Lotus Service Bulletin - Rust Inhibitors


Lotus Service Bulletin

Class 111
Number 1971/25
Type Twin-Cam Engines
Date 23.4.1971
Title: Rust Inhibitors
Reason: To advise Service personnel on the implications of using rust inhibitors.
Charges: U . K. - Warranty       
EXPORT - Factory     
                - Distributor		 NO
NO
NO
Action: Engines destined for certain markets, in particular Component Build cars, will in future be treated with Rust Inhibitors as foIIows: -
  • Internally - The inhibitor, which is Esso 'Rust Ban' 603 (Part No. A036 K 6024), is inserted through the sparking plug holes, the engine then being rotated by hand to ensure the inhibitor is fully dispersed.
  • Externally - The inhibitor, Esso 'Rust Ban' 394 (Part No . A036 K 6023), is applied to all bare ferrous metal surfaces, including the fly-wheel. When fitting a clutch assembly, ensure that the fly-wheel face is clean and dry.

        NOTE: When the engine is first started, the rust inhibitors
            both internally and externally, will be burnt, This
            process will cause some amount of smoke to issue from
            the exhaust system (internal application) and from the
            engine compartment (external application).
            This smoking is quite normal and wilI disperse as the
            engine is used more and gets warmer.

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