Maintenance
7218−1/A1
Winterthur Gas & Diesel Ltd.
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1.2 Function Check
Visually examine the cylinder oil supply as follows:
1) If necessary, bleed the cylinder lubricating system (see paragraph 3).
2) Make sure that the applicable piston is in the TDC position.
3) Set to on the cylinder lubricating system for the applicable cylinder (see
paragraph 1.1). To manually release a lube pulse, see the procedure given in
paragraph 2.2.
4) Look through the scavenge air ports in the cylinder liner (1), while the lubricating
system operates (see Fig. 1).
5) Make sure that the lubricating oil is correctly injected on to the cylinder liner wall
(see Operation Manual, 7218-1, paragraph 6.2 and paragraph 6.3).
6) Make sure that the oil that flows has no air. If necessary, bleed:
D The flex lube pump (2), paragraph 3.1
D The oil pipes (10), paragraph 3.2.
2. Flex Lube Pump
For data about the flex lube pump (2), refer to the Operation Manual, 7218-1,
paragraph 4.
2.1 Checks
1) Examine the flex lube pump (2) for damage and leaks (see Fig. 1).
2) Do a function check of the cylinder lubricating system (see paragraph 1.2).
2.2 Manual Release − One Lube Pulse
During usual operation, the UNIC system controls the lubricating pulses. To manually
release a lube pulse (e.g. to do a function test), do the steps that follow:
1) Set to on the cylinder lubricating system (see paragraph 1.1).
2) Use a pin or a screw driver (6) to push in the plunger (5) of the 4/2-way valve (2)
(see Fig. 1).
2015
Cylinder Lubricating System
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