© by WilTec Wildanger Technik GmbH Item 92670 Page 7
http://www.wiltec.de 11 2023-1
Maintenance
Proper maintenance of the petrol engine is of great importance for safety, lower fuel consumption, and
smooth operation. It also helps to reduce pollution. You should therefore carry out maintenance on your
petrol engine as carefully as possible. On the following pages, you will find detailed maintenance sched-
ules, regular inspection procedures, and simple maintenance work that can be carried out using ordinary
hand tools. If further professional or complex maintenance work is required, we recommend that you
contact a specialist.
The maintenance schedule covers the regular operation of the petrol engine. If you use the motor in
harsh conditions, e.g., under constant load, at high temperatures, or in a particularly damp or dusty
environment, please contact a specialist to obtain maintenance recommendations for your individual
application.
Please only use original parts for your petrol engine. The use of inferior spare parts can cause damage
to the petrol engine, and this damage cannot be covered by the warranty.
Warning!
Improper maintenance or operation without correcting existing faults can lead to more serious faults or
even serious injury or death. — Please adhere strictly to the inspection and maintenance instructions
and the maintenance schedule in these operating instructions.
Safety precautions
Below, you will find some very important safety instructions. We cannot list all the hazards that can occur
during maintenance. You must decide for yourself if you are qualified to carry out repair work.
Warning! Failure to observe the maintenance instructions and warnings can result in serious injury
or even death. Please be sure to follow the steps and safety instructions in these operating instructions.
Safety instructions
1. The petrol engine must be switched off before any maintenance or repair work is carried out in
order to minimise safety hazards. The following measures should be observed:
• Good ventilation of the workplace is necessary to prevent carbon monoxide poisoning from
exhaust fumes.
• The petrol engine and the exhaust system must cool down before touching them to prevent
burns from hot parts.
• Injuries caused by moving parts should be avoided.
• Do not touch the running petrol engine unless expressly stated otherwise.
2. Read the instructions before commissioning to ensure that you have complete information and
knowledge.
3. Be extremely careful to reduce the risk of fire or explosion when petrol is near the engine. Use
flame-retardant solvents to clean the parts and avoid using petrol. All components coming into
contact with petrol must be kept away from cigarette butts, sparks, and naked flames.
Please note that a specialist is more familiar with your petrol engine and has the necessary equipment
for maintenance and repair. To ensure the best quality, safety, and reliability, only new and original Lifan
parts may be used for repairs or replacements.
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