TROUBLESHOOTING
Hydraulic demolition cutter does not work
By
Remedy
Cause
Carrier driver
Check and open shut-off valve
Shut-off valve in line
A
and/or
B
closed
Workshop
Check coupling halves and replace defective coupling halves
Defective couplings blocking lines
A
and
B
Carrier driver
Top up oil
Oil level in tank too low
Workshop
Check electrical system of hydraulic demolition cutter
installation and remedy defects
Faults in the electrical system of the
hydraulic demolition cutter installation
Workshop
Check the rocker switch and replace
Rocker switch defective
Workshop
Replace the magnet
Magnet on switch-on valve damaged
Shearing capacity too low
By
Remedy
Cause
Carrier driver
Check connection of lines
A
and
B
and connect lines
A
and
B
correctly (see chapter
Hydraulic connection
)
Lines
A
and
B
swapped
Only different pressure settings of lines
A
and
B
of existing installation permit
hydraulic hammer operation.
Atlas Copco Customer
Center/Dealer in your area
Check pump output and pressure relief valve and correct
operating pressure
Operating pressure too low
Hydraulic demolition cutter does not cut
By
Remedy
Cause
Workshop
Check blades and turn or replace (see chapter
Turning or
changing cutter blades
)
Blades worn or broken
Workshop
Check blade clearance and re-adjust (see chapter
Checking
and correcting the blade clearance
)
Excessive blade clearance
The hydraulic demolition cutter cannot be rotated
By
Remedy
Cause
Atlas Copco Customer
Center/Dealer in your area
Check rotation motor/gear unit/rotary transmission and
replace defective parts
Rotation motor/gear unit/rotary transmission
defective
Operating temperature too high
By
Remedy
Cause
Carrier driver or workshop
Check oil level and top up oil
Oil level in tank too low
Atlas Copco Customer
Center/Dealer in your area
Check and correct motor speed of carrier
Drive the pump
Carrier pump delivery too high; a constant
volume of oil is squirted out of the pressure
relief valve
Workshop or Atlas Copco
Customer Center/Dealer in
your area
Fit new type-tested pressure relief cartridges or a more
precise pressure-limiting valve
Pressure relief valve defective or valve with
poor characteristics
53
© 2015 Construction Tools GmbH | No. 3390 5141 01 | 2015-11-16
Original instructions
TROUBLESHOOTING
CC 1700 U, 1700 S
