50-hour and 100-hour servicing and repairs are carried out in our workshop.
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After every flight
Cleaning: Remove grass, dirt and insect remains from the propeller and propeller guard.
Visual inspection: Check the entire frame for cracks, especially at the weld seams. Check all screws and rivets for tightness.
Propeller check: Carefully examine the propeller for hairline cracks, chips and damage. A damaged propeller is life-threatening and must be replaced immediately!
Guard: Check the stability and that all connections are secure.
Engine maintenance
This is the most complex part. The intervals depend on the operating hours.
After each landing (post-flight check)
Visual inspection:
Check for obvious damage, loose cables, cracks in the intake hose or exhaust.
Vibration check:
Feel whether all screws (especially the engine mounts) are tight. Vibrations can loosen them.
Fuel system:
Check for leaks in the tank, lines and carburettor.
Every 10-25 operating hours (weekly for intensive flight operation)
Spark plug:
Clean, check electrode gap (approx. 0.5-0.6 mm) and replace if necessary. A dry black plug indicates a good mixture, an oily black plug indicates too much oil.
Air filter:
Clean! foam filter. Wash with warm water and washing-up liquid, leave to dry and re-oil if necessary (if it is an oiled filter).
Fuel filter:
The small filter in the tank or in the line should be checked for deposits.
Carburettor:
If there is a loss of power or starting problems, synchronise the carburettor (on two-cylinder engines) and check the idle setting.
Cleaning: Remove grass, dirt and insect remains from the propeller and propeller guard.
Visual inspection: Check the entire frame for cracks, especially at the weld seams. Check all screws and rivets for tightness.
Propeller check: Carefully examine the propeller for hairline cracks, chips and damage. A damaged propeller is life-threatening and must be replaced immediately!
Guard: Check the stability and that all connections are secure.
Engine maintenance
This is the most complex part. The intervals depend on the operating hours.
After each landing (post-flight check)
Visual inspection:
Check for obvious damage, loose cables, cracks in the intake hose or exhaust.
Vibration check:
Feel whether all screws (especially the engine mounts) are tight. Vibrations can loosen them.
Fuel system:
Check for leaks in the tank, lines and carburettor.
Every 10-25 operating hours (weekly for intensive flight operation)
Spark plug:
Clean, check electrode gap (approx. 0.5-0.6 mm) and replace if necessary. A dry black plug indicates a good mixture, an oily black plug indicates too much oil.
Air filter:
Clean! foam filter. Wash with warm water and washing-up liquid, leave to dry and re-oil if necessary (if it is an oiled filter).
Fuel filter:
The small filter in the tank or in the line should be checked for deposits.
Carburettor:
If there is a loss of power or starting problems, synchronise the carburettor (on two-cylinder engines) and check the idle setting.
