I Long-lasting coolant
addition
Use
premixed or concentrated coolant only for Perkins products. Perkins extenders
can only be used with long-life coolants.
Mix
long-life coolant with other products to reduce the life of long-life coolant.
The failure to do so will reduce the life of the cooling system components
unless proper remedial action is taken.
To
maintain the correct balance between coolant and additives, the recommended
concentration of long-life coolant (ELC) must be maintained. Lowering the
proportion of the coolant also reduces the proportion of the additive. This
will reduce the ability of the coolant protection system to resist pitting,
cavitation, erosion and deposits.
Note:
Be careful not to use conventional coolant to supplement the cooling system
filled with long-life coolant (ELC). do not use the standard supplemental
coolant additive (SCA). The ELC extender is only used in the RLC cooling
system. Do not use standard SCA or SCA filters when using Perkins ELC.
II ELC Cooling System
Cleaning
If
the cooling system is already using ELC, it is not necessary to use the
cleaning agent during the specified coolant replacement cycle. Cleaning agents
are only required if the system has been contaminated by some other type of
coolant or cooling system of diesel generator set that has been added.
When
the ELC is discharged from the cooling system, it is only necessary to rinse
with clean water.
After
draining the cooling system and refilling the cooling system, install the
filter cap. Run the engine until the coolant reaches the normal operating
temperature. Shut down the engine with a normal shutdown procedure. If
necessary, add a coolant mixture to fill the system to the specified level.
Install the filter cap.
III Replace With Perkins
ELC
To
replace heavy-duty coolant with Perkins ELC, perform the following steps:
1.
Drain the coolant into a suitable container
2.
Dispose of the coolant according to local regulations water to remove any
debris.
3.
Rinse the cooling system with clean water to remove any debris.
4.
Use a Perkins cleaner to clean the system. Follow the instructions on the
label.
5.
Drain the cleaner into a suitable container. Filling the cooling system with
clean water.
6.
Fill the cooling system with clean water and run the engine until it warms to
49℃ to 66℃.
7.
Shut down the engine with a normal shutdown procedure. Drain the coolant into a
suitable container and rinse the cooling system with clean water.
8.
Repeat steps 6 and 7 until the system is completely clean.
9.
Fill the cooling system with Perkins premixed ELC.
Method to check and clean Perkins generator set after cooler core inspection and cleaning method.
Check
the following conditions on the cooler: heat sink damage, corrosion, dirt,
grease, inspect stains, leaves, oil and other debris, if necessary, clean the
cooler.
The
rear cooler core can not be removed, and the aftercooler core can be cleaned
with a suitable detergent. The aftercooler must be dry before running the
engine. The following are the after-cooler cleaning methods.
Compressed
air is the first method to remove loose debris. Compress air is blown in the
opposite direction of the fan airflow. Keep the nozzle discrete heat piece
about6mm away. Slowly move the nozzle in a direction parallel to the tube. This
will remove debris between the tubes.
High
pressure water can also be used for cleaning. The maximum water pressure for
cleaning must be less than 275kPa, and high pressure water is used to soften
the sludge. Clean the rear cooler core from both sides. Be careful not to wash
the core with a high concentration of corrosive detergent. High concentrations
of corrosive cleaners can corrode metals inside the core and cause leakage.
Rinse
the aftercooler with a suitable cleaning agent
Clean the aftercooler with steam to remove ant
residue. Rinse the fins of the aftercooler. Remove all other residual debris.
Wash
the aftercooler with hot soapy water. Rinse thoroughly with clean water.
Dry
the aftercooler with compressed air. Let
the air blow in the opposite direction of normal flow. Remove all liquid from
the aftercooler. Make sure the aftercooler is dry.
Check
the aftercooler to make sure it is clean. Pressure test the aftercooler and
replace the aftercooler if necessary.
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