Fuel System; Priming - Mercury Sterndrive QSD 2.0 Manual

Diesel engine
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1.
Loosen the air vent (bleed) screw on the fuel filter bracket.
2.
Move the primer plunger up and down repeatedly. The filter is full when an air‑free stream of fuel flows from the air vent
screw.
3.
Securely tighten the air vent screw.

Fuel System

Priming

Prime the engine if it has not been run for an extended period or if the engine will not start.
90-8M0069751
APRIL 2012
eng
a
a
a
Typical
a -
Air vent screw
23469
Typical
a -
Air vent screw
b -
Primer plunger
b
23468
Typical
a -
Air vent screw
23469
Section 5 - Maintenance
Page 69

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