Chapter 7 35943
Page 38
16. Remove the alternator drive belt and put it into storage.
17. In order to prevent corrosion, spray the engine with POWERPART Lay-Up 3. Do not spray the area inside
the alternator cooling fan.
Caution: After a period in storage, but before the engine is started, operate the starter motor with the stop
solenoid disconnected until oil pressure is indicated. Oil pressure is indicated when the low pressure warning
light is extinguished. Connect the stop solenoid.
18. 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 coolant to the raw water system for engine preservation purposes
Before coolant 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 open top of the raw water strainer.
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 coolant.
2. Remove the hose from the raw water connection on the exhaust elbow and put the end of the hose into
one of the containers.
3. Remove the cover from the top of the raw water strainer, and with the seacock closed, add some coolant
through the open top of the raw water strainer. Start the engine and run the engine at idle speed, then
continue to add the remainder of the coolant through the open top of the strainer.
4. Operate the engine for several minutes. During this period, change the containers around, pour the
coolant/water solution from the container at the outlet (hose end) into the strainer.
5. When the coolant is mixed thoroughly and has been circulated through the raw water system, stop the
engine. Fit the top of the raw water strainer.
6. Connect the hose to the raw water connection on the exhaust elbow.
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