SECTION 5
5-45
W ARNING:
S Take care if removing the radiator cap
when the engine is hot. Cover the cap
with a rag and turn slowly to release
the pressure before removing the cap
completely.
S Do not add cold water to a hot radia -
tor.
Coolant change -- Figure 83
The coolant water/antifreeze mixture should be re-
newed:
S every 600 operating hours, or
S every 2 years, whichever comes first.
When replacing the coolant, proceed as follows:
1. Drain the cooling system by opening cock H.
2. Flush the cooling system by closing cock H and
filling the system with clean water. Start the en-
gine and bring it up to normal operating tempera-
ture. Stop the engine. Then open cock H.
3. Close cock H and f ill the cooling system with cool-
ant as specified.
CAUTION:
The engine and radiator are hot, so ex -
treme care should be taken when filling
the radiator and reinstalling the cap.
83
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