WinGD RT-flex50DF, Maintenance Manual, Page: 484 / 586

Maintenance
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Winterthur Gas & Diesel Ltd.
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3. Cylinder Lubricating System − Bleed
Bleed the cylinder lubricating pump (10, Fig. 1 ) and the oil pipes each time you do
maintenance on the cylinder lubrication system.
3.1 Cylinder Lubricating Pump
Note: When you bleed the cylinder lubrication system, always start at the first
cylinder at the free end. The hydrostatic pressure in the cylinder
lubricating system helps you to bleed the cylinder lubricating pump (10).
To bleed the cylinder lubricating pump (10), do step 1 ) to step 7 ):
1) Make sure that the cylinder lubricating pump (10) is set to off.
2) Loosen the vent screw (9).
3) Keep the vent screw (9) open until oil that flows has no air.
4) Tighten the vent screw (9)
5) Clean the external surface of the cylinder lubricating pump (10).
6) If necessary, bleed the oil pipes (2) (to the lubricating quills), refer to
paragraph 3.2.
7) Do a function check of the cylinder lubrication system, refer to paragraph 1.2 .
3.2 Oil Pipes
To bleed the oil pipes 2, do step 1 ) to step 8 ) below:
1) Set to on the cylinder lubricating system, refer to paragraph 1.1 .
2) Use an open-ended spanner to hold the screw-in union (4) in position.
3) Loosen the nut (5) of the screw-in union (4) a maximum of two turns.
4) Keep the nut (5) of the screw-in union (4) open until oil that flows has no air.
5) Tighten the nut (5) of the screw-in union (4).
6) Clean the external surface of the lubricating quill.
7) If necessary, bleed the cylinder lubricating pump (10), refer to paragraph
3.1 .
8) Do a function check of the cylinder lubricating system, refer to paragraph 1.2 .
2016
Cylinder Lubricating System