14 APPENDIX
Mitsubishi Diesel Engine S16R & S16R2 OPERATION & MAINTENANCE MANUAL
211
Pub. No. K29001-00320 Revision: 1
Table 14-5 LLC Specifications (2/3)
Test items Standard value
Circulating corro-
sion (98 ± 2°C
[208.4 ± 3.6°F],
1000 Hr, 30 volu-
metric% water solu-
tion {ethylene
glycol}, 50 volumet-
ric% water solution
{propylene glycol})
Metallic test
piece
Mass
change
Aluminum, cast
iron, steel, brass,
solder, and copper
±0.30 mg/cm
2
Visual inspection of test piece af-
ter testing
Any corrosion must not be observed
except for the contacting position of
the test piece and spacer.Discolor-
ation is allowed.
Property of
liquid after
test
pH 7.0 to 9.0
pH change ± 1.0
Reserve alkalinity change ± 15%
Precipitation
1.0 volumetric% water solution or
less
Visual inspection of liquid
No significant discoloration.No sig-
nificant changes such as separation
and gel generation.
Ion con-
centration
Iron, copper, alumi-
num, zinc, lead, and
ammonium ion
10 ppm or less
Circulating corro-
sion (88 ± 3°C
[190.4 ± 5.4°F],
1000 ± 2 Hr, 30 vol-
umetric% water
solution {ethylene
glycol})
Metallic test
piece
Mass
change
Aluminum ±0.60 mg/cm
2
Cast iron ±0.30 mg/cm
2
Steel ±0.30 mg/cm
2
Brass ±0.30 mg/cm
2
Solder ±0.60 mg/cm
2
Copper ±0.30 mg/cm
2
Visual inspection of test piece af-
ter testing
Any corrosion must not be observed
except for the contacting position of
the test piece and spacer. Discolor-
ation is allowed.
Property of
liquid after
test
pH 6.5 to 11.0
pH change Maximum ±1.0
Visual inspection of liquid
No significant discoloration.No sig-
nificant changes such as bubbles
and gel generation.
Condition of
parts
Pump seals
Free from any malfunction, liquid
leak, and abnormal noise during op-
eration.
Pump case inner surfaces and
blades
Free from significant corrosion.
To Next Page
Loading...
Need help?
General
