Craftsman Marine — Bleeding air from the fuel system

For these Craftsman Marine models: L2, L3.

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Procedure

1. Loosen the air vent screw on the fuel filter.
2. For engine without feed pump, fuel flows down and enters the fuel filter, wait for fuel to overflow from the air vent screw. Then tighten the air vent screw.
3. For engine with the electromagnetic fuel pump, turn the starting switch key to the ON position to feed fuel to the fuel filter. Loosen the air vent screw on the filter and, after bleeding air, tighten the air vent screw.
4. Loosen the air vent screw on the fuel injection pump to let air bleed from the fuel pipe and fuel injection pump.
5. Air in the injection pipes and nozzles is driven out automatically by cranking the engine.

Source: manual:Craftsman_16-27_verkstedbok.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.