1
7
6.3
Mounting the hydraulic breaker on the excavatormechanical aspects
DANGER!
O
nly mount the hydraulic breaker on an e
x
ca
v
ator
with sufficient load capacity.
I
f the e
x
ca
v
ator is too
light it may become unstable and fall o
v
er.
During breaker mounting, the carrier should only be
operated from the dri
v
er’s cab.
Agree with the assistant on clear hand signals.
The assistant must be instructed by the e
x
ca
v
ator
dri
v
er.
Keep your hands away from bores and fitting surfa
ces when mounting the hydraulic breaker.
Do not touch any parts when the boom is mo
v
ing.
Ne
v
er use your fingers to check whether the bores
are flush.
To mount the hydraulic breaker, carefully lower the
stick of the boom into the adapter. An assistant di
rects the mo
v
ement of the stick until the bores in the
stick are flush with those in the adapter. Then insert
the stick pin and lock.
S
tick
Adapter
S
tick pin
Hydraulic breaker
L
ift up the hydraulic breaker.
E
x
tend the sho
v
el cylinder until the bore in the toggle is flush with those in the
adapter.
I
nsert toggle pin and lock.
S
tick
S
ho
v
el cylinder
Adapter
Toggle
Toggle pin
CAUTION!
After mounting the breaker, carefully e
x
tend and re
tract the sho
v
el cylinder to its full e
x
tent in each
case.
I
t is important that the cylinder can be fully e
x
tended and retracted without any difficult.
I
f problems
are encountered, please consult our Aftermarket de
partment.
