Mercury MerCruiser D2.8L D-Tronic Service Manual page 565

SERVICE MANUAL NUMBER 22
4. Continue moving the plunger on hand pump/primer up and down repeatedly until
resistance is felt. This should have filled the fuel injection pump.
However, should the engine not start and it becomes necessary to purge air from the fuel
injection pump, proceed as follows.
NOTE: Place suitable container under fuel filter and injection pump to catch excess fuel.
5. Bleed air from Water Separating Fuel Filter.
6. Loosen bleed screw on injection pump.
7. Move plunger on hand pump/primer up and down repeatedly, until an air free stream of
fuel flows from bleed screw.
8. Close bleed screw on injection pump. Tighten securely.
90-860074--1 FEBRUARY 2002
a - Injection Pump
b - Bleed Screw
c - Expelled Fuel
a
b
INJECTION PUMP
c
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