HILTI TE DRS4-A Dust Removal System Instruction Manual

June 13, 2024
HILTI

TE DRS­4-A

TE DRS4-A Dust Removal System

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Original operating instructions

Information about the operating instructions

1.1 About these operating instructions

  • Read these operating instructions before the product is used or operated for the first time. This is a prerequisite for safe, trouble-free handling and use of the product.
  • Observe the safety instructions and warnings in these operating instructions and on the product.
  • Always keep the operating instructions with the product and make sure that the product is accompanied by these operating instructions only, when the product is given to other persons.

1.2 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 the equipment or other property.

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

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

1.2.3 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 numbers in illustrations refer to important work steps or to components important for the work steps. In the text, the corresponding numbers draw attention to these work steps or components, e.g. (3).
11| Item reference numbers are used in the overview illustration and refer to the numbers used in the key in the product overview section.
| This symbol is intended to draw your special attention to certain points for handling the product.

1.3 Product information
Hilti products are designed for professional use and may be operated, serviced and maintained only by trained, authorized personnel. 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

Dust removal attachment TE DRS­4­A
Generation 01
Serial no.

Safety

2.1 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 which may ignite the 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. 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. 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 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 jewellery. Keep your hair and clothing away from moving parts. Loose clothes, jewellery 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. 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 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. Use of any other battery packs may create a risk of injury and fire.
▶ When 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 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.

2.2 Safety instructions
▶ Observe all safety instructions in this documentation and in the documentation of the Hilti rotary hammer drill.
▶ Use respiratory protection to keep residual dust away from the face and airways when drilling and when servicing the tool or accessories.
▶ Always use the side handle on the Hilti rotary hammer drill, even when the dust removal module is fitted.
▶ Picking up materials hazardous to the health (e.g. asbestos) is not permissible.

Description

3.1 Overview of the product 1

  1. Suction head
  2. Stroke limiter
  3. Depth gauge
  4. Dust container with filter
  5. Dust container release
  6. DRS release button
  7. Guide (tool)
  8. Electrical interface on the tool, with sliding cover
  9. DRS electrical interface

3.2 Intended use
The TE DRS­4­A (01) dust removal module is an accessory for the Hilti TE 4­A22 (02) rotary hammer drill. It collects a high percentage of the dust and it attaches quickly and easily to the rotary hammer drill. The dust removal module has a built-in extractor fan. This fan is driven by its own motor. When the rotary hammer drill is switched on the dust removal module draws its electric power from the rotary hammer drill’s battery.
The dust removal module is not suitable for working on metal and wood.
Conditions: TE DRS-4-A T1
The TE DRS-4-A T1 satisfies the requirements of OSHA 1926.1153 Table 1.

3.3 Items supplied
Dust removal module, operating instructions.
For safe, reliable operation, use only genuine Hilti spare parts and accessories. Spare parts, accessories and consumables approved by Hilti for use with this product can be found at your Hilti Center or at www.hilti.group.

Technical data

| TE DRS-4­A
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Rated power input| 60 W
Rated power input| 250 ℓ/min
Weight| 1 kg
(2 lb)
Operating stroke| ≤ 96 mm
(≤ 3.8 in)
TE-C hammer drill bits used, ⌀| 4 mm … 16 mm
(3/16 in … 5/8 in)

Operation

5.1 Preparations at the workplace

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.
5.1.1 Fitting the dust removal module 2
Before fitting the module, check that the attachment points and the electrical interfaces on the rotary hammer drill and dust removal module are free of dust and that the parts fit or move freely and easily.

  1. Remove the battery.
  2. Set the forward / reverse selector switch on the rotary hammer drill to the middle position.
  3. Remove the depth gauge from the side handle.
  4. Push the dust removal module onto the tool from the front until it engages.
  5. After fitting, check that the dust removal module is secure.

5.2 Types of work
5.2.1 Setting the length (stroke) 3

Risk of injury The telescopic section will jump out when the stroke preselection button is pressed.
▶ Hold the rotary hammer with the dust removal module so that the telescopic section cannot injure you when it jumps out.

The default stroke setting is for a drill bit length of 170 mm. The stroke has to be adjusted if shorter drill bits are used.

  1. Press the stroke length limiter and keep it pressed.
  2. With the drill bit fitted, press the rotary hammer drill against the working surface until the tip of the drill bit comes into contact with the surface.
  3. Release the stroke length limiter.

5.2.2 Setting drilling depth (depth gauge)
If drilling depth has to be exact, drill test holes to establish the correct depth.

  1. Press the depth gauge and keep it pressed in.
  2. Move the ring to the desired drilling depth.
  3. Release the depth gauge.

5.2.3 Cleaning the TE-DRS-T1 filter 4
Clean the filter after drilling 5 holes (16 mm x 50 mm) (1/2 in x 3 in).
▶ When suction power diminishes, slide the cleaning mechanism 5 times forward and back until it audibly clicks on each slide.

5.2.4 Emptying the dust box 5
Dust can escape if the filter is full, so it has to be emptied regularly. Wear respiratory protection when doing this.

  1. Hold the power tool horizontal and allow it to run for a short time.
    ▶ This ensures that residual dust deposits in the dust removal module are drawn into the dust box.

  2. Press and hold down the release button of the dust container.

  3. Pull the dust box down and clear of the dust removal module.

  4. Empty the dust box.

  5. Push the empty dust box back into the dust removal module from below until it engages.

5.2.5 Removing the dust removal module

  1. Remove the accessory tool.
  2. Set the forward / reverse selector switch on the rotary hammer drill to the middle position.
  3. Press and hold down the DRS release button.
  4. Pull the dust removal module downwards away from the power tool.

Care and maintenance

▶ Check all parts of the module for signs of damage at regular intervals and make sure that they all function correctly. Do not use the module if parts are damaged or if they do not function correctly.
▶ Do not use water, oil, grease or cleaning products.
▶ Use only a dry brush and a cloth to clean the dust removal module.
▶ Do not touch the filter material when cleaning it and do not use compressed air to clean it. This can damage the filter material.

6.1 Changing the suction head 6

  1. Remove the dust removal module. → page 14
  2. Press and hold down the suction head release button.
  3. Pull the old suction head up and out of its guide.
  4. Press the new suction head into the guide until it engages.

Care and maintenance

Risk of injury with 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 Li­-ion 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

Accidental starting during transport !
▶ Always transport your products with the batteries removed!
▶ Remove the battery/batteries.
▶ Never transport batteries loose 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

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 the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by yourself, please contact Hilti Service.

9.1 Troubleshooting

Trouble or fault Possible cause Action to be taken
An excessive amount of dust is generated. The dust container is full. ►Empty

the dust box. -‘ page 13
The filter is defective.| ►Fit a new filter.
The suction head is defective.| ►Change the suction head.
The suction head brush is wom.| ►Change the suction head.
The drill bit is not centered in the suction head.| The dust removal module is not fitted correctly.| ►Fit the dust removal module to the tool correctly.

Disposal

Most of the materials from which Hilti tools and appliances 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 representative for further information.

**** ▶ Do not dispose of power tools, electronic equipment or batteries as household waste!

RoHS (Restriction of Hazardous Substances)

Click on the link to go to the table of hazardous substances: qr.hilti.com/2098487.
There is a link to the RoHS table, in the form of a QR code, at the end of this document.

 Manufacturer’s warranty

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

http://qr.hilti.com/r3159307

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

https://hilti.to/ontrackapp

Hilti = registered trademark of Hilti Corp., Schaan

References

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