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Warnings alert persons to hazards that occur when handling or using the product. The following signal words are used:
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 Li ion battery | |
Hilti charger |
The following symbols are used in illustrations:
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. |
The following symbols can be used on the product:
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.
Product information
Impact wrench | SIW 4AT-22 |
Generation | 01 |
Serial no. |
The product described is a hand-held cordless impact wrench. It is designed for tightening and releasing nuts, bolts, anchors and wood screws.
The impact wrench may only be used for applications that do not require a specified torque. Failure to observe this point presents a risk of overtightening and damage to the bolt, screw or workpiece.
Impact wrench, operating instructions
Other system products approved for use with this product can be found at your local Hilti Store or at: www.hilti.group
Hilti Nuron Li-ion batteries can indicate state of charge, fault messages and the battery's state of health.
Risk of injury by a falling battery!
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.
Status | Meaning |
Four (4) LEDs show constantly green | State of charge: 100% to 71% |
Three (3) LEDs show constantly green | State of charge: 70% to 51% |
Two (2) LEDs show constantly green | State of charge: 50% to 26% |
One (1) LED shows constantly green | State of charge: 25% to 10% |
One (1) LED slow-flashes green | State of charge: < 10% |
One (1) LED quick-flashes green | The Li-ion battery is completely discharged. 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. |
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 battery dropped or pierced, external heat damage, etc.
Status | Meaning |
All LEDs show in sequence, followed by one (1) LED showing constantly green. | 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 complete. 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. |
Rated voltage | 21.6 V | |
Weight without battery | 1 kg (2 lb) | |
Torque adjustment | 3 settings | |
Rated speed under no load | Setting I | 0 /min... 1,000 /min |
Setting II | 0 /min... 1,500 /min | |
Setting III | 0 /min... 2,300 /min | |
Impact speed | ≤ 3,500 /min | |
Chuck | 1/ 2 ' square drive with ball-notch retention | |
Large standard bolts | M8 to M16 | |
Large high-strength bolts | M6 to M12 | |
Storage temperature | −20 ℃... 70 ℃ (−4 ℉... 158 ℉) | |
Ambient temperature for operation | −17 ℃... 60 ℃ (1 ℉... 140 ℉) |
Battery operating voltage | 21.6 V |
Weight, battery | See the end of these operating instructions |
Ambient temperature for operation | −17 ℃... 60 ℃ (1 ℉... 140 ℉) |
Storage temperature | −20 ℃... 40 ℃ (−4 ℉... 104 ℉) |
Battery charging starting temperature | −10 ℃... 45 ℃ (14 ℉... 113 ℉) |
Risk of injury by inadvertent starting!
Observe the safety instructions and warnings in this documentation and on the product.
Risk of injury by short circuit or falling battery!
Risk of injury through use of the wrong type of accessory tool!
Risk of injury by the accessory tool! The accessory tool might be hot or have sharp edges.
Risk of injury by falling tool and/or accessory!
Comply with the national regulations for working at heights.
As drop arrester for this product, use only a combination of the Hilti retaining strap and the Hilti tool tether #2261970.
Observe the safety instructions and warnings in this documentation and on the product.
Risk of injury by damaged workpieces! Screws or workpiece can be damaged if torque is too high. This presents a risk of injury.
If the product is connected to an intelligent torque module, AT shows in the torque display and pressing the torque selector button has no effect. Comply with the operating instructions of the intelligent torque module.
Risk of injury with battery inserted !
Care of the product
Care of the Li ion batteries
Maintenance
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
Accidental starting during transport !
Storage
Accidental damage caused by defective or leaking batteries !
If a problem occurs, always observe the status indicator of the battery. See the section headed Status indicators of the Li ion 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.
Trouble or fault | Possible cause | Action to be taken |
Product does not work | The battery is not fully inserted. |
|
The control switch can't be pressed, i.e. the switch is locked. | The forward/reverse switch is in the middle position. |
|
Running speed suddenly drops considerably | Battery is discharged. |
|
The battery runs down more quickly than usual | Very low ambient temperature. |
|
The battery does not engage with an audible click | Retaining lug on the battery dirty. |
|
Product or battery gets very hot | Electrical fault. |
|
LEDs of the battery show nothing | Battery defective. |
|
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
Electrical safety
Personal safety
Power tool use and care
Battery tool use and care
Service
Observe the special guidelines applicable to the transport, storage and use of lithium-ion batteries.
Read the instructions on safety and use of Hilti Li-ion batteries that you can access by scanning the QR code at the end of these operating instructions.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download HILTI Nuron SIW 4AT-22 - Cordless Impact Wrench Manual
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