Operation8016−1/A2
Winterthur Gas & Diesel Ltd.
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5. Servo Oil Leakage System
The level switches (LS) monitor all important leakages in the servo oil system.
If there is a large quantity of leakage oil, the related alarm is activated. See the table
below:
Level switch
Location Monitored components
LS3444A Driving End Monitors fuel and oil leakage from the rail unit
LS3445A Free End
LS2055A Driving End Leakages from HP servo oil pipes
LS2076A Free End Leakages from hydraulic pipes and connecting
pipes
LS3477A Driving End Leakages from hydraulic pipes
5.1 HP Servo Oil Pipes − Leakage
If the level switch(7, Fig. 4) (LS2055A) activates an alarm, the leakage inspection
point on the HP servo oil pipes (1) lets you find the location of the leakage. You can
then do the applicable procedure (see paragraph 5.2).
5.2 Procedure
WARNING
Injury Hazard: Always use gloves and safety goggles when you
do work on hot components. Oil can come out as a spray when
you open the drain screws.
3
4
5
6
21
6
4
1
5
WCH01147
WCH01150
7
Fig. 4: Leakage Inspection Point − HP Servo Oil Pipes
1 HP servo oil pipe 5 Leakage oil pipe (HP servo oil pipes)
2 Flange 6 Servo oil pump
3 Drain screw 7 Level switch (LS2055A)
4 Connecting block
1) On the flange (2, Fig. 4) of the HP servo oil pipe (1), carefully loosen the drain
screw (3) a maximum of one turn.
2014
Lubricating Oil System 9-cylinders
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