Check gauging system in panel
Check the connecting plug for loosening
Check the air switch for damage
Check the harness of air switch for dropout
No voltage (No electricity generated)
Have voltage
Check AVR secondary winding
for 3-4V voltage at swtiching on
Check AVR
Check connector of AVR sec-
ondary winding for loosening
Check AVR for output
Check AVR for
damage
Have no voltage
Check electric
machine
Check magnetic steel of rotor
for loss of magnetism, check
that the polarity of magnetic
steel is not reversed
Check rotor section
Check carbon brush of rotor
and collector for contact
Check rotor for open circuit
Check collector for short circuit
Check secondary winding
connector for loosening
Check stator section
Check that the connection of
quadbit line bank and gauging
panel is correct and is not lo-
osened
Check stator winding for open
circuit
Check stator winding for inte-
rturns short circuit
(2)Troubleshooting steps for no voltage
(Fig. Flow chart for diesel 2)
2.12.2 Flow Chart of Troubleshooting
(1)Troubleshooting steps for difficult starting of diesel engine set
(Fig. Flow chart for Diesel 1)
(
Circuit and battery section
Difficult starting of failure to start
Electric starting Recoil starting
Check the relay
of electric starter
for acting
Check the battery
for sufficient voltage
Check for 12V
when starting
switch at START
Check electric starter
spark plug test
Check the harness of
12V battery of electric
starter for 12V
Can recoil Can not recoil
Check flywheel
or hand disk
Check oil system
Oilway and fuel section
Check that there is oil in tank,
Check that the oil switch is on,
Check oil tank for clogging and
leakage
Check the inlet valve and outlet valve
in cylinder head cover for damage
Check the gasket of cylinder head
cover for damage and leakage
Check the oil piping for clogging,
bending, seizing, and air presence
Check carburetor solenoid valve in
carburetor system for intactness and
seizing, check oil and air piping for
clogging.
Check the fuel filter for clogging
Check the location and function of
main damper and throttle of carburctor
Check that the clearances between
piston, piston ring and cylinder sleeve
are not excessive, the liner is not seized
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