Maintenance Section
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Draining the Water from the Fuel Filter
DB33A Diesel Engine
1. Check "Diesel Engine Water in fuel filter
indicator light" in instrument panel. Refer to,
"Diesel Engine Water in Fuel Filter Indicator
Light" in Operator's Station and Monitoring
Systems section.
2. Turn the wing nut (1) counter clockwise more
than two turns. The wing nut (1) is located near
fuel's inlet side. Some times later, "w" marking
will be added as illustrated in Top View below.
3. Turn the wing nut (2) counter clockwise more
than six turns to open the drain valve on the
bottom of the fuel filter.
4. Drain some fuel (and any water) until the clean
fuel flows out from the filter
B3.3 Diesel Engine
1. Check "Diesel Engine Water in fuel filter
indicator light" in instrument panel. Refer to,
"Diesel Engine Water in Fuel Filter Indicator
Light" in Operator's Station and Monitoring
Systems section.
2. Turn the wing nut counter clockwise more than
six turns to open the drain valve on the bottom
of the fuel filter.
3. Drain some fuel (and any water) until the clean
fuel flows out from the filter.
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