Atlas Copco CC 1700 U User Manual

TROUBLESHOOTING
Hydraulic demolition cutter does not work
ByRemedyCause
Carrier driverCheck and open shut-off valveShut-off valve in line A and/or B closed
WorkshopCheck coupling halves and replace defective coupling halvesDefective couplings blocking lines A and B
Carrier driverTop up oilOil level in tank too low
WorkshopCheck electrical system of hydraulic demolition cutter
installation and remedy defects
Faults in the electrical system of the
hydraulic demolition cutter installation
WorkshopCheck the rocker switch and replaceRocker switch defective
WorkshopReplace the magnetMagnet on switch-on valve damaged
Shearing capacity too low
ByRemedyCause
Carrier driverCheck 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
ByRemedyCause
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
ByRemedyCause
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
ByRemedyCause
Carrier driver or workshopCheck oil level and top up oilOil 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
TROUBLESHOOTINGCC 1700 U, 1700 S

Atlas Copco CC 1700 U Specifications

General

Brand	Atlas Copco
Model	CC 1700 U
Category	Industrial Equipment
Language	English