FUEL-WATER SEPARATOR OPERATIONAL TESTS (2D ENGINE) (Sheet 8 of 11)
SEQUENTIAL DRAIN TEST:
Using adjustable wrench, loosen pipe plug in upper sensor hole (A) enough to allow fuel to leak.
Check to see if fuel leaks from upper sensor hole (A),
If fuel does not leak from upper sensor hole (A), remove pipe plug from upper sensor hole (A) and
go on to step 4. If fuel does leak from upper sensor hole (A), use adjustable wrench to tighten pipe
plug in upper sensor hole (A) and go to step 8.
B e very careful not to disturb
center filter element. Center filter
element m u s t b e r e p l a c e d i f
disturbed in any way.
Using 7/16 inch wrench, remove eight screws,
lockwashers, and flat washers (B) securing
cover (C) to separator (D). Remove cover (C)
Remove gasket (E) from cover (C). Throw
Add fuel to fuel-water separator (D) until
fluid level is above upper sensor hole (A).
Using adjustable wrench, install pipe plug
into upper sensor hole (A).
Place cover (C) and new gasket (E) in position
and, using 7/16 inch wrench, install eight
Go on to Sheet 9
Change 1 7-273