Safety
Safety, Operation and Maintenance Manual - Sep 2012
2-66
SY115C9/135C/155H Crawler Hydraulic Excavator
Fig. 2-101
Fig. 2-102
2.5.15 Hot cooling system
Touching hot high-pressure coolant may
cause serious injury.
When engine temperature rises, pressure of
the cooling system increases. Before remov-
ing the radiator cover, stop the engine and
let the system cool down. The radiator cover
could only be removed after the coolant in it
has cooled down.
2.5.16 Air-conditioning system
CZ335-1102083
●
Refrigerant R134 a is a harmless gas
under room temperature. It will change
into highly toxic gas when burning.
●
Refrigerant getting into eyes may cause
blindness. It may cause frostbite if
splashed on your skin.
●
Keep
fi
re source away when servicing air-
conditioning system.
●
In maintenance of air-conditioning system,
observe the instruction on the refrigerant
cylinder and use it correctly. The type of
refrigerant is R134a. Use of other refriger-
ants may damage the air-conditioning sys-
tem.
●
Obey local material disposal regulations.
Never discharge refrigerant directly into the
air.
CZ215L-1102001
WARNING
WARNING
