The Light Weight Engine Houtekietstraat 11
B-8540 Deerlijk, Belgium
EFFECTIVITY page 4
ALL 19-3-2019
Loss of Cooling liquid 27
Oil Supply 28
Throttle adjustments. 29
Fuel Supply 30
Important Information fuels and lubricants : 31
Water Pump 32
Power Supply 33
Control and function test of the power supply 33
Spark plugs 34
Performance Curve of the LF39 Engine 36
Periodic inspections 37
First 25 & 50-hour-inspection 37
100-hour-inspection or annually 37
200-hour-inspection 38
Preservation of the engine for long term storage 38
Winter operation 38
TROUBLE SHOOTING 39
Engine does not fire 39
Warm engine shows irregular idling 39
Engine runs erratic or misfires occasionally 40
Engine overheats, Oil temperature over 100 Deg.C (212 deg.F) 40
The engine does not develop full power 41
Low oil pressure 41
The engine does not stop immediately 41
Excessive oil consumption 42
Engine « knocks » 42
Engine hard to start at low temperatures 42
OVERHAULS 43
Major inspections at TBO 43
Major repairs and major modifications 43
Water and Oil 44
Blank Page (intentional) 50
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