MerCruiser 3.0 TKS, User Manual

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Section 5 - Maintenance
90-8M0053372
eng
NOVEMBER 2010 Page 59
Changing the Water‑Separating Fuel Filter
!
WARNING
Fuel is flammable and explosive. Ensure that the key switch is off and the lanyard is positioned so that the engine cannot
start. Do not smoke or allow sources of spark or open flame in the area while servicing. Keep the work area well ventilated
and avoid prolonged exposure to vapors. Always check for leaks before attempting to start the engine, and wipe up any
spilled fuel immediately.
1. Allow the engine to cool down.
NOTE: Mercury MerCruiser recommends that the engine be shut off for 12 hours prior to filter removal.
2. Close fuel supply valve, if equipped.
3. Wrap the water separating fuel filter with a cloth to help catch any fuel spills or spray.
4. Remove and discard the water separating fuel filter and sealing ring from the mounting bracket.
5. Coat the sealing ring on the new filter with engine oil.
Tube Ref. No. Description Where Used Part No.
Synthetic Blend MerCruiser Engine Oil
SAE25W‑40
Filter sealing ring 92‑883725K01
6. Thread filter onto bracket and tighten securely by hand. Do NOT use a filter wrench.
a - Fuel filter base
b - Sealing ring
c - Fuel filter
7. Open fuel supply valve, if equipped.
8. Ensure that engine compartment is properly ventilated.
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 the
engine immediately and contact your authorized Mercury MerCruiser dealer.
Lubrication
Steering System
!
WARNING
Incorrect cable lubrication can cause hydraulic lock, leading to serious injury or death from loss of boat control. Completely
retract the end of the steering cable before applying lubricant.
NOTE: If the steering cable does not have a grease fitting, the inner wire of the cable cannot be greased.
a
b
c
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