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18 Avoid overloading the ESS, it is provided with
circuit breakers for overload protection. When a
breaker has tripped, reduce the concerned load
before restarting.
19 Never remove the cover of the output terminals dur-
ing operation. Before connecting or disconnecting
wires, switch off the load and the circuit breakers,
stop the machine and make sure that the machine
cannot be started inadvertently or there is any resid-
ual voltage on the power circuit.
20 When operating the ESS in Remote or Auto mode,
observe all relevant local legislation.
1.5 Safety during maintenance
and repair
Maintenance, overhaul and repair work shall only be
carried out by adequately trained personnel; if required,
under supervision of someone qualified for the job.
1 Use only the correct tools for maintenance and
repair work, and only tools which are in good
condition.
2 Parts shall only be replaced by genuine Atlas Copco
replacement parts.
3 All maintenance work, other than routine attention,
shall only be undertaken when the unit is stopped.
Steps shall be taken to prevent inadvertent starting.
In addition, a warning sign bearing a legend such as
“work in progress; do not start” shall be attached to
the starting equipment.
On engine-driven units the battery shall be
disconnected and removed or the terminals covered
by insulating caps.
On electrically driven units the main switch shall be
locked in open position and the fuses shall be taken
out. A warning sign bearing a legend such as “work
in progress; do not supply voltage” shall be attached
to the fuse box or main switch.
4 Prior to stripping an engine or other machine or
undertaking major overhaul on it, prevent all
movable parts from rolling over or moving.
5 Make sure that no tools, loose parts or rags are left
in or on the machine. Never leave rags or loose
clothing near the engine air intake.
6 Never use flammable solvents for cleaning (fire-
risk).
7 Take safety precautions against toxic vapours of
cleaning liquids.
8 Never use machine parts as a climbing aid.
9 Observe scrupulous cleanliness during maintenance
and repair. Keep away dirt, cover the parts and
exposed openings with a clean cloth, paper or tape.
10 Do not remove any of, or tamper with, the sound-
damping material. Keep the material free of dirt and
liquids such as cleansing agents. If any sound-
damping material is damaged, replace it to prevent
the sound pressure level from increasing.
11 When performing any operation involving heat,
flames or sparks on a machine, the surrounding
components shall first be screened with non-
flammable material.
12 Never use a light source with open flame for
inspecting the interior of a machine.
13 Check the direction of rotation of electric motors
when starting up the machine initially and after any
alteration to the electrical connection(s) or switch
gear, to check that the oil pump and the fan function
properly.
14 Maintenance and repair work should be recorded in
an operator’s logbook for all machinery. Frequency
and nature of repairs can reveal unsafe conditions.
15 When hot parts have to be handled, e.g. shrink
fitting, special heat-resistant gloves shall be used
and, if required, other body protection shall be
applied.
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