Cooling System - Hitachi ZAXIS 135US-5B 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.
Antifreeze Mixing Ratio
Air Temperature
[ºC]
-1
-15
-20
-25
-30
Precautions for handling antifreeze
d
CAUTION: Antifreeze is poisonous.
 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.
MAINTENANCE
Mixing Ratio
Antifreeze
[%]
30
35
40
45
50
ZX135US-5B
Soft water
[L]
[L]
6.0
14.0
7.0
13.0
8.0
12.0
9.0
11.0
10.0
10.0
7-69
ZX225US-5B, 225USLC-5B
Antifreeze
Soft water
[L]
[L]
7.8
18.2
9.1
16.9
10.4
15.6
11.7
14.3
13.0
13.0

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Zaxis 225us-5bZaxis 225uslc-5b090001300001

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