Instructions
© Construction Tools GmbH | 3390 5140 01 | 2020-09-15
Original Instructions
5
2.2 Qualification
As safety−relevant components, HP-accumulators are
subject to special safety regulations.
Prefilling HP-accumulators is only permitted if carried
out by professionals. Professionals are people who:
• are authorised to prefill HP-accumulators according
to the national regulations.
• know all the relevant national/regional safety provi-
sions and accident prevention rules,
• have read and understood this Prefilling instruction.
Prefilling piston accumulators is only permitted if car-
ried out by people who:
• know all the relevant national/regional safety provi-
sions and accident prevention rules,
• have read and understood this Prefilling instruction.
2.3 Protective equipment
Personal protective equipment must comply with the ap-
plicable health and safety regulations.
Always wear the following personal protective equip-
ment:
• safety glasses with side protectors
• protective gloves
• protective shoes
2.4 Safety precautions
DANGER Danger of suffocation
Increased concentration of nitrogen (N
2
) in breathable air
can cause shortness of breath. You can become immo-
bilized and unconscious.
u Do not breathe in concentrated nitrogen (N
2
).
u Effectively ventilate your workplace, if you prefill a
piston accumulator or HP-accumulator with concen-
trated nitrogen (N
2
).
DANGER Danger of explosions
The HP-accumulator and the piston accumulator of the
hydraulic breaker must be filled with nitrogen (N
2
). Filling
them with any other gas may trigger an explosion and
lead to serious, possibly fatal, injuries.
u Only prefill the HP-accumulator and the piston accu-
mulator with nitrogen (N
2
).
u Prefill the HP-accumulator and the piston accumula-
tor in accordance with the national safety provisions.
WARNING Component coming loose abruptly /
Risk of bursting
The HP-accumulator may still contain compressed nitro-
gen. Opening HP-accumulators by force might loosen
components unexpectedly and cause injuries.
u Opening HP-accumulators by force, e.g. by sawing
them open etc., is strictly forbidden.