Page 4
1 Information about the documentation 1.1 Conventions 1.1.1 Warning signs The following warning signs are used: General warning Warning: hot surface 1.1.2 Prohibition signs The following prohibition signs are used: Transport by crane is not permissible. 1.1.3 Symbols The following symbols are used: Read the operating instructions before use.
Page 5
The type designation and serial number are printed on the type identification plate. ▶ Make a note of this data in the following table and always refer to it when making an enquiry to your Hilti representative or Hilti Service Center.
Page 6
▶ Have the appliance serviced by a qualified repair person using only genuine Hilti spare parts. The safety of the appliance can thus be maintained.
Page 7
Dirty or dusty appliances should thus be checked by Hilti Service at regular intervals, especially if used frequently for working on conductive materials.
Page 8
• core drilling machines using dry-cutting core bits. • Picking up drilling slurry (mineral materials) with Hilti diamond core bits or Hilti diamond saws and liquids up to a temperature of < 60 °C (140 °F). • Picking up oil or liquid substances with a temperature of up to < 60 °C (140 °F).
Page 9
PE VC 20/40 plastic dust bag, operating instructions. Note To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare parts, consumables and accessories approved by us for use with the product can be found at your local Hilti Center or online at: www.hilti.com...
Page 10
3.8 Instructions for use Accessories and how they are used Accessories Type of use PE VC 20 synthetic dust bag (203854) Working with mineral materials, wet and dry PE VC 40 synthetic dust bag (203852) Working with mineral materials, wet and dry VC 20 paper dust bag (203858) Working with wood VC 40 paper dust bag (203856)
Page 11
VC 20U VC 40U VC 20-UL VC 40-UL Maximum 1100 W •/• •/• 135 m³/h 135 m³/h volumetric flow rate 1200 W •/• •/• 145 m³/h 145 m³/h (air) Maximum 950 W 195 hPa 195 hPa •/• •/• vacuum 1100 W 230 hPa 230 hPa 185 hPa...
5.1 Operating the appliance for the first time 1. Open the two catches. 2. Lift the vacuum cleaner top section away from the waste material container. 3. Remove the accessories and packaging from the waste material container. 4. Fit a suitable dust bag in accordance with the instructions. Note For picking up dusts with an exposure limit value of >...
Page 13
→ Seite 6 for the suction hose used. 2. Set the switch to the smallest hose diameter if you are using the vacuum cleaner with a Hilti hollow drill bit system.
Page 14
2. If possible, use a separate filter element for wet applications. Note The Hilti VC 20/40 universal (2121387) filter is recommended. 3. After picking up liquids, open the two catches. 4. Lift the vacuum cleaner top section away from the waste material container and place it on a level surface so that the filter element can dry.
Page 15
6.9 After use of the vacuum cleaner 1. Switch off the electric tool. 2. Turn the vacuum cleaner control switch to the “OFF” position. 3. Unplug the vacuum cleaner’s supply cord from the power outlet. 4. Coil up the supply cord and hang it on the hook. 5.
Page 16
▶ The appliance must be subjected to a technical inspection by Hilti Service or a trained person at least once a year to check, for example, for damage to the filter, air leakage, and to ensure correct operation of controlling devices.
▶ Store the vacuum cleaner in a secure, dry place where it is inaccessible to unauthorized users. 8 Troubleshooting If the trouble you are experiencing isn’t listed in this table or you are unable to remedy the problem by yourself, please contact Hilti Service. Trouble or fault Possible cause Action to be taken The dust bag is full.
Page 18
9 Disposal Most of the materials from which Hilti products 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.
Page 19
• EN 60335-1, EN 60335-2-69 • EN ISO 12100 Technical documentation filed at: • Electric Tools Approval Department Hilti Entwicklungsgesellschaft mbH Hiltistraße 6 86916 Kaufering Germany Schaan, 06.2015 Paolo Luccini Johannes Wilfried Huber (Head of BA Quality and Process Management / (Senior Vice President / Business Unit Diamond) Business Unit Electric Tools &...
Need help?
Do you have a question about the VC 20U and is the answer not in the manual?
Questions and answers