Hyundai HDF 50-7S, Service Manual

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INTRODUCTION
V
Be careful of burns
Do not touch the engine during or immedi-
ately after operation
Do not touch the engine during or
immediately after operation to
avoid risk of burns.
To conduct maintenance and in-
spection work, wait until the engine
has cooled sufficiently, checking
the temperature gauge.
Slowly and carefully open radiator cap
Never attempt to open the radiator cap while the engine
is running or immediately after the engine stops. Give a
sufficient cooling time to the engine coolant before
opening the cap.
When opening the radiator cap, slowly turn the cap to
release internal pressure. To prevent scalds with steam
gushing out, wear thick rubber gloves or cover the cap
with a cloth.
Close the radiator cap tightly without fail.
The coolant is very hot and under pressure during en-
gine running or just after the engine stops. If the radia-
tor cap is not closed tightly, steam and hot coolant may
gush out and can cause scalds.
Add coolant only after the coolant tempera-
ture dropped
Do not add coolant immediately after the engine stops.
Wait until the coolant temperature lowers sufficiently to
avoid a risk of burns.
Never remove heat shields
The exhaust system, which becomes extremely hot
while the engine is operating, is provided with various
heat shields. Do not remove these heat shields. If any
of these heat shields have been removed owing to un-
avoidable circumstances during the work, be sure to re-
store them after the work is completed.
Be careful of exhaust fume poi-
soning
Operate engine in well-ventilated area
If the engine is installed in an en-
closed area and the exhaust gas is
ducted outside, ensure that there is
no exhaust gas leak from duct
joints.
Take care that the exhaust gas is
not discharged toward plants or animals.
Exhaust gas from the engine contains carbon monox-
ide and other harmful substances. Operating the en-
gine in an ill-ventilated area can produce gas
poisoning.
Protect ears from noises
Wear ear plugs
Always wear ear plugs when enter-
ing the machine room (engine
room). Combustion sound and me-
chanical noise generated by the en-
gine can cause hearing problems.
WARNING WARNING
WARNING
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