HILTI NUN 54-22 Cordless 6-Ton Cable Crimper Instruction Manual

HILTI NUN 54-22 Cordless 6-Ton Cable Crimper

Information about the documentation

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.

Explanation of symbols

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 the equipment or other property.

Symbols in the operating instructions
The following symbols are used in these operating instructions:

| Comply with the operating instructions
---|---
| Instructions for use and other useful information
| Dealing with recyclable materials
| Do not dispose of electric equipment and batteries as household waste
| Hilti Li­ion battery
| Hilti charger

Symbols in illustrations

The following symbols are used in illustrations:

| These numbers refer to the illustrations at the beginning of these operating instructions.
---|---
| The numbering reflects the sequence of operations shown in the illustrations and may deviate from the steps described in the text.
| 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

Symbols on the product
The following symbols can be used on the product:

| Risk of crushing injury!
---|---
| Risk of cutting injury!
| Wear protective glasses!
| The product supports wireless data transmission compatible 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 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.
| If applied to the product, the product has been certified by this certification body for the US and Canadian markets according to the applicable standards.

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 about the product.

Product information

Safety

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 the 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 the 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-elated 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 for 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 the 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 applicable to crimping/cutting tools
Safety when working in the vicinity of electrical installations
Invariably, before work commences a risk assessment has to be carried out, and the necessary protective measures have to be implemented.
All personnel involved in work in the vicinity of electrical installations must have received instruction concerning the applicable safety requirements, safety regulations, and company operating procedures.
Working procedures are divided into three different procedures: dead working, live working and working in the vicinity of live parts. All these procedures are based on the use of protective measures against electric shock and/or the effects of short-circuits and arcing. For further details refer to EN 50110 and any national requirements and practices. It shall be verified that all methods and tools chosen are suitable for the installation to be worked on.

• For all work on electrical installations, observe the valid international, national and local laws and regulations, such as EN 50110.

Personal safety

• Comply with the country-specific standards and safety instructions for the operation of crimping/cutting 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 crimping/cutting tool only when it is in perfect working order.
• 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.
• During the crimping/cutting operation, great care must be taken to ensure that the hands and fingers are kept well clear of the crimping/cutting head.
• Wait until the product has come to a complete stop before you lay it down.
• Switch the crimping/cutting tool on only after bringing it to the working position.
• Be extra careful when working on lines that are under mechanical tension.
• Always hold the crimping/cutting 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 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.

Electrical safety

• Before use of the crimping/cutting 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 electrically live cables or equipment applicable in your country 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 crimp/cut live parts, i.e. parts carrying electric voltage. The crimping/cutting 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. It is essential to ensure adequate insulation for working in the vicinity of electrically live lines, for example by the use of solid insulating  material or maintenance of an adequate air gap. Among other uses, the crimping/cutting tool is suitable for use on electrically insulating aerial lifts or platforms.

• In order to use the crimping/cutting tool in the vicinity of electrically live lines, the user must:
  • take all different potentials (voltages) into account.
  • make sure that all chosen measures and tools are appropriate for the application.
  • be trained for working on electrically live lines.
  • wear fit-for-purpose personal protective equipment.
  • wear appropriate, close-fitting clothing.
  • remove metallic lifestyle accessories such as jewelry.

Power tool use and care

• After approx. 50 consecutive crimping/cutting operations, switch the crimping/cutting tool off, and allow it to cool down for about 15 minutes. Overheating can lead to damage to the crimping/cutting tool.
• Store the crimping/cutting 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.

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.
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

Product overview

Intended use
The product described is a cordless, electro-hydraulic crimping and cutting tool.
It is designed for crimping connectors made of copper (Cu) or aluminum (Al) and for cutting through cables made of copper (Cu), aluminum (Al) or steel.
Depending on the application it is to be used for, the product can be equipped with crimping or cutting dies.
Before work commences, all live cables and other equipment carrying electric voltage within the area in which the user is working must 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.

• 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.

Possible misuse

• Do not use this hand-held crimping and cutting tool clamped in a fixed position or as a stationary device.
• Do not expose this electro-hydraulic crimping and cutting tool to heavy rain or use it under water.

Items supplied
Crimping/cutting 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 
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 inserted 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.

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 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.

Selecting the crimping die

A table to assist with selecting the type of crimping die to be used can be found at the end of these operating instructions.

Technical data

in (7.1 mm)
Steel-reinforced Al cable (ACSR)| 13/16 in (20.6 mm)
Cu/AI cable| 15/16 in (23.8 mm)
max. cutting capacity (outside diameter) (NCT J CUAL cutting jaw)| Cu cable| 1 1/4 in (31.8 mm)
Al cable| 1 19/64 in
(32.9 mm)
Max. permissible crimping capacity| Cu cable| 600 MCM
Al cable| 300 MCM
Storage temperature| -4 °F … 158 °F (-20 °C … 70 °C)
Ambient temperature for operation| 1 °F … 140 °F (-17 °C … 60 °C)

Battery

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.

WARNING
The risk of injury by incorrectly positioned crimping/cutting dies! Incorrectly positioned crimping/cutting dies can fly out like projectiles and cause injuries.

• Before and during the crimping/cutting operation, make sure that the crimping/cutting dies are correctly positioned.

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.

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.

Switching starting lock on/off
The crimping tool has a starting lock that can be optionally activated or deactivated. If the starting lock is activated, the control switch has to be pressed twice to start the crimping operation. This prevents inadvertent starting.
The factory default is starting lock deactivated.

