♦
Secure the carrier such that it cannot move
unexpectedly.
♦
Prior to starting work, check cutter jaws, cutter
blade and tips of tooth for wear.
♦
Replace cutter blades and tips of tooth in good
time to prevent greater damage (see Chapter
Turning or changing cutter blades and Changing
tip of tooth
).
NOTICE
Damage to blade seat of cutter jaw
Working without cutter blades causes serious
damage to the blade seat on the cutter jaw.
►
Replace the missing cutter blades immediately
(see Chapter
Turning or changing cutter blades
).
NOTICE
Damage to tip of tooth holder and cutter
jaw
Working without tips of teeth causes serious damage
to the tip of tooth holder and the cutter jaws.
►
Replace the missing tips of teeth immediately (see
Chapter
Changing tips of tooth
).
Checking hydraulic lines
♦
Secure the carrier such that it cannot move
unexpectedly.
♦
Perform a visual inspection of all lines (pipes and
hoses) from the pump to the hydraulic attachment
and back to the tank, before starting work.
♦
Tighten loose bolted connections and hose clamps
to the torque required (see Chapter
Bolted
connections / tightening torques
).
♦
Replace damaged pipes and/or hoses.
Checking bolted connections
♦
Secure the carrier such that it cannot move
unexpectedly.
♦
Check all bolted connections regularly for tight fit
(see Chapter
Bolted connections / tightening
torques
).
♦
Tighten loose bolted connections and hose clamps
to the torque required (see Chapter
Bolted
connections / tightening torques
).
Checking the adapter plate
bolts for wear
♦
Carry out this visual check whenever the hydraulic
tool has been removed from the carrier.
♦
Check the adapter plate bolts for excessive wear
such as cracks, pitting or severe erosion.
♦
Rework or replace worn bolts.
Checking and cleaning the
hydraulic oil filter of the carrier
An oil filter must be integrated in the return circuit of
the hydraulic system. The maximum mesh width
allowed for the oil filter is 50 microns; it must have a
magnetic separator.
♦
Secure the carrier such that it cannot move
unexpectedly.
♦
Change the oil filter cartridge after the first 50
operating hours.
♦
Check the oil filter
every
500 operating hours and
replace it is necessary.
Turning or changing the cutter
blades
♦
Turn the cutter blade if the cutting edge is worn
and the contact face is undamaged.
♦
Change the cutter blade if the contact face is
damaged or if the cutter blade shows any other
damage.
♦
Use new, original fixing bolts when you attach new
cutter blades.
Removing the cutter blades
♦
Open the cutter jaws completely.
♦
Place the hydraulic demolition cutter horizontal on
the ground.
WARNING Parts of the body or whole bodies
may be sheared or crushed
Cutter jaws may close unexpectedly and shear or
crush parts of the body or whole bodies.
►
Ensure that there is nobody between the cutter
jaws.
47
© 2015 Construction Tools GmbH | No. 3390 5141 01 | 2015-11-16
Original instructions
MAINTENANCE
CC 1700 U, 1700 S