FUEL/WATER SEPARATOR OPERATION TESTS
1. Test manual drain valve (12) operation.
a. Place suitable metal container under manual drain valve (12) outlet, open valve and allow
fuel to empty into container.
b. If fuel does not drain, check drain valve and lines for obstructions. Remove obstructions
or repair damaged drain lines or drain valve (WP 0084). Repeat "Test Manual Drain Valve
c. When fuel empties, go to step 2.
WP 0042 00-3