G. Cooling System - Hitachi Zaxis 17U-5A Operator's Manual

Hydraulic excavator
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G. Cooling System

Coolant
IMPORTANT: Use soft water as a coolant. Do not use
strong acid or alkaline water. Use the coolant with
genuine Hitachi Long-Life Coolant (LLC) mixed by 30
to 50 %.
If a coolant mixed with less than 30 % of Hitachi
Long-Life Coolant is used, service life of the cooling
parts may be shortened due to damage by freezing or
corrosion of coolant system parts.
If it is above 60 %, the engine may overheat.
Antifreeze Mixing Ratio
Mixing Ratio [%]
Air Temperature [°C]
d
CAUTION: Precautions for handling antifreeze
 Antifreeze is poisonous.
 if ingested, it can cause serious injury or death.
Induce vomiting and get emergency medical
attention immediately.
 If antifreeze is accidentally splashed into eyes, flush
with water for 10 to 15 minutes and get emergency
medical attention.
 When storing antifreeze, be sure to keep it in a
clearly marked container with a tight lid. Always
keep antifreeze out of the reach of children.
 Use attention to fire hazards. LLC is specified as a
dangerous substance in the fire protection law.
 When disposing of LLC, be sure to comply with
all local regulations. When storing or disposing
of antifreeze, be sure to comply with all local
regulations.
30
35
40
-10
-15
-20
MAINTENANCE
45
50
-25
-30
7-61

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This manual is also suitable for:

Zaxis 26u-5a

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