Operation
8016−1/A2
Winterthur Gas & Diesel Ltd.
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2) Do a check for oil.
3) If oil flows from the leakage inspection point, do as follows:
a) On the servo oil pump (6) of the related HP servo oil pipe (1), use the pressure
controller to adjust the pressure to minimum.
Note: You can operate the engine until the defective HP servo oil pipe is
replaced.
5.3 Hydraulic Pipe − Leakage
If the level switches (29, Fig. 3) (LS2076A) or (30) (LS2077A) activate an alarm, there
is leakage from the hydraulic pipes, or the connection pipe.
The leakage inspection point on the hydraulic pipes (10) and the connecting pipe (8)
lets you find the location of the leakage. You can then do the applicable procedures
(see paragraphs 5.4 and 5.5).
Note: Do the procedure in paragraph 5.4 first.
5.4 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.
1) On the flange (3, Fig. 5) of the hydraulic pipe (1), carefully loosen the drain
screw (2) a maximum of one turn.
2) Do a check for oil.
3) If oil flows from the leakage inspection point, the related hydraulic pipe is
defective. For more data, see 0520−1 Operation with Exhaust Valve Control Unit
Cut Out.
4) If no oil flows from the drain screw (2), there is leakage from a connection pipe.
Do the procedure in paragraph 5.5.
1
2
4
3
6
5
5
7
3
1
4
WCH01148
WCH01149
Fig. 5: Leakage Inspection Point − Hydraulic Pipes
1 Hydraulic pipe 4.66 5 Exhaust valve control unit 4.10
2 Drain screw 6 Cover
3 Flange 7 Servo oil return pipe 4.63
4 Leakage pipe from hydraulic pipes
2014
Lubricating Oil System 9-cylinders
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