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Current Order No. 75 - Issued February 1944. |
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| Treatment of the 3.7 cm. | ||||||||||||||||||||||||||
| In order to maintain the highest possible measure of safety in operating the 3.7 cm. Flak M 42 U-boats at sea must endeavour to act as follows: | ||||||||||||||||||||||||||
| 1) Each time after surfacing the parts of the gun should be inspected and treated inside and outside with ZDM 26. | ||||||||||||||||||||||||||
| 2) In order to protect the cartridge chamber, practice cartridges are to be greased without fail. | ||||||||||||||||||||||||||
| 3) In cases where non-tracer ammunition is used, daily exercises should be carried out, otherwise, as soon as the situation permits. | ||||||||||||||||||||||||||
| 4) After firing for a considerable period, the whole mechanism should be thoroughly cleaned and greased. | ||||||||||||||||||||||||||
| Translated by C/W Watson | ||||||||||||||||||||||||||
| C/W Robertson | ||||||||||||||||||||||||||