Coolant Recommendations - Perkins 2206F-E13TA Operation And Maintenance Manual

SEBU9071-01
• Leakage of the water pump seal
• Plugging of radiators, coolers, and small passages
Glycol
Glycol in the coolant helps to provide protection
against the following conditions:
• Boiling
• Freezing
• Cavitation of the water pump
For optimum performance, Perkins recommends a
1:1 mixture of a water/glycol solution.
Note: Use a mixture that will provide protection
against the lowest ambient temperature.
Note: 100 percent pure glycol will freeze at a
temperature of −13 °C (8.6 °F).
Most conventional antifreezes use ethylene glycol.
Propylene glycol may also be used. In a 1:1 mixture
with water, ethylene and propylene glycol provide
similar protection against freezing and boiling. Refer
to Table 9 and refer to table 10 .
Table 9
Ethylene Glycol
Concentration
50 Percent
60 Percent
NOTICE
Do not use propylene glycol in concentrations that
exceed 50 percent glycol because of the reduced
heat transfer capability of propylene glycol. Use ethyl-
ene glycol in conditions that require additional protec-
tion against boiling or freezing.
Table 10
Propylene Glycol
Concentration
50 Percent
To check the concentration of glycol in the coolant,
measure the specific gravity of the coolant.

Coolant Recommendations

• ELC
• SCA Supplement Coolant Additive
• ASTM American Society for Testing and
Materials
Freeze Protection
−36 °C (−33 °F)
−51 °C (−60 °F)
Freeze Protection
−29 °C (−20 °F)
Extended Life Coolant
The following two coolants are used in Perkins diesel
engines:
Preferred – Perkins ELC
Acceptable – A commercial heavy-duty antifreeze
that meets "ASTM D6210 " specifications
NOTICE
The Perkins industrial engines must be operated
with a 1:1 mixture of water and glycol. This con-
centration allows the NOx reduction system to
operate correctly at high ambient temperatures.
NOTICE
Do not use a commercial coolant/antifreeze that only
meets the ASTM D3306 specification. This type of
coolant/antifreeze is made for light automotive
applications.
Perkins recommends a 1:1 mixture of water and
glycol. This mixture of water and glycol will provide
optimum heavy-duty performance as an antifreeze.
This ratio may be increased to 1:2 water to glycol if
extra freezing protection is required.
A mixture of SCA inhibitor and water is acceptable
but will not give the same level of corrosion, boiling
and, freezing protection as ELC. Perkins
recommends a 6 percent to 8 percent concentration
of SCA in those cooling systems. Distilled water or
deionized water is preferred.
Table 11
Coolant Service Life
Coolant Type
Perkins ELC
Commercial Heavy-Duty Anti-
freeze that meets "ASTM
D6210"
Commercial SCA inhibitor and
Water
(1) Use the interval that occurs first. The cooling system must also
be flushed out at this time.
ELC
Perkins provides ELC for use in the following
applications:
• Heavy-duty spark ignited gas engines
• Heavy-duty diesel engines
• Automotive applications
65
Maintenance Section
Fluid Recommendations
Service Life (1)
6,000 Service Hours or Three
Years
3000 Service Hours or Two Year
3000 Service Hours or One Year