Hilti VC 20 User Manual

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VC 20 / VC 40

English

Printed: 29.08.2018 | Doc-Nr: PUB / 5370888 / 000 / 01

Table of Contents

Other manuals for Hilti VC 20

Instructions104 pages

Questions and Answers:

T
Tina ParsonsAug 17, 2025
Why is my Hilti Vacuum Cleaner making an acoustic warning signal?
- M
  Mrs. Robin RamirezAug 17, 2025
  The acoustic warning signal and reduced suction power in your Hilti Vacuum Cleaner can be due to several reasons. First, check if the dust bag is full and change it if necessary. Second, the filter element might be clogged; if your vacuum has an automatic filter cleaning system, activate it for 30 seconds. Third, the suction hose or dust hood could be blocked, so clean them. Finally, the hose diameter setting may be incorrect; adjust it, setting it to 15 mm for applications with a hollow drill bit.
J
Jason FrankAug 19, 2025
What to do if the motor of my Hilti VC 20 doesn’t restart?
- A
  Allison HorneAug 19, 2025
  If the motor of your Hilti Vacuum Cleaner doesn't restart, there could be several causes: 1. The mains circuit breaker may have tripped. Try resetting it. If it trips again, investigate the cause of the overload current. 2. The waste material container might be full. Switch off the appliance and empty the container. 3. The motor overheating protection cut-out may have been activated. Turn off the appliance and allow it to cool down for about 5 minutes. If it still doesn’t start, return it to Hilti Service. 4. The motor might be repeatedly switched off by its thermal cut-out. Clean the air vents carefully using a dry brush.
L
larryphamAug 22, 2025
Why is my Hilti VC 20 blowing out dust?
- S
  Stephen GonzalesAug 22, 2025
  If dust is being blown out of your Hilti Vacuum Cleaner, it's likely due to one of two issues. Either the filter element is not fitted correctly, in which case you should refit it, or the filter element is damaged, requiring you to replace it with a new one.
T
Tamara WoodAug 25, 2025
Why does my Hilti VC 20 Vacuum Cleaner switch itself off and on, or discharge static electricity?
- D
  Diane LangAug 26, 2025
  If your Hilti Vacuum Cleaner switches itself off or on, or if you're experiencing static electricity discharges, it's likely due to electrostatic charge not being conducted away because the appliance is connected to an ungrounded power outlet. To resolve this, connect the appliance to a grounded power outlet and use an antistatic suction hose.
S
Samuel BerryAug 27, 2025
What to do if my Hilti VC 20 doesn’t start or switches off quickly?
- M
  Melissa MullinsAug 28, 2025
  If your Hilti Vacuum Cleaner doesn’t start or switches off shortly after starting, the water level cut-out may have been activated. Clean the sensors and the area around them with a brush.
T
Terri GregoryAug 30, 2025
Why doesn’t the motor run on “AUTO” on my Hilti VC 20 Vacuum Cleaner?
- N
  nchenAug 30, 2025
  If the motor of your Hilti Vacuum Cleaner doesn’t run when set to “AUTO”, ensure that the supply cord plug is fully plugged in and check that the appliance functions correctly.
K
kbowenSep 2, 2025
How to fix the automatic filter element cleaning system on my Hilti Vacuum Cleaner?
- R
  Riley FordSep 2, 2025
  If the automatic filter element cleaning system on your Hilti Vacuum Cleaner isn’t working, make sure that the suction hose is connected.
K
Kaitlyn Hines MDSep 5, 2025
Why does my Hilti VC 20 have an acoustic warning signal and reduced suction power?
- A
  Anna HurstSep 5, 2025
  The acoustic warning signal and reduced suction power in your Hilti Vacuum Cleaner may be due to several reasons: the dust bag might be full (change the dust bag), the filter element could be clogged with dirt or dust (activate the automatic filter cleaning system and let the vacuum run for 30 seconds), the suction hose or dust hood on the electric tool may be blocked (clean them), or the hose diameter setting could be incorrect (set the correct hose diameter, using 15 mm for hollow drill bits).
A
Amy JimenezSep 7, 2025
What to do if my Hilti Vacuum Cleaner doesn’t restart?
- S
  sherryfletcherSep 8, 2025
  If the motor of your Hilti Vacuum Cleaner doesn’t restart, check the following: the mains circuit breaker may have tripped (reset it, and identify the reason if it trips again), the waste material container may be full (switch the appliance off and empty it), the motor overheating protection cut-out may have been activated (switch the appliance off and let it cool down for about 5 minutes; if it still doesn’t start, return it to Hilti Service), or the motor might be repeatedly switched off by its thermal cut-out (clean the air vents carefully using a dry brush).
J
Joseph RodgersSep 12, 2025
What to do if my Hilti VC 20 Vacuum Cleaner blows out dust?
- J
  John YoungSep 12, 2025
  If your Hilti Vacuum Cleaner is blowing out dust, it could be that the filter element is not fitted correctly (refit it correctly) or the filter element is damaged (replace it with a new one).

