Safety and operating instructions
36 © Construction Tools GmbH | 33905146 01 | 2019-09-05
Original Instructions
In summer and in tropical climates, the minimum re-
quirement is a hydraulic oil of type HLP68.
6.5.5 Low ambient temperature
Ambient temperature below 0°C(32°F):
NOTICE The working tool may break
There is an increased risk of the working tool breaking if
it has not been stored in frostfree conditions.
u Store the working tool in a frostfree environment for
one day before installing it. or
u Heat up the working tool for several hours, e.g. with
a heating blanket, until it has warmed up thoroughly.
Additional instructions when working at an ambient
temperature of below -20°C(-4°F):
You must heat up the hydraulic attachment and the car-
rier when working at ambient temperatures of below
-20°C(-4°F). Preferably park the carrier and the hy-
draulic attachment in a heated, sheltered space while
not in use.
NOTICE Hydraulic oil too cold
Operating the hydraulic breaker while the hydraulic oil is
still cold will damage the seals of the hydraulic breaker
and the diaphragm in the HP-accumulator.
u Do not operate the hydraulic breaker until the tem-
perature of the hydraulic oil is at least 0°C(32°F).
n
Start the carrier as instructed by the carrier manufac-
turer.
n
Let the carrier heat up until the operating temperature
prescribed by the carrier manufacturer has been
reached.
NOTICE Damage to hydraulic parts
If a hydraulic breaker which has not reached operating
temperature is operated with hot hydraulic oil this will
lead to tensions and the hydraulic breaker will stop work-
ing.
u Do not fill the hydraulic system with hot hydraulic oil.
NOTICE Damage due to idling strokes
If the percussion piston carries out a hammer action
without hitting the working tool, it is carrying out an idling
stroke. If this happens it will lead to hydraulic peak pres-
sures which may damage the seals of the hydraulic
breaker and the carrier.
u Do not allow the percussion piston to carry out idling
strokes for a prolonged period of time.
The temperature of the hydraulic oil of the carrier must
be at least 0°C(32°F).
n
Start the hydraulic attachment when the temperature
has risen to 0°C(32°F).
n
During operations, leave the carrier engine and
pumps running even during breaks.
6.6 Prohibited operation
6.6.1 Lifting/Transporting
WARNING Falling load
The lifted object can fall and cause serious injuries or
death.
u Never lift or transport loads with the hydraulic attach-
ment.
The hydraulic attachment was not constructed to lift or
transport loads. The hydraulic attachment will be dam-
aged by such use.
6.6.2 Impacting
n
Do not use the hydraulic breaker as a sledge ham-
mer to demolish the material.
This will damage the hydraulic breaker, the working
tool and the carrier.
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