Hyundai HL970A Operator's Manual page 46

Collision or cutting
Never open or remove the engine hood while the machine
is in operation.
Two workers should perform the job while the engine is
running:
One worker should be ready to operate the machine or to
turn the engine off from the cabin.
Keep areas in the vicinity of rotating or moving parts clean.
Keep articles in the vicinity of the fan clean.
- Wear safety gloves when handling the wire cables.
- Wear protective goggles and protective clothes, if
required.
Preventing fire and explosion
All fuels and most lubrication oils and coolant mixtures
are inflammable materials, so special care should be
exercised when handling such materials to prevent fire and
explosion.
Oil that leaks on to a hot surface or electronic components
may cause a fire.
Keep all fuels and lubrication oils in adequate containers.
Do not smoke while refueling fuels, or at the refueling
point.
Do not smoke in a space where battery electrolyte and
other inflammable materials are handled.
Keep the electric connectors clean, and check the
connections for signs of loosening at regular intervals.
Do not weld or cut pipes or tubes through which inflammable
fluid flows.
Cautions on decoupling the attachments
Do not allow unauthorized workers to access the machine.
Place the operating machine in a safe position.
Install safety fences around the operating machine.
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