Hilti VC 20 Specifications

General

Brand	Hilti
Model	VC 20
Category	Vacuum Cleaner
Language	English

Summary

Documentation and Symbols

1.1 About this Documentation

Read before operation for safe handling and use.

1.2 Explanation of Symbols and Warnings

Explains signal words and symbols used in the manual.

Product Information

1.3 Product-Dependent Symbols

Lists symbols found on the product itself.

1.4 Special Stickers

Identifies special stickers applied to the product.

1.5 Product Information

Details product designation, serial number, and models.

1.6 Declaration of Conformity

States compliance with applicable directives and standards.

Safety Guidelines

2.1 General Safety Instructions

General safety points to be observed at all times during operation.

2.2 Personal Safety and Workplace

User safety, protective gear, and safe work environment guidelines.

2.3 Appliance Use and Care

Safe operation, maintenance, and handling procedures for the appliance.

Safety (Continued)

2.4 Electrical Safety

Precautions for safe use of electrical components and connections.

2.5 Workplace Safety

Ensuring a safe environment for operation, including lighting and hazards.

2.6 Material Handling Safety

Safe handling of materials picked up, including dust and liquids.

Product Description

3.1 Product Overview

Visual identification of appliance parts and features.

Intended Use and Items Supplied

3.2 Intended Use

Proper applications and limitations for the vacuum cleaner.

3.3 Possible Misuse

Identifies improper uses that are not permitted.

3.4 Items Supplied

Lists the components included with the vacuum cleaner.

Technical Data

4.1 Vacuum Cleaner Specifications

Physical dimensions, weight, capacity, and operating parameters.

4.2 Rated Voltage and Power

Electrical specifications, voltage, and power input details.

4.3 Flow Rate and Vacuum Data

Performance metrics for volumetric flow and vacuum pressure.

Operation and Setup

4.4 Noise and Vibration Information

Information on emission sound pressure and vibration levels.

5 Use of Extension Cords

Guidelines for selecting and using extension cords safely.

6 Before Use

Pre-operation checks, safety warnings, and initial appliance setup.

Operation

7 Operation

Instructions for operating the vacuum cleaner for various tasks.

7.1 Hose Diameter Setting

Adjusting the hose diameter setting on UM and UME models.

7.2 Operation without Electric Tool Power Outlet

How to operate the vacuum cleaner independently.

7.3 Operation with Appliance Power Outlet

Using the appliance's outlet for electric tools.

Specific Operations

7.4 Picking up Dry Dust

Procedures for safely picking up dry dust.

7.5 Picking up Liquids

Procedures for safely picking up liquids.

7.6 After Use of the Vacuum Cleaner

Steps to take after completing vacuum cleaner operation.

7.7 Emptying Waste Container

Procedures for emptying dry dust or liquids from the container.

Care and Maintenance

8.1 Care and Maintenance of the Appliance

General procedures for cleaning and maintaining the appliance.

8.2 Automatic Filter Cleaning

Information on the automatic filter cleaning system.

8.3 Changing the Filter Element

Steps for replacing the filter element.

8.4 Checking Container Level Monitoring

How to check the container level monitoring system.

Troubleshooting and Disposal

10.1 Troubleshooting Table

Common malfunctions and their solutions.

11 Disposal

Guidelines for environmentally sound disposal of the appliance.

12 Manufacturer's Warranty

Information regarding warranty conditions and support.

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