Operation
0810
−
1/A1
Winterthur Gas & Diesel Ltd.
Problem
Possible Cause
Procedure
The engine turns on starting
air but gets no fuel
(continued).
The fuel booster pressure is not sufficient.
Pressure retaining valve is set too low. Booster
pump does not release.
Adjust the fuel booster
pressure.
The shut-off valves upstream of the engine are
closed.
Open the shut-off valves.
No ignition during engine
start.
The injected fuel quantity is too small. The
speed setting is too low.
Adjust the speed setting.
The fuel is not correct or its viscosity is too
high.
Prepare the fuel system (see
).
The starting air pressure is not sufficient to
turn the engine with sufficient speed.
Fill the air bottles.
The auxiliary blower or air flaps in the
scavenge air receiver are defective.
Do an overhaul, or replace
the auxiliary blower / air flaps.
The compression pressures are too low. The
piston rings are in an unsatisfactory condition.
The exhaust valves do not close correctly.
Replace the piston rings.
Grind the surfaces of the
valve head and valve seat
(see the Maintenance
Manual).
The high pressure circuit has a leak (fuel
pump, HP pipe, fuel rail, injection control unit).
Find the cause and repair the
leak with the servo oil service
pump in operation. Connect
the pipe (tool 94583) between
the fuel rail and servo oil rail.
A cylinder does not fire or
does not fire correctly when
starting.
The WECS
−
9520 cuts out the injection control
unit (function).
Set to on the injection in the
remote control (user parame-
ter ’Inj. RUN’).
Injection control unit cut out.
Cut in the injection control
unit, see
The pipe connections on injection control unit
have leaks.
Tighten correctly. Grind the
sealing faces.
The solenoid valve(s) ZV7201C (to ZV7208F)
is / are defective.
Replace the defective
solenoid valve(s).
No electrical signal to the solenoid valve(s)
ZV7201C (to ZV7208F).
Do a check of the cables. Do
a check of the LEDs on the
FCM
−
20. If necessary replace
the FCM
−
20.
Exhaust valve has a malfunction. No electrical
signal to the solenoid valve(s) ZV7201A/B (to
ZV7208A/B).
Do a check of the cables. Do
a check of the LEDs on the
FCM
−
20, if necessary replace
the FCM
−
20.
The injection nozzles have leaks. The needles
cannot move.
Replace the injection nozzles.
A hole in the injection nozzle is blocked.
Replace the nozzle tip.
Compression pressure in the cylinder is not
sufficient to ignite the fuel.
Replace the piston rings.
Grind the seating faces of the
valve head and valve seat.
The exhaust valve spindle cannot move.
Replace the defective parts.
2014
Problems during Engine Start and Stop
Summary of Contents for W-X82
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Page 337: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 3 21 WCH00345 2014 Air Supply...
Page 340: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 6 21 WCH01167 2014 Servo Oil Supply 9 cylinders...
Page 342: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 8 21 WCH01123 2014 Fuel Supply 9 cylinders...
Page 343: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 9 21 016 805 08 2014 Starting System...
Page 344: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 10 21 016 335 07 2014 Speed Control...
Page 354: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 20 21 018 138 09 2014 Cooling Water...
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