which Hilti products are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, your old ,tools, machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti sales representative for further information.
▶ Do not dispose of power tools, elect,ronic equipment or batteries as household waste!
Manufacturer’s warranty
▶Please contact your local Hilti representative if you have questions about the warranty conditions.

EC Declaration of Conformity I UK Declaration of Conformity

Manufacturer:
Hilti Corporation
Feldkircherstral3e 100
9494 Schaan
UK Importer:
Hilti (Gt. Britain) Limited
Trafford Wharf Road, Old Trafford
Manchester, M17 1BY
NCT 25 S-22 (02), NCT 53 C-22 (02), NCT 45 S-22 (02),
NPR 19-22 (02), NPR 32-22 (02), NPR 24-22 (01),
NCR 60 D-22 (02), NCR 60 DC-22 (02), NUN 54-22 (02), NPU 100-22 (02)
Serial Numbers: 1-99999999999
2006/42/EC I Supply of Machinery (Safety) Regulations 2008
2014/30/EU I Electromagnetic Compatibility Regulations 2016
2011/65/EU I The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012
EN 62841-1:2015
EN 55014-1:2017 + A11:2020
EN 55014-2:2015

Dr. Tahar Zrilli
Head of Quality and Process Management Business Area Electric Tools & Accessories
Schaan, 10.11.2021

Tassilo Deinzer
Executive Vice President
Business Unit Power Tools & Accessories

http://qr.hilti.com/manual/?id=2321730 &id=2321732

NURON

C 4-22

C 6-22
C 8-22

Hilti Corporation
LI-9494 Schaan
Tel.:+423 234 21 11
Fax:+423 234 29 65
www.hilti.group

https://hilti.to/ontrackapp

2321732
Hilti registered trademark of Hilti Corp., Schaan.

References

• HILTI Country selector
• Главная страница - Hilti Россия

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