Problems And Causes; Environmental Notices - Berner 413159 Notice D'utilisation

4. Problems and causes

Symptom
Device loses power or does not work
Reduced torque
Striking mechanism of device
is not working
The device starts up on its own when
the air supply is connected
Water escapes from the air outlet of
the device

5. Environmental notices

Never dispose of the device with normal household waste. Dispose of the device using an authorised waste
disposal company or your local waste disposal authorities.
Pay attention to the current regulations. In case of doubt, contact your waste disposal authorities. Ensure
that all packaging materials are disposed of in an environmentally friendly manner.
Possible cause
1. Dirt in the motor
2. Not enough air pressure
3. Motor not oiled or rusty due
to lack of oil
4. Device has not been oiled
5. Worn bearings
1. Not enough lubrication
2. Pressure reducing valve incorrectly set
3. Not enough air pressure in the system
4. Striking mechanism worn
Striking mechanism is faulty
Extractor unit:
1. Valve is stuck
2. Rust in the tool balancer
3. Spring faulty or rusty
1. Water in the pressure tank of the
compressor
2. Water in the air hoses
Solution
1a. Oil the device with special air tool
oil and use this to clean the air tool
motor
1b. Open the device and clean it
2. Check the compressor and air hoses,
and the setting on the pressure
reducing valve
3. Oil the device as per the instructions
4. Oil the device as per the instructions
5. Replace the bearings
1. Lubricate the striking mechanism
2. Correctly set the pressure reducing
valve
3. Check the compressed air system
4. Replace the striking mechanism
Replace the striking mechanism
Replace the extractor unit
1 Drain the pressure tank of the
compressor.
Oil the device and allow to run briefly
2a. Install a water separator
2b. Install an air drier
3c. Oil the device and allow to run briefly
EN