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5
5.5 Check coolant level
NOTE:
Before proceeding with any operation on
the engine, stop it and allow it to cool.
• Place engine on horizontal surface to ensure accurate
measurement of checking.
• Presence of steam pressurized coolant danger of burns.
1. Start the engine without cap A on the cooled exhaust manifold
B.
2. Undo capscrew C and refill the cooled exhaust manifold
B until coolant leaks out of capscrew C.
NOTE:
The
MAX
B is in correspondence of capscrew C,
complete the coolant refilling procedure
as soon as the coolant starts leaking out
of capscrew C.
3. Reinstall the cap A and capscrew C.
NOTE: For coolant filling see
• Before starting make sure that the radiator cap and cap, if
present, are installed correctly to avoid spillage of liquid or
vapour at high temperatures.
5.6 Zinc anode and
radiator check
Warning
• Protect
the
starter
adequately against contact
with liquids before starting
operations.
1. Slightly undo union A to
drain the coolant into an
appropriate container and
refer to
Par.
3.5.
2. Undo capscrew B.
3. Replace component B if
value
C
is below 15 mm.
4. Undo capscrew D1, D2 and
remove cap E1, E2.
5. Remove radiator F from
cooled manifold G.
6. Perform
the
cleaning
operations,
immerse
components F, E1, E2 in a
solution of distilled water
with 10% hydrochloric acid.
7. Make sure that radiator F is
free from deposits and dirt
of any kind.
8. Make sure that all the holes
in surfaces F1, F2 are free
from deposits and dirt of
any kind.
EN
26
INFORMATION ABOUT MAINTENANCE
Important
Warning
filling level for exhaust manifold
Par.
4.6.
Warning
B
motor
5.6
F1
5.7
B
5.4
5.5
B
E1
D1
A
F
A
C
C
F
F2
E2
D2
ED0053030870
G
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