Instruction Manual
2954 2510 03 15
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 Before dismantling any pressurized component, the compressor or equipment shall be effectively
isolated from all sources of pressure and the entire system shall be relieved of pressure. Do not
rely on non-return valves (check valves) to isolate pressure systems. In addition, a warning sign
bearing a legend such as ”work in progress; do not open” shall be attached to each of the outlet
valves.
5 Prior to stripping an engine or other machine or undertaking major overhaul on it, prevent all
movable parts from rolling over or moving.
6 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.
7 Never use flammable solvents for cleaning (fire-risk).
8 Take safety precautions against toxic vapours of cleaning liquids.
9 Never use machine parts as a climbing aid.
10 Observe scrupulous cleanliness during maintenance and repair. Keep away dirt, cover the parts
and exposed openings with a clean cloth, paper or tape.
11 Never weld on or perform any operation involving heat near the fuel or oil systems. Fuel and oil
tanks must be completely purged, e.g. by steam-cleaning, before carrying out such operations.
Never weld on, or in any way modify, pressure vessels. Disconnect the alternator cables during
arc welding on the unit.
12 Support the towbar and the axle(s) securely if working underneath the unit or when removing a
wheel. Do not rely on jacks.
13 Do not remove any of, or tamper with, the sound-damping material. Keep the material free of
dirt and liquids such as fuel, oil and cleansing agents. If any sound-damping material is
damaged, replace it to prevent the sound pressure level from increasing.
14 Use only lubricating oils and greases recommended or approved by Atlas Copco or the machine
manufacturer. Ascertain that the selected lubricants comply with all applicable safety
regulations, especially with regard to explosion or fire-risk and the possibility of decomposition
or generation of hazardous gases. Never mix synthetic with mineral oil.
15 Protect the engine, alternator, air intake filter, electrical and regulating components, etc., to
prevent moisture ingress, e.g. when steam-cleaning.
16 When performing any operation involving heat, flames or sparks on a machine, the surrounding
components shall first be screened with non-flammable material.
17 Never use a light source with open flame for inspecting the interior of a machine.
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