Chapter 7 TPD1327E
Page 50
Caution: After a period in storage, but before the
engine is started, operate the starter motor with
the stop switch held in the “STOP” position until oil
pressure is indicated. Oil pressure is indicated when
the low pressure warning light is extinguished. If a
solenoid stop control is used on the fuel injection
pump, it must be disconnected for this operation.
If the engine protection is done correctly according
to the above recommendations, no corrosion
damage will normally occur. Perkins are not
responsible for damage which may occur when an
engine is in storage after a period in service.
How to add antifreeze to the raw water system for
engine preservation purposes
Before antifreeze is added to the raw water system
the system should be ushed out with fresh water.
To do this operate the engine for one to two minutes
with the seacock closed and with a supply of fresh
water through the inlet of the raw water pump.
1. Obtain two empty, clean containers each with
a capacity of approximately 9,0 litres (2 UK
gallons) 9.6 US quarts. Also obtain 4,5 litre (1 UK
gallon) 5 US quarts of POWERPART antifreeze.
2. Remove the hose from the connection on the
exhaust elbow and put the end of the hose into
one of the empty containers.
Caution: Do not operate the starter motor for
periods longer than 15 seconds. Excessive use of
the starter motor will discharge the battery and could
damage the starter motor.
3. Remove the hose to the inlet of the raw water
pump, and t a suitable hose to the inlet of the
pump and put it into the container of antifreeze.
Close the seacock. Disconnect the electrical
stop control and operate the starter motor for 15
seconds until the antifreeze has been circulated
through the raw water system into the empty
container.
4. Allow the starter motor to cool and repeat
the operation. During this period, change the
containers around, move the container with the
antifreeze/water solution from the exhaust elbow
outlet (hose end) to the raw water pump inlet
hose.
5. When the antifreeze is mixed thoroughly and has
been circulated through the raw water system,
stop the engine and t the hose connections to
the raw water pump and the exhaust elbow. The
raw water system contains antifreeze and the
engine should not be run until the engine is used
again.
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