49
Oil cooler
See the description in the “Cooling system” section
on pages 58–59 for information on the oil cooler.
Lubricating oil filter
By-pass filter
Maintenance – Lubrication System
Oil Change – Engine
The oil should be changed when the engine is
hot.
Warning! Hot oil can cause burns.
Engines with oil scavenging pump (accessory):
Remove the oil dipstick and connect the suction pipe
to the dipstick tube. Start the pump and collect the oil
in a container.
Alternatively, the oil can be drained after removing
the oil sump drain plug.*
Fill oil through the filler on the front valve cover or the
filler tube at the front of the engine (accessory on
TAMD71 engines). Oil quality: refer to page 96.
Quality and capacity, refer to “Technical Data” on
page 108.
The oil level should be within the area marked on the
dipstick. The level must never be allowed to drop
beneath the lower mark.
The scavenging pump can also be used to add oil
(the + and – cables are swapped on the electrical
scavenging pump). Refer to the Wiring Diagrams on
pages 75, 77 or 83.
NOTE! Collect up the old oil and deposit at a
proper site for disposal. Never dump oil over-
board into the water.
* Note. The TAMD63 has no drain plug.
Draining oil from the engine
Oil filter
The oil filter filters contaminants from the oil. The
engine oil filter is of full flow type, which means that
all the oil is filtered before it enters the lubrication
system. The filter element is made of folded filter
paper.
In the TAMD63, TAMD73 and TAMD74, the filter is
located in front of the starter motor on the right of the
engine. TAMD71* engines have the filter located at
the front of the engine.
On all marine propulsion engines the filter can
alternatively be located at the rear of the engine
(accessory).
The TAMD63, TAMD73 and TAMD74 engines also
have a by-pass (partial flow) lubricating oil filter
located above the engine oil filter. A by-pass filter
can be obtained as an accessory for TAMD71
engines. This filter is located behind the lubricating
oil filter at the front of the engine.
As only a small amount of oil passes through the by-
pass filter, the flow rate is relatively low. The filter is
therefore able to separate even very small particles
from the oil. The filter element is made of folded filter
paper.
* Note. In the TAMD71 classifiable auxiliary engine, the filter is
located in front of the starter motor on the right of the engine.
Replacing the engine oil/by-pass filter
Note: Place a container beneath the filter when
removing to avoid spillage.
1. Unscrew the oil filter (1) or by-pass filter (2) using
special tool. Discard the old filters.
Warning! Hot oil can cause burns.
2. Lightly oil the new filter’s rubber gasket and
check its mating surface on the mounting.
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