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Mercury/Mariner 3.0 MPI ECT User Manual

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Section 5 - Maintenance
90-8M0074347 eng OCTOBER 2012 Page 65
2. Pull the tether through the bilge drain.
a - Bilge drain plug
b - Tether
c - Clip
d - Oil drain hose plug
e - Oil drain hose
f - Bilge drain flange
3. Place the oil drain hose in a suitable container.
4. Remove the drain plug from the oil drain hose.
5. Loosen the oil filter to vent the system.
6. After oil has drained completely, install the drain plug in the oil drain hose. Securely tighten the drain plug.
7. Push the hose through bilge drain and install the plug.
8.
Change the oil filter and replace the engine oil. Refer to Changing the Oil Filter.
Using the Engine Oil Drain Pump
NOTE: This procedure may be performed with the boat at rest in the water or with the boat out of the water.
1. Loosen the oil filter to vent the system.
2. Remove the dipstick.
3. Install the oil pump onto the dipstick tube.
a - Typical oil pump
b - Dipstick tube
c - Oil drain hose
4. Insert the hose end of the crankcase oil pump into an appropriate container and, using the handle, pump until the
crankcase is empty.
5. Remove the pump.
6. Install the dipstick.
7.
Change the oil filter and replace the engine oil. Refer to Changing the Oil Filter.
Changing the Oil Filter
1. Remove and discard the oil filter.
2. Coat the sealing ring on the new filter with engine oil.
3. Install the oil filter following the filter manufacturer's instructions. Do not overtighten.
4. Remove the oil fill cap.
5. Ensure the boat is at rest if it is in the water.
f
e
d
c
b
a
7284
mc70571-1
a
c
b

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Mercury/Mariner 3.0 MPI ECT Specifications

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