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1. Safety Instructions
The guidelines in this manual have to be added to the valid local legal
requirements and technical standards. They do not replace any stan-
dards or additional (also legal) regulations, which were adopted as
safety measures.
1.1. Equipment
Always wear tight-fitting clothes during maintenance and make sure
their ends are closed with elastic bands.
When working on the device always wear safety shoes, gloves, a hel-
met and hearing protection in accordance with the applicable regulati-
ons to avoid accidents at work.
Make sure that a first aid kit and a working fire extinguisher are close
by before starting to work on the device.
1.2. Risks from noise development
The operating noise of the motor can cause damage to your hearing.
Do not linger around a running engine and always wear ear protection.
The engine must never be operated without a muffler.
Make sure that all legal regulations relating to the local noise level are
obeyed before starting up the device.
1.3. Risks posed by moving parts
Never perform work on moving parts.
The engine must never be put into operation when the protective co-
vers are open or loose.
Never approach the machine in operation wearing ties, scarves, bra-
celets etc. These could get caught on moving parts and cause serious
injuries.
1.4. Risks posed by gas emissions
To avoid the risks posed by dangerous gases:
Make sure that the location of the unit is well ventilated (in emergenci-
es using a forced ventilation system)
Avoid inhaling dangerous gases (by wearing breathing protection)
Verify that there are no hazardous gases present at the installation site.
1.5. Risks posed by fuel
It is necessary to shut down the engine during refuelling. Let the device
cool down for at least 5 minutes before refuelling.
Do not smoke in close proximity to the device, keep it away from fire
and ignition sources. Gasoline is flammable and poisonous! Moreo-
ver, lead acid batteries develop explosive gases when charging and
discharging.
Never spill fuel onto the engine or the muffler when refuelling.
Never put the engine in operation when there are apparent leaks in the
lines supplying oil or gasoline.
Never spill gasoline or oil. Do not inhale fumes, do not swallow and
avoid skin contact. After swallowing any amount of gasoline or oil, im-
mediate medical attention is required! Do not attempt to vomit after
swallowing!
Should fuel spill over your skin or clothes immediately rinse with soap
and water, and change your clothes.
Allways keep the floor on the site of the device clean – spilt oil or
gasoline should be removed as soon as possible.
When using an additional external tank make sure it is installed and
connected in accordance with the valid standards and regulations.
1.6. Risks posed by high temperatures
The engine must only be used in places where no untrained people,
passers-by or children are at risk.
Children are not allowed to stay in close proximity to the engine.
Never store combustible or flammable substances (gasoline, oil, paper,
wood chips etc.) in the vicinity of the device.
Note that gasoline, oil, engine and exhaust pipe are hot after operation
– avoid skin contact – there is a risk of burning or scalding.
Always keep a minimum safety distance of 1 meter to walls or similar
structures to avoid overheating the engine.
Never cover the engine during operation – there is a risk of overhe-
ating!
1.7. Risks posed by exhaust gas
The engine must not be used in poorly ventilated areas (such as en-
closed spaces, tunnels, containers), unless those installations were
expressly approved by ROTEK.
Exhaust gases are toxic. They can cause loss of consciousness or even
death. When using the device in closed or partially closed spaces,
make sure that the exhaust gases are led outside by means of a leak-
free line. Regard the maximum permitted exhaust back pressure in or-
der to prevent the motor from overheating. Make sure that the exhaust
adaption (muffler, pipe) is free from combustible materials and that the
escaping gases do not pose a threat. Observe the pertinent standards
and regulations at all times.
1.8. Maintenance intervals
If the mandatory maintenance intervals were not complied with it is
forbidden to start the engine – vapours of unspent fuel (developed by
incorrectly adjusted valves for example) are explosive!
Never start the engine without an air filter – the engine could be da-
maged.
Only original spare parts may be used in the course of maintenance.
The only exception are standardised parts (such as ball bearing,
screws, nuts, etc.) which match the specifics of the original part.
1.9. Disposal of toxic waste
The incorrect disposal of toxic waste poses a threat to the environment
and is prohibited by law. Hazardous wastes include: lubricants, fuels,
filters and batteries.
Collect poisonous liquids in suitable sealed containers.
