Zero power:
Function of back motion starter faulty
DIESEL ENGINE (air-cooled)
Deficient start-up:
VIBRATING PLATES
- Insufficient power
Normal compression and no ignition failure observed
Faulty air filter
Carbon deposit in cylinder
Fuel level in carburettor incorrect
Insufficient compression
(See
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
- Rotating part stuck with dust
- Faulty helicoidal spring
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
Faulty adjustment surface of cylinder and cylinder head
Loose injection seat
B.- Fuel not injected correctly into combustion chamber
Insufficient or zero fuel flow
Air vent in tank lid blocked.
Fuel filter passage blocked and filter sieve blocked
Fuel filter cock closed
Air retained in pipe (especially when tank is empty)
above)
ZEN / ZEN-E