1. Remove the battery. → page 9
2. Press and hold down the control switch.
3. Insert the battery into the crimping tool.
4. Release the control switch.
   • The green LED flashes twice; acoustic signal sounds twice: starting lock activated
   • The green LED flashes twice; the acoustic signal sounds once: starting lock deactivated

Inserting crimping or cutting jaws 2

WARNING
Risk of injury! Unintentional starting.

• Remove the battery before fitting, changing, or removing the crimping /pressing or cutting jaws.

Never operate the product without crimping or cutting jaws in place!

1. Select the appropriate crimping or cutting jaws.
2. Press the locking pins.
3. Rotate the locking pins counterclockwise as far as they will go.
   • The locking pin pops out.
4. Insert the crimping or cutting jaws.
5. Push the locking pins in until they engage.

The locking pin is engaged correctly when it projects slightly on the other side of the crimping or cutting jaws.

Removing crimping or cutting jaws 3
WARNING
Risk of injury! Unintentional starting.
▶ Remove the battery before fitting, changing, or removing the crimping /pressing or cutting jaws.

1. Turn the crimping 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 crimping or cutting jaws forward and out of the product.

Inserting crimping die (only for crimping jaws with crimping dies) 4

WARNING
Risk of injury! Unintentional starting.
▶Remove the battery before fitting, changing or removing the crimping/pressing die.
Never operate the product without a crimping die installed!

1. Select suitable crimping dies.
2. Turn the crimping head so that the mount for the crimping dies is easily accessible.
3. Push the crimping dies in until they engage.

Removing crimping die (only for crimping jaws with crimping dies) 5

WARNING
Risk of injury! Unintentional starting.
▶Remove the battery before fitting, changing, or removing the crimping/pressing die.

1. Turn the crimping head so that the mount for the crimping dies is easily accessible.
2. Pull out the locking pin of the crimping die you want to remove.
3. Remove the crimping die.

Changing the cutting edges 6

WARNING
Risk of injury! Unintentional starting.
▶Remove the battery before inserting, changing, or removing cutting edges.

1. Unscrew the securing screws of the cutting edge guide.
2. Work the cutting edge guide forward and out of the product.
3. Unscrew the cutting edge securing screws.
4. Ease the old cutting edges forward and out of the product.
5. Insert the new cutting edges into the product.
6. Tighten the cutting edge securing screws.
7. Set the cutting edge guide on the cutting edge.
8. Tighten the securing screws of the cutting edge guide.

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.

Performing crimping operation

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 burn injury due to faulty crimping operations. Burns can result.

• Use crimping terminals of the correct type and size for the cable and use them with the corresponding crimping dies.
• Listen for the acoustic signal and check that the piston has retracted. If no acoustic signal sounds and/or the piston does not retract, the crimping operation is faulty.

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 crimping/cutting tool if the damage is visible.
• Do not use the crimping/cutting tool if oil escapes.
• Make sure that the piston retracts after every crimping operation.
• If the piston does not retract after the crimping operation, press the piston return switch for manual retraction.

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 connection material in combination with the correct crimping dies.
• Before and during the crimping operation, make sure that the crimping dies are correctly positioned.

CAUTION
Short-circuit due to formation of flash produced by crimping operations! A faulty crimping operation can lead to the formation of flash, which can cause shortcircuiting/arcing.

• Use the correct crimping die.
• Use suitable connecting material.
• Remove the flashes that form in the course of crimping work.

In cold weather, the hydraulic oil can thicken and slow the crimping operation. Perform 5 to 10 empty crimping operations to heat up the crimping tool.

1. Turn the crimping head to the desired position.
2. Insert the connecting material into the open crimping head.
3. Press and hold down the control switch until the piston retracts.
4. Remove the crimped connecting material.

Repeat the crimping operation if necessary, but never at the same place. Perform further crimping operations beside each other (B). Obtain the information concerning the permitted number of crimping operations from the manufacturer of the connecting material.

Making the cut 8

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! Risk of serious injury during the cutting operation.

• Throughout the cutting operation, take great care to keep your hands and fingers well clear of the cutting jaws.

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 crimping/cutting tool if the damage is visible.
• Do not use the crimping/cutting tool if oil escapes.
• Make sure that the piston retracts after every crimping operation.
• If the piston does not retract after the crimping operation, press the piston return switch for manual retraction.

In cold weather, the hydraulic oil can thicken and slow the cutting operation. Perform 5 to 10 empty cutting operations to heat up the cutting tool.

1. Turn the cutting head to the desired position.

2. Place the material to be cut in the open cutting head or hold the cutting tool with open cutting jaws against the material to be cut.
   Always make sure that the material to be cut is fully inserted into the cutting head.
   Do not exceed the maximum cutting capacity.
   Do not attempt to cut material that cannot be inserted fully into the cutting head.

3. Press and hold down the control switch until the piston retracts.

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 table

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 doesn’t 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.| Crimping/pressing pressure not achieved (tool was used incorrectly).| ►Make sure that the tool is used correctly and check the crimped / pressed part if unsure.
Red LED => lights continu- ously and a warning tone is emitted.| Technical problem.| ►Contact Hilti Service.
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.
Red LED => lights briefly and no warning tone is emitted.| Product overheated.| ►Allow the product to cool down.

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, electronic equipment or batteries as household waste!

Manufacturer’s warranty

• Please contact your local Hilti representative if you have questions about the warranty conditions.

Further information

For more information on operation, technology, environment, and recycling, follow this link: qr.hilti.com/manual?id=2321737
This link is also to be found at the end of the documentation, in the form of a QR code.

http://qr.hilti.com/manual/?id=2321737

Hilti Corporation LI-9494 Schaan
Tel. :+423 234 21 11
Fax: -F423 234 29 65
www.hilti.group

References

• HILTI Country selector
• Главная страница - Hilti Россия

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