6 COOLANT
Mitsubishi Diesel Engine S16R & S16R2 OPERATION & MAINTENANCE MANUAL
114
Pub. No. K29001-00320 Revision: 1
• The upper limit of the LLC concentration is 60%
for GLASSY and 90% for PG GLASSY. If the
concentration is higher than above, the
antifreeze effect will be lowered, or the coolant
temperature will be increased due to the lowered
specific heat.
• The coolant temperature increases by
approximately 1.5°C [2.7°F] for GLASSY at 60%
concentration and by approximately 3°C [5.4°F]
for PG GLASSY at 90% concentration. Check
heat exchanger capacity of the cooling system to
avoid overheating.
Fig. 6-1 Freezing Temperature of GLASSY
Fig. 6-2 Freezing Temperature of PG GLASSY
• When using the other LLC follow the
instruction manual of LLC to be used.
LLC Concentration in Coolant
- Measure
To measure the LLC concentration, the following
tool is required.
• Tool: Coolant tester
• When using other tools, follow the
instruction manual attached to the tool
to be used.
Tool - Adjust
1 Place 1 or 2 drops of distilled or tap
water on the prism.
Fig. 6-3 Tool - Adjust 1
2 Close the daylight plate slowly.
Fig. 6-4 Tool - Adjust 2
Concentration
Lower Limit
Concentration (Volume%)
Freezing Temperature °C [°F]
0
[32]
-10
[14]
-20
[-4]
-30
[-22]
-40
[-40]
-50
[-58]
-60
[-76]
10 20 30 40 50 60 700
Concentration
Lower Limit
Concentration (Volume%)
Freezing Temperature °C [°F]
0
[32]
-10
[14]
-20
[-4]
-30
[-22]
-40
[-40]
-50
[-58]
-60
[-76]
40 50 60 70 80 90 1000
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