Transport And Storage; Troubleshooting Table - Hilti VC 20 Manual De Instrucciones Original

6. Check the seal at the vacuum cleaner top section and clean it with a cloth if necessary.
7. Fit the vacuum cleaner top section onto the waste material container and close the two catches.
8.5 Checks after cleaning and maintenance
1. After cleaning or carrying out maintenance, check that the vacuum cleaner is assembled correctly and
that it functions faultlessly.
2. Test each of the functions.
9

Transport and storage

9.1 Transport
Do not carry the appliance when it is full of waste material.
The appliance may not be lifted directly by crane.
▶ Remove the power conditioner (if applicable) or loose accessory tools from the holder.
▶ Empty the appliance before carrying it to another location.
▶ Do not tip the appliance or transport it lying on its side after using it to pick up liquids.
▶ Use the tapered adapter to connect both ends of the hose together conveniently for transport.
Applicable to UM and UME vacuum cleaners
DANGER
Risk of injury. Hazardous material that has been picked up may escape through the suction hose inlet socket.
▶ Close the hose inlet socket on a Class M vacuum cleaner with the cap provided before transportation
and when the appliance is not in use.
9.2 Storage
▶ Store the vacuum cleaner in a secure, dry place where it is inaccessible to unauthorized users.
10 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
10.1

Troubleshooting table

Malfunction
UM and UME vacuum
cleaners: Acoustic warning
signal (reduced suction
power)
Dust is blown out of the appli-
ance.
The appliance switches it-
self off or on inadvertently or
static electricity discharges
through the user.
28 English
Possible cause
The dust bag is full.
The filter element is clogged with
dirt or dust.
The suction hose or dust hood on
the electric tool is blocked.
The hose diameter setting is incor-
rect.
The filter element is not fitted cor-
rectly.
The filter element is damaged.
Electrostatic charge is not
conducted away – the
appliance is connected to an
unearthed/ungrounded power
outlet.
Action to be taken
▶ Change the dust bag.
▶ If the automatic filter cleaning
system is deactivated, activate
it and allow the vacuum cleaner
to run for 30 seconds.
▶ Clean the suction hose and the
dust hood.
▶ Set the hose diameter.
▶ For applications with a hollow
drill bit, select a hose diameter
of 15 mm.
▶ Fit the filter element again
correctly.
▶ Fit a new filter element.
▶ Connect the appliance to an
earthed/grounded power outlet
and use an antistatic suction
hose.
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