Changing the tip of the tooth
Removing the tip of the tooth
♦
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.
♦
Perform work while outside the open cutter jaws,
not between them.
♦
Disconnect the hydraulic supply to the hydraulic
demolition cutter by shutting the shut-off valves of
the lines
»Open hydraulic demolition cutter«
(Connection
»A«
) and
»Close hydraulic
demolition cutter«
(Connection
»B«
) at the boom.
♦
Secure the carrier such that it cannot move
unexpectedly.
♦
Hold the hexagon head screw (D) with a box
spanner to stop it turning.
♦
Loosen the hexagon nut (A) with socket wrench
and ratchet.
♦
Remove the hexagon head screw (D).
♦
Have any deformed hexagon nuts (A) brazed off
by a qualified welder.
WARNING Metal chips shooting off
The tips of the tooth are made of hardened steel.
When removing the tips of the tooth with a hammer,
chips may shoot off and cause serious eye injuries.
►
Wear safety glasses when hammering out the tips
of the tooth.
♦
Hammer the tip of the tooth (B) out of the guide
(C).
B
A
D
E
C
Checking tip of tooth guide
The guide (C) of the tip of the tooth (B) may not be
knocked out or damaged. The fixing screw (D) may
break and the tip of the tooth may fall out (B).
♦
Have a damaged tip of tooth guide (C) welded by
a qualified welder and then returned to its original
form using mechanical finishing.
Fitting tip of tooth
If the inspection of the tip of tooth guide (C) does not
show any defects or if it has been reworked, fitting
of the tip of tooth (B) can begin.
♦
Clean the tip of tooth guide (C).
♦
Place the tip of tooth (B) at the guide (C) on the
cutter jaw (E).
♦
Hammer the tip of tooth (B) in until the drilled holes
for the hexagon head screw (D) are flush.
♦
Push the hexagon head screw (D) through the
free drilled hole.
♦
Screw the hexagon nut (A) on.
♦
Hold the hexagon screw (D) with a box spanner
to stop it turning.
♦
Tighten the hexagon nut (A) with the torque
required (see chapter
Bolt connections/Tightening
torques
).
The hydraulic demolition cutter must be placed on
the other side to change the second tip of tooth
(double cutter jaw).
49
© 2015 Construction Tools GmbH | No. 3390 5141 01 | 2015-11-16
Original instructions
MAINTENANCE
CC 1700 U, 1700 S
