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Mercury/Mariner 3.0 MPI ECT User Manual

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Section 5 - Maintenance
Page 78 90-8M0074347 eng OCTOBER 2012
Alternator Belt
1. Remove power steering pump drive belt, if equipped.
2. Loosen the alternator.
3. Remove and replace the alternator belt.
4. Install the power steering belt, if equipped. Move the power steering brace to its original position and adjust tension of both
drive belts.
Description
Deflection 6 mm (1/4 in.)
Scheduled Maintenance Procedures Specifically for 3.0 TKS
Cleaning the Flame Arrestor
!
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. Disconnect and remove the crankcase ventilation hose from the fitting on the flame arrestor and valve cover.
2. Remove the flame arrestor.
a - Flame arrestor
b - Flame arrestor nut and
washer
c - Crankcase ventilation hose
3. Clean the flame arrestor with warm water and a mild detergent.
4. Inspect the flame arrestor for holes, cracks, or deterioration. Replace if necessary.
5. Allow the flame arrestor to air dry completely before use.
6. Clean the crankcase ventilation hose with warm water and a mild detergent. Dry with compressed air or allow to air dry
completely.
7. Inspect the crankcase ventilation hose for cracks or deterioration. Replace if necessary.
8. Install the flame arrestor, sealing washer, and locknut. Torque the flame arrestor locknut to specification.
Description
Nm lb‑in. lb‑ft
Flame arrestor nut 12 106
9. Connect the crankcase ventilation hose to the fitting on the flame arrestor and valve cover.
b
a
c
7164

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Mercury/Mariner 3.0 MPI ECT Specifications

General IconGeneral
BrandMercury/Mariner
Model3.0 MPI ECT
CategoryEngine
LanguageEnglish