Yamaha EDL13000SDE Manuel D'utilisation page 55

a When it is Difficult to Start the Engine
Cause
*Check the fuel tank and fuel filter.
Remove water, dirt and other
impurities.
Fuel is thick and
*As all fuel will be filtered by the filter, if
doesn't flow.
there should be water or other foreign
matters on the filter, clean the filter
with kerosene or replace the filter.
*If air is in the fuel filter or
injection lines, the fuel pump will
not work properly. To attain
proper fuel injection pressure,
check carefully for loosened fuel
Air or water mixed
line coupling, cap nut and etc.
in fuel system.
*Loosen joint bolt atop fuel filter
and air vent screws of fuel
injection pump to eliminate all
the air in the fuel system.
*This is caused when water or dirt
is mixed in the fuel. Clean the
Thick carbon nozzle injection piece, being
careful not to damage the orifice.
deposits on orifice
*Check to see if nozzle is working
of injection nozzle.
properly or not. If not, install a
new nozzle.
*zEngine model:D1703-EBG,V2203-EBGx
Adjust valve clearance to 0.18 to
0.22 mm when the engine is
Valve clearance is
cold.
wrong.
zEngine model:V3300-EBGx
Adjust valve clearance to 0.23 to
0.27 mm when the engine is cold.
Leaking valves
*Grind valves.
*Adjust injection timing
*zEngine model:D1703-EBGx
The injection timing 15.5º before
top dead center.
zEngine model:V2203-EBGx
Fuel injection
The injection timing 17.0º before
timing is wrong.
top dead center.
zEngine model:V3300-EBGx
The injection timing 10.0º before
top dead center.
Engine oil becomes
*Change grade of oil according to
thick in cold
the weather (temperature).
weather and
engine cranks slow.
*Bad valve or excessive wear of
rings, pistons and liners cause
Low compression
insufficient compression.
Replace with new parts.
*Charge battery.
Battery is
*In winter, always remove battery
discharged and
from machine, charge fully and
the engine will not
keep indoors.
crank.
Install in machine at time of use.
TIP
NOTE:
¡ If the cause of trouble cannot be found, contact
YAMAHA
your local KUBOTA Dealer.
Countermeasures
TROUBLESHOOTING
a When Starter does not Start
Cause
*Recharge battery.
Battery discharges
too much
Load center cover *Close the load center cover and
or inspection door door.
are opened.
Defect of contact *Check wiring and repair.
point or shortage
of alternator L-
shaped coupler
Alternator defect *Replace.
*Replace.
Fuse blows.
37
Countermeasures