5.5 Check coolant level
NOTE:
Before proceeding with any operation on the engine,
stop it and allow it to cool.
Important
• Place engine on horizontal surface to ensure accurate
measurement of checking.
Warning
• Presence of steam pressurized coolant danger of burns.
NOTE: Component not necessarily supplied by KOHLER.
1 -
Start the engine without cap A on the cooled exhaust
manifold B.
2 -
Undo capscrew C and rell the cooled exhaust manifold B
until coolant leaks out of capscrew C.
NOTE: The MAX lling level for exhaust manifold B is in
correspondence of capscrew C, complete the coolant
relling procedure as soon as the coolant starts leaking
out of capscrew C.
3 -
Reinstall the cap A and capscrew C.
NOTE: For coolant lling see Par. 4.6.
Warning
• 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 motor
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.