Warning notice regarding the use of 'Kleanwell' radiator cleaning solution on vehicles with aluminium cylinder heads.
| Identifier | ExFiles\Box 66a\4\ scan0278 | |
| Date | 1st June 1928 | |
| [Handwritten]: X8250 To Hm. {Capt. W. Hallam - Head Repairs} - for cirulation to all Depots. from Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} Hs {Lord Ernest Hives - Chair} /Rn {Mr Robinson} 1/LG1.6.28. USE OF RADIATOR CLEANING SOLUTION. [Handwritten]: X8250 / +4681 It should be noted that with the introduction of the aluminium cylinder head, 'Kleanwell' should in no circumstances be circulated in the water system as a whole, as it will actively attack aluminium. In such cases, the radiator of the car must be removed and treated separately, being thoroughly washed before replacing. Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).