Section 5 - Maintenance
90-899883295 JUNE 2008 Page 95
9. Remove the filter cup from the filter cap by grasping the filter cap and rotating it in a
clockwise direction while holding the filter cup stationary.
10. Remove the used water‑separating fuel filter element from the filter cup, place it in a
clean, approved container.
11. Dispose of any water or debris that may be in the filter cup.
INSTALLATION
1. Install a new water‑separating fuel filter element into the filter cup. Push the element
into the cup until completely seated.
2. Install new O‑ring on the filter cup.
3. Attach the filter cap to the filter cup by grasping the filter cap and rotating it in a counter
clockwise direction while holding the filter cup stationary, until the filter cap locks
securely into place.
4. Install the fuel filter assembly slowly into the Cool Fuel Module to prevent spilling fuel,
and align the screws retained in the filter cap with the screw holes in the Cool Fuel
Module. Tighten the filter assembly retaining screws until hand tight.
5. Ensure that the filter cap is firmly seated against the Cool Fuel Module and torque each
filter assembly retaining screw.
Description Nm lb. in. lb. ft.
Filter assembly retaining screw 6 53
6. Open fuel supply valve, if equipped.
7. Reconnect the Cool Fuel Module harness to the engine wiring harness.
8. Properly ventilate the engine compartment.
NOTICE
Without sufficient cooling water, the engine, the water pump, and other components will
overheat and suffer damage. Provide a sufficient supply of water to the water inlets during
operation.
9. Supply cooling water to the engine.
10. Start the engine. Check for gasoline leaks around the fuel filter assembly. If leaks exist,
stop the engine immediately. Recheck the filter installation, clean spilled fuel and
properly ventilate the engine compartment. If leaks continue, stop engine immediately
and contact your authorized Mercury MerCruiser dealer.
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