HILTI VC 20L-X Compact Wet/Dry Construction Vacuum Cleaner User Manual

1. Introduction and Safety Information

This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your HILTI VC 20L-X Compact Wet/Dry Construction Vacuum Cleaner. Please read this manual thoroughly before initial use and keep it for future reference. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.

General Safety Warnings

• Always ensure the vacuum cleaner is disconnected from the power supply before performing any adjustments, changing accessories, or storing the tool.
• Do not use the vacuum cleaner in wet conditions or expose it to rain.
• Do not vacuum flammable or combustible materials, hot ashes, or sharp objects.
• Ensure proper ventilation when operating in enclosed spaces.
• Use only genuine HILTI accessories and spare parts.

2. Product Overview

The HILTI VC 20L-X is a compact and robust wet/dry vacuum cleaner designed for construction site applications. It features a universal filter set and is rated for 100V operation.

Image 2.1: Front-side view of the HILTI VC 20L-X vacuum cleaner, showcasing its compact design and control panel.

Key Components

• Main Unit with Motor Head
• Dust Container (15L capacity)
• Universal Filter Set
• Suction Hose Connection
• Power Cord
• Caster Wheels for mobility
• Integrated Carrying Handle

3. Setup and Initial Use

Assembly

1. Unpack all components and check for any damage.
2. Attach the caster wheels to the base of the vacuum cleaner if not already installed. Ensure they are securely fastened.
3. Open the latches and remove the motor head from the dust container.
4. Ensure the universal filter set is correctly seated in the motor head.
5. Replace the motor head and secure the latches.
6. Connect the suction hose to the designated inlet on the vacuum cleaner.
7. Attach the desired nozzle or accessory to the other end of the suction hose.

Power Connection

Connect the power cord to a suitable 100V AC power outlet. Ensure the outlet is properly grounded and can handle the power requirements of the vacuum cleaner.

4. Operating Instructions

The HILTI VC 20L-X is designed for both wet and dry vacuuming applications on construction sites. It complies with Dust Class L standards, indicating suitability for general dust with a maximum occupational exposure limit of >1 mg/m³.

Image 4.1: The HILTI VC 20L-X vacuum cleaner in operation, connected to a power tool for dust extraction.

Dry Vacuuming

• Ensure the universal filter is clean and correctly installed.
• Connect the suction hose and desired dry vacuuming accessory.
• Switch the vacuum cleaner ON using the power switch.
• For optimal dust collection, ensure the dust container is not overfilled.

Wet Vacuuming

• Remove any dust bags if present. The universal filter is suitable for wet vacuuming.
• Connect the suction hose and a suitable wet vacuuming accessory.
• Switch the vacuum cleaner ON.
• The vacuum cleaner is equipped with a float switch that automatically stops suction when the maximum liquid level (9L) is reached. Turn off the vacuum and empty the container immediately.
• After wet vacuuming, clean the container and allow all components to dry thoroughly to prevent mold and odors.

Image 4.2: The HILTI VC 20L-X vacuum cleaner actively collecting dust during a construction task, demonstrating its integration with other HILTI tools.

5. Maintenance

Regular maintenance ensures the longevity and optimal performance of your HILTI VC 20L-X vacuum cleaner. Always disconnect the power supply before any maintenance work.

Emptying the Dust Container

• Unlatch and remove the motor head.
• Carefully lift and empty the dust container. For dry dust, dispose of it according to local regulations. For liquids, empty into a suitable drain.
• Clean the inside of the container with a damp cloth if necessary.

Filter Cleaning and Replacement

• The universal filter should be regularly inspected for damage or excessive clogging.
• To clean, gently tap the filter or use compressed air (from the clean side) to remove dust. Do not wash the filter unless specifically designed for it and allowed by HILTI.
• Replace the filter if it is damaged, torn, or if suction performance significantly decreases even after cleaning. Use only genuine HILTI replacement filters.

General Cleaning

• Wipe down the exterior of the vacuum cleaner with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
• Check the suction hose and accessories for blockages and clean as needed.

6. Troubleshooting

This section addresses common issues you might encounter with your HILTI VC 20L-X vacuum cleaner.

If you encounter a problem not listed here or if the suggested solutions do not resolve the issue, please contact HILTI customer support.

7. Specifications

Technical data for the HILTI VC 20L-X Compact Wet/Dry Construction Vacuum Cleaner:

• Model: VC 20L-X
• Part Number: 3712928
• Voltage: 100V
• Dust Collection Capacity: 15 Liters
• Dust Class: L (for general dust with OEL >1 mg/m³)
• IP Protection Class: IP x 4 (EN 60529) - Protected against splashing water from any direction.
• Dust Capacity: 15 kg
• Water Supply (Max): 9 Liters
• Dimensions (L x W x H): 530 x 290 x 415 mm
• Cordless: No

8. Warranty and Support

For detailed warranty information, please refer to the warranty card included with your product or visit the official HILTI website. For technical support, spare parts, or service, please contact your local HILTI customer service representative.