SWDM240B OPERATION & MAINTENANCE MANUAL
Don’t use such simple paper filter repeatedly.
5. Apply a layer of clean diesel oil on the seal surface of new filter.
FIG. 7-4-7 Apply diesel oil
6. Install new fuel filter. When seal ring contacts with the filter base, tighten up the
filter 3/4 circle. For a filter with turning mark, the space between marks is 1/4
circle.
7.4.3 Changing Oil-water Separator
1. Turn drain valve (1) anticlockwise, which is underneath the oil-water separator.
2. Discharge water and sediment into a suitable container.
3. Switch off the drain valve
（
1
）。
4. Remove filter （4）from the base，unscrew filter with a filter wrench.
5. Remove filter
（
4
）
from the water cup.
6. Clean the inner surface of filter base（3）and water cup（2）.
7. Remove cover from the bottom of the new filter and take out the seal from the cover.
8. Install the seal into the groove of water cup（2）.
9. Assemble water cup
（
2
）
to the new filter
（
4
）
and lock it .
10. Install filter （4）onto the base（3）and lock it.
11. After three filter elements have been replaced, open the exhaust bolt on the black main
filter element, press to discharge the air in the fuel pipelines.
12. Close platform parts cover and install side plate.
FIG. 8-4-8 Oil-water separator
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