Product features the Cut Assist function 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 informed of any particular hazards that may be encountered. 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.
▶ 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 Remote control unit DST WRC-CA Generation Serial no.
This will ensure that the safety of the power tool is maintained. Additional safety instructions, remote control unit The remote control unit complies with all the requirements of the applicable directives, but Hilti cannot entirely rule out the possibility of interference caused by powerful electromagnetic radiation affecting the remote control unit, possibly leading to incorrect operation.
▶ If the battery is too hot to touch it may be defective. In this case, place the product in a non-flammable location, well away from flammable materials, where it can be kept under observation and allowed to cool down. Contact Hilti Service after the battery has cooled down. Description...
When the cable is used the wireless connection is deactivated. ▶ Use this product only with Hilti Liion batteries of the PRA 84 and PRA 84 G series and the PUA 81 battery charger designed for these batteries.
After you switch on the remote control unit, in order to start the first advance you have to turn the control knob clockwise at the same time as you operate the joystick. Control knob The control knob enables you to select the following functions: •...
1 Charger 1 Remote control cable 1 Case 1 Angle piece (optional) Other system products approved for use with this product can be found at your local Hilti Store or online at: www.hilti.group | USA www.hilti.com. Technical data Remote control unit...
PUA 81 charger Rated supply current 115 V …230 V AC frequency 47 Hz …63 Hz Rated power 36 VA Rated voltage 12 V Operating temperature 0 ℃ …40 ℃ Storage temperature (dry) −25 ℃ …60 ℃ Charging temperature 0 ℃ …40 ℃ PRA 84 Li-ion battery Rated voltage 7.2 V …13 V...
Charging the battery 1. Connect the plug of the charger to the battery. 2. Plug the battery charger's supply cord into a power outlet. ◁ The red LED on the battery lights while charging is in progress. The battery is fully charged as soon as the red LED goes out.
3. Enter the password and press <<OK>>. 4. Use the control knob to set the desired cutting speed. 5. Use the <<Down>> button to proceed to the next setting. 6. Use the control knob to set the desired depth for the pilot cut. 7.
5.11 Setting screen brightness 1. On the HOME screen, select <<Settings>>. 2. Select <Screen brightness> and confirm your choice with <<OK>>. 3. Use the control knob to set the desired screen brightness. 4. Use <<OK>> to confirm your settings. 5.12 Setting the date and time 1.
3. Use <<OK>> to reset the remote control unit to the factory default settings or exit the screen with <<Cancel without saving>>. ◁ The pairing information for the partner device is not deleted. Manual operation Overview In manual-mode cutting the operator makes all the settings, both before and during cutting. Measure the outside diameter of the saw blade before installing it.
If an action on your part is required, a message prompting you to take the appropriate action appears on the display. Measure the outside diameter of the saw blade before installing it. The diameter you enter influences blade speed of rotation and depth and length of the cut. Cutting with the wall saw in Cut Assist mode The values for saw blade diameter and blade guard type proposed here can be defined in the <<Settings>>.
20. When you are satisfied that all the entries are correct, press the DRIVE ON/OFF but to start cutting in Cut Assist mode. If necessary, adjustments can be made to the cutting depth, performance and rotary speed while cutting is in progress. The saw blade will be lifted out of the cut as soon as the cut is completed.
• Do not operate the cordless tool if signs of damage are found or if parts malfunction. Have the tool repaired by Hilti Service immediately. • After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
▶ 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.