Checking And Adding Power Steering Oil (6Lpa-Stzp2 Models); Engine Coolant; Engine Coolant Specifications - Yanmar 6LPA-STP2 Service Manual

GENERAL SERVICE INFORMATION
Checking and Adding Power Steering
Oil (6LPA-STZP2 Models)
Figure 3-23
(4)
(3)
(2)
(1)
Figure 3-23
1 – Power Steering Oil Service Tank
2 – Lower Oil Level
3 – Upper Oil Level
4 – Filler Cap / Dipstick
1. Remove the filler cap / dipstick
(Figure 3-23, (4)) from the power steering oil
service tank (Figure 3-23, (1)) and wipe with a
clean cloth.
2. Fully reinsert the dipstick.
3. Remove the dipstick. The oil level should be
between upper (Figure 3-23, (3)) and lower
(Figure 3-23, (2)) lines on the dipstick.
4. Fill with oil to the upper limit on the dipstick. See
Mercruiser® Bravo Stern Drive Oil
Specifications on page 3-23. NOTICE: NEVER
overfill the power steering system with oil.
5. Fully reinsert the dipstick and hand tighten.
3-24

ENGINE COOLANT

Engine Coolant Specifications

• Texaco Long Life Coolant (LLC), both standard
and premixed, product code 7997 and 7998
• Havoline Extended Life Antifreeze / Coolant,
product code 7994
Note: In the U.S., LLC is required for the
warranty to be valid.
NOTICE:
• Always add LLC to soft water - especially when
operating in cold weather. Without LLC, cooling
performance will decrease due to scale and rust
in the cooling system. Water alone may freeze
and form ice; it expands approximately 9% in
0004912_s1
volume.
• Use the proper amount of coolant concentrate for
the ambient temperature as specified by the LLC
manufacturer. LLC concentration should be a
minimum of 30% to a maximum of 60%. Too
much LLC will decrease the cooling efficiency
also. NEVER mix different types or brands of LLC
or a harmful sludge may form.
• NEVER use hard water. Water should be clean
and free from sludge or particles.
• Following the manufacturer's recommendations,
use a proper LLC which will not have any adverse
effects on the materials (cast iron, aluminum,
copper, etc.) of the engine's freshwater cooling
system.
• Excessive use of antifreeze also lowers the
cooling efficiency of the engine. Be sure to use
the mixing ratios specified by the antifreeze
manufacturer for the temperature range.
• Replace engine coolant periodically, according to
the maintenance schedule.
• Remove scale from the cooling system
periodically by flushing the system. NEVER mix
different brands of antifreeze. Chemical reactions
may make the antifreeze useless and engine
problems may result.
© 2007 Yanmar Marine International
Engine Coolant
6LPA Service Manual