WinGD RT-flex50DF, Maintenance Manual, Page: 498 / 586

Maintenance
8460 − 1/A1
Winterthur Gas & Diesel Ltd.
2/ 5
1. Preparation
WARNING
Injury Hazard: The servo oil system has high pressure. Replace a
defective hydraulic pipe only when the engine has stopped.
WARNING
Injury Hazard: You must put on gloves and safety goggles when
you do work on hot components. When drain screws and plugs are
opened, servo oil can come out as a spray and cause injury.
1) Stop the engine (see the Operation Manual 4002-2).
2) Set to off the servo oil service pump.
3) Set to off the main bearing oil supply.
4) Make sure that there is no pressure in the servo oil system (refer to the data
given in the Operation Manual 0520-1, paragraph 2.3.
5) Put an oil tray under the drain screw (5,
Fig. 2 ).
6) Carefully loosen the screw plug (4).
7) Carefully loosen the drain screw (5) to
drain the oil from the servo oil system.
8) Put an oil tray under the applicable
hydraulic pipe (1).
9) Loosen the screws (7) on the flange (2)
to drain the applicable hydraulic
pipe (1) through the check bore (3) in
the housing of the exhaust valve
control unit (VCU) (6).
10) Tighten the screw plug (4).
11) Torque the drain screw (5) to 200 Nm.
Hydraulic Pipe: Removal, Grind, Installation
2016
WCH02976
Fig. 2
II - II
6
1
2
3
7
4 5