en
Cylinder head gasket or ignitor plug gasket faulty
•
Clutch locked making the vibrator turn when trying to start
•
There is no fuel in the carburettor
Fuel tank empty
Fuel cock not open properly
Fuel filter blocked
Air vent in tank cover blocked
Air retained in pipe
Carburettor inlet valve stuck
Zero power:
- Insufficient power
•
Normal compression and no ignition failure observed
Faulty air filter
Carbon deposit in cylinder
Fuel level in carburettor incorrect
•
Insufficient compression
(See
“Deficient compression”
above)
•
Compression is correct but ignition is faulty
There is water in the fuel
The ignitor plug is soiled
Faulty ignition coil
Ignition coil often short-circuits
•
Vibrator full with excess oil
- Engine overheats
•
Carbon deposit in the fuel chamber or in relief port
•
Calorific value of ignitor plug incorrect
•
Cooling fins soiled
- Rotation speed fluctuates
•
Control setting incorrect
•
Control spring incorrect
•
Deficient fuel flow
•
Air enters intake manifold
Function of back motion starter faulty
- Rotating part stuck with dust
- Faulty helicoidal spring
DIESEL ENGINE (air-cooled)
Deficient start-up:
A.- Deficient compression
•
Zero compression
Faulty admission or exhaust valve
Incorrect adjustment of decompression system
•
There is hardly any compression or this is very low
Faulty contact of valve seating
Worn piston ring
Worn cylinder
VIBRATING PLATES
21
PEN10B-PEN13C-PEN16C-PEN16D
