Section 5 - Maintenance
Page 54 90-8M0070920 eng AUGUST 2012
5. Remove the rubber side covers from the air filter element.
Air filter mounting
a - Crankcase ventilation hoses
b - Small clamps
c - Large clamps
d - Tension springs
e - Rubber side covers
Inspection and Cleaning
NOTICE
Do not use fuel, thinner, or other cleaning agents for cleaning the air filter element. Use only the recommended products in
the cleaning kit. Failure to use the correct products can damage the air filter element.
1. Inspect the air filter for damage.
2. Using compressed air not exceeding 2.0 bar (29 psi), blow debris from the air filter from the inside, toward the outside of
the filter.
3. For cleaning, follow the cleaning procedures contained in recommended Mercury Diesel cleaning kit (8M0067626).
4. Replace the air filter as needed.
Installation
1. Install the rubber side covers onto the air filter element.
2. Align the marks as shown by the arrows in the air filter mounting illustration.
3. Install the tension springs.
4. Install the large clamps onto the rubber side covers. Snug the fasteners to retain the boots.
5. Place the small clamps onto the small openings on the rubber side covers.
6. Gently compress the rubber boots toward the center of the air filter element and install the filter assembly onto the
turbocharger inlets.
7. Tighten the small clamps to retain the filter assembly.
8. Install the crankcase ventilation hoses.
Water‑Separating Fine Element 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.
NOTICE
Water entering the fuel injection system will cause corrosion and rusting of the injectors and other components, disabling the
fuel injection system. Check daily for water in the water‑separating fuel filter and have the engine inspected immediately if
there is evidence of water in the fuel system.
IMPORTANT: Use a suitable container to collect fuel. Clean up any spills immediately and dispose of fuel and old filters in a
safe manner in accordance with all local, federal, and international regulations.
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