Operation
0750−1/A1
Winterthur Gas & Diesel Ltd.
1/ 18
Lubricating Oils
1. General 1..........................................................
2. System Oil 1.......................................................
2.1 Oil Care 2....................................................
2.2 Limits for Selected System Oil Parameters 2....................
2.3 Particle Size and Count 4......................................
2.4 Oil Samples 8.................................................
3. Cylinder Lubricating Oil 9...........................................
3.1 Fuel Sulphur Content and Cylinder Lubricating Oil Base Number 9
3.2 Oil Samples − Piston Underside Drain or Scrape-down 12.........
3.3 General Recommendations 14..................................
3.4 Intermediate BN Lubricating Oils 14.............................
4. Turbocharger Oil 15..................................................
5. Turning Gear Oil 15..................................................
6. Lubricants − Flywheel and Pinion Gear Teeth 15.......................
7. Environmentally Acceptable Lubricants 15............................
8. Validated Lubricating Oils 16.........................................
8.1 Lubricating Oil Instruction and Liability 16.......................
8.2 Cylinder Lubricating Oils 16....................................
8.3 System Oils 19.................................................
8.4 Lubricants − Flywheel and Pinion Gear Teeth 19.................
1. General
The engine has different oils for system oil and cylinder lubrication.
2. System Oil
System oil lubricates the bearings, the running parts of the engine and the crosshead
assembly. System oil is also used as hydraulic fluid in the servo oil system of the
engine and used to cool the pistons (see 8016−1 Lubricating oil system).
The system oil must have the properties that follow:
D An additive-type crankcase oil of the SAE 30 viscosity grade must be used as
system oil.
D The oil must have a minimum base number (BN) of 5.0 mg KOH/g and detergent
properties.
D The oil must have the load carrying performance from the FZG gear machine test
method A/8.3/90 in accordance with ISO 14635−1, failure load stage 11 as a
minimum.
D The oil must also have good thermal stability, anti-corrosion and anti-foam
properties, and good demulsifying performance.
Note: Validated system oils for WinGD 2-stroke engines are shown in paragraph
8.2. For different or new lubricating oils, speak to or send a message to
WinGD.
2017−08
Operating Media
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