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Hilti DD 150-U Diamond Coring Tool User Guide
Quick guide for the Hilti DD 150-U diamond coring tool, covering setup, operation, safety, and troubleshooting.
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This document provides essential information for the professional use of the Hilti DD 150-U diamond coring tool. It covers safety, setup, operation, and maintenance. Always ensure the tool is correctly mounted on the drill stand and that all safety warnings are understood before use.
Device Description
The DD 150-U is an electrically powered diamond core drilling machine designed for hand-guided or stand-guided wet and dry drilling in mineral substrates. It features Bluetooth connectivity for service and status monitoring via the Hilti ON!Track 3 app.
Setup and Installation
The drill stand must be securely fastened to the work surface using anchors or a vacuum base plate. Ensure the surface is smooth, clean, and non-porous for vacuum mounting. Always use the supplied PRCD (or an isolating transformer) and test it before each use.
Operation
The tool supports various drilling modes, including hand-guided and stand-guided wet/dry drilling. For upward wet drilling, a water collection system combined with a wet-type industrial vacuum extractor is mandatory. Always select the correct gear based on the core bit diameter.
Maintenance
Regularly clean the chuck and clamping segments, and lubricate them with Hilti spray. Replace carbon brushes when the service indicator appears on the display. Always disconnect the tool from the power supply before performing any maintenance.
Troubleshooting
If the tool fails to operate, check the PRCD, power supply, and ensure the motor is dry. If the tool is running but performance decreases, check for jammed core bits, incorrect gear selection, or insufficient contact pressure.
Manufacturer information
Hilti Corporation
Practical help
Common problems
Multifunction display shows nothing
Check if the PRCD is switched on, verify power supply, and ensure the motor is dry.
Restart interlock active
Switch the tool off and on again. Check for overload, overheating, or power supply faults.
Drilling speed decreases
Check for jammed core bits, incorrect gear selection, insufficient contact pressure, or dull diamond segments.
Water leaking from chuck during operation
Ensure the core bit is securely tightened and check the seal.
Before use
- Read and understand all safety warnings and instructions.
- Ensure the tool is correctly and securely mounted on the drill stand.
- Test the PRCD before each use.
- Check that the core bit is compatible and correctly secured.
- Ensure the work area is clean and well-lit.
Specs in practice
- Drilling depth
- 450 mm maximum.
- Permissible water supply pressure
- ≤ 6 bar.
- Bluetooth frequency band
- 2,400 MHz – 2,483 MHz.
Images and diagrams
- Page 2: Overview of the DD 150-U diamond coring tool components.
- Page 3: Overview of the DD-ST 150-U CTL drill stand components.
- Page 4-7: Procedural diagrams for mounting, setup, and operation.
Model compatibility
- Designed for use with Hilti system products.
- Bluetooth compatible with iOS and Android platforms via Hilti ON!Track 3 app.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.