Maintenance7218−1/A1
Winterthur Gas & Diesel Ltd.
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3. Cylinder Lubricating System − Bleed
Bleed the flex lube pump and oil pipes each time you do the maintenance on the
cylinder lubricating system.
3.1 Flex Lube Pump
To bleed the flex lube pump (2, Fig. 1), do the steps that follow:
Note: When you bleed the cylinder lubricating system, always start at the first
cylinder at the free end (nearest to the lubricating oil inlet).
You can bleed the flex lube pump (1) with the hydrostatic pressure in the
cylinder lubricating system.
1) If necessary, set to off the flex lube pump (2).
2) Loosen the vent screw (3).
3) Keep the vent screw (3) open until oil that flows has no air.
4) Tighten the vent screw (3).
5) Clean the external surface of the flex lube pump (2).
6) If necessary, bleed the oil pipes (10) (refer to paragraph 3.2).
7) Do a function check of the cylinder lubricating system (refer to paragraph 1.2).
3.2 Oil Pipes
To bleed the oil pipes (10), do the steps that follow:
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 (9) in position.
3) Loosen the nut (8) of the screw-in union (9) a maximum of two turns.
4) Keep the nut (8) of the screw-in union (9) open until oil that flows has no air.
5) Tighten the nut (8) of the screw-in union (9).
6) Clean the external surface of the lubricating quill (7).
7) If necessary, bleed the flex lube pump (2) (refer to paragraph 3.1).
8) Do a function check of the cylinder lubricating system (refer to paragraph 1.2).
2015
Cylinder Lubricating System
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