Recommended Water For Coolant; Long Life Coolant (Llc); Genuine Llc; Fig. 6-1 Glassy - Llc - Mitsubishi S6B Operation & Maintenance Manual

Note: In this operation manual, the word "coolant" represents the liquid combined water and LLC.

Recommended water for coolant

Use soft water for the engine cooling system. The water quality must meet the requirements in the Table below.
Basically, the water quality should be within the recommended value, however, up to the limit is acceptable.
Item
PH (25 °C [77 °F])
Electrical conductivity
(25°C [77°F])
Total hardness
M alkalinity
Chlorine ion
Sulfuric acid ion
Total iron
Silica
Residue from evapo-
ration
Note: Figures in parentheses are the standard value. In addition to the items specified above, turbidity is specified to
be below 15 mg/liter.

Long life coolant (LLC)

Should coolant or LLC be accidentally swallowed, induce vomiting immediately and seek medical attention. If LLC
should enter eyes, flush immediately with plenty of water and seek medical attention.
Be sure to use Mitsubishi genuine long life coolant (LLC) "GLASSY long life coolant (Ethylene glycol type)" or "PG
GLASSY long life coolant (Non-amine type)" as coolant. When using other brand LLCs by necessity, be sure to use
the LLC that meets the Mitsubishi specification. Mitsubishi heavy industries, Ltd. disclaim the warranty claim con-
cerning malfunctions caused by the use of LLC that does not meet the following specification.

Genuine LLC

Mitsubishi Heavy Industries, Ltd. recommends the use
of our genuine long life coolant "GLASSY long life
coolant (Ethylene glycol type)", and Eco-friendly prod-
uct "PG GLASSY long life coolant (Non-amine type)",
which are most appropriate coolant for Mitsubishi die-
sel engine.

Table 6-1 Water quality standards

Chemical
Unit
symbol
- -
- mS/m
CaCO ppm
3
CaCO ppm
3
-
Cl ppm
4 2-
SO ppm
Fe ppm
SiO ppm
2
-
ppm
Chapter 6 COOLANT
Recommend
Limit value
value
6.5 to 8.0 6.5 to 8.5
< 25 < 40
< 95 < 100
< 70 < 150
< 100 < 100
< 50 < 100
< 1.0 < 1.0
< 30 < 50
< 250 < 400

Fig. 6-1 GLASSY - LLC

Main adverse effect
Corrosion Scale forma-
and rust tion
○ ○
○ ○
○
-
○
-
○
-
○
-
○
-
○
-
○
-
6-1