FUEL DELIVERY PUMP AND FUEL FILTER
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 5B-15
Water Drain Valve Operation
The fuel filter can be drained of water and small dirt particles without removal of filter.
NOTE: To ensure complete draining, in warm weather open the water bleed valve before
starting daily operations. In cold weather, where there is a possibility that the condensed
water will freeze, drain the filter shortly after the end of daily operations.
1. Using a suitable container to catch contaminated fuel and/or water, open drain cap at
bottom of filter by turning the drain counterclockwise (as viewed from the bottom
of the
filter).
2. Drain until fuel is clear in appearance.
74726
a
b
c
a-Fuel Filter
b-Drain Cap
c-Expelled Fuel
3. Close the drain. Tighten securely.
4. Fill the fuel filter.
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