Operation
7218−3/A1
Winterthur Gas & Diesel Ltd.
1/ 5
Feed Rate − Adjustment
1. General 1..........................................................
2. Feed Rate Adjustment 2.............................................
3. Running-in New Cylinder Liners and Piston Rings 5..................
1. General
To set the applicable cylinder lubricating oil feed rate, it is very important to monitor
the piston running performance of the engine. The procedures that follow are
necessary:
D Use an on-board monitoring programme to monitor the piston underside (PU)
drain oil. Make an analysis of the Fe content, Cr content and the residual base
number (BN) from the PU drain oil. For more data, refer to 0750−1 Lubricating
Oils, paragraph 3.2.
D At regular intervals, visually examine the PU.
D Make an analysis of the fuel quality. If possible, send a sample of the fuel to a
laboratory to make an analysis of the effective sulfur content. Do the analysis
before you use the fuel for the first time. For more data, refer to 0710−1 Diesel
Engine Fuels.
Note: Engines with the same design can have different piston running
performances (because of different operation modes, the properties of
the used cylinder lubricating oil, or engine tuning). The most important
problem is cold corrosion, which causes the piston running components
to become quickly worn.
To find an applicable cylinder lubricating oil, refer to the data given in 0750−1
Lubricating Oils, paragraph 3 and paragraph 8.2.
For more data about cold corrosion, refer to 0750−1 Lubricating Oils, paragraph 3.2
and paragraph 3.3.
2017−08
Feed Rate − Adjustment
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