Operation
8016−1/A1
Winterthur Gas & Diesel Ltd.
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Lubricating Oil System
1. General 1..........................................................
2. Lubricating Oil System 1............................................
2.1 Dirty Oil Samples 2...........................................
3. Servo Oil System 4.................................................
3.1 Servo Oil 4...................................................
4. Servo Oil Leakage 6................................................
4.1 Leakage and Oil Drains 6......................................
4.2 Leakage Inspection Points 7...................................
5. Servo Oil Rail 9.....................................................
5.1 Pressurization 9..............................................
5.2 Pressure Release 9...........................................
1. General
The oil pump supplies the necessary pressure to control and lubricate the engine (this
does not include cylinder lubrication). For data about the pressure values, see
Operating Data Sheet 0250−1.
The oil supply to the different lubricating points is shown in the schematic diagrams
Fig. 2 and Fig. 3.
The locations of the pumps, filters, heat exchangers, etc is shown on the plant
diagram which is supplied separately from the engine documentation.
For data about the cylinder lubrication, see 7218−1 Cylinder Lubrication.
2. Lubricating Oil System
The oil flows from the inlet pipe (5, Fig. 2) on the driving end to the supply pipes (7)
and (8), through bores in the bearing girders to lubricate the main bearings (20).
Oil flows through the supply pipe (25), through the toggle levers (11) to lubricate the
crosshead pins (14) and bottom end bearings (26). From the crosshead pins (14), the
oil flows up the piston rods to keep the pistons cool (for more data about the piston,
see Piston 3403−1).
The oil also lubricates and keeps cool the axial damper (19) and the vibration
damper (18).
Oil from the supply pipe (9) flows to the nozzles (13) in the thrust bearing (21).
Oil flows from the inlet pipe (5) through the supply pipe (2) to the turbochargers. The
oil returns through the outlet pipe (1) to the oil system (plant).
You use the ball valves (15) and (16) to get dirty oil samples from the piston
underside (see also 0750−1, paragraph 3.2).
Note: During operation, the ball valves (16) are open and the ball valves (15) are
closed.
2015-03
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