Operation4003−1/A1
Winterthur Gas & Diesel Ltd.
10/ 12
4.11 Fuel System
1) Start the fuel booster pump 3.15.
2) Make sure that the pressure retaining valve 3.53 is set to the correct pressure
(see 0250−1 Operating Data Sheet). The pressure upstream of the pressure
retaining valve is shown on the pressure gage PI3421L.
3) Make sure that the pressure downstream of the pressure retaining valve 3.53 is
correct (see 0250−1 Operating Data Sheet). The pressure downstream of the
pressure retaining valve is shown on the pressure gage PI3431L.
4) On the fuel pressure control valve 3.06, make sure that the knurled screw is fully
tightened to the bottom limit.
5) For 9-cylinder engines: Make sure that the stop valves 3.33−3, 3.33−4, 3.33−5
and 3.33−6 on the connecting pipe on the fuel rail 3.05 are open.
6) Remove the plug 3.39 and the plug on the stop valve 3.40 (between the servo oil
rail and fuel rail).
7) Connect the pipe (tool 94583) between the plug 3.39 and the stop valve 3.40.
8) Start the main bearing oil pump and the servo oil service pump 4.88.
9) Open the stop valve 3.40. The fuel rail must now be pressurized with
approximately 70 bar to 100 bar.
10) In the flexView, select Inj. venting to bleed the injection system (see 4002−3
paragraphs 1 and 1.1).
11) Push all EMERGENCY STOP buttons, to activate a shut-down.
The fuel pressure control valve 3.06 must open immediately, and the pressure in the
fuel rail 3.05 must decrease to 0 bar. You can see the pressure decrease on the
WECS−9520 manual control panel display (see 4618−1 paragraph 2).
12) Close the stop valve 3.40.
13) Release the pressure in the fuel rail 3.05.
14) Remove pipe (tool 94583) between the fuel rail 3.05 and the servo oil rail 4.11.
15) Install the plug 3.39 and the plug on the stop valve 3.40.
16) Set the EMERGENCY STOP button so that the system can operate again.
4.12 Starting System and Start Interlock
4.12.1 Start Interlock
1) Make sure that the shut-off valve for starting air 2.03 is closed and air is released
from the starting air supply pipe.
2) Make sure that the turning gear is engaged.
3) Loosen the pipe to the valve unit E at the connection E6. No air must come out of
the pipe.
4) Slowly disengage the turning gear. Make sure that only air comes from the pipe,
when the axial clearance between the flywheel teeth and the turning gear pinion
is more than 10 mm.
5) Do the check above each time you engage / disengage the turning gear.
6) Connect the pipe to the connection E6.
2017−08
Engine Control
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