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condensation that has formed External unpainted parts should be
wiped with an oil rag and external controls, etc.. lubricated.
(d) Preservation
Engines remaining idle for more than a month may corrode, and as
serious damage may result it is recommended that they be preserved
as follows:
(i) Drain the sump. flush out with flushing oil and refill with the
appropriate grade of Shell lubricating oil which will provide
internal protection (Alternatively, a lubricating oil with
preservative properties will be recommended by a local oil
distributor.)
(ii) Drain the fuel tank and filter and refill with approximately 1 pint
(0.57 litres) of Shell Fusus oil or Calibration Fluid C Bleed and
prime the fuel system and run the engine on light load for five
minutes The fuel system is now adequately protected
(iii) Drain and flush the cooling system
(iv) The air inlet and exhaust manifolds should be sealed against the
ingress of moisture
(v) Protected engines require no attention before use other than
removing the sealing covers and adding fuel
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