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).
Method for checking and regaining preload on pinion bearings.
| Identifier | ExFiles\Box 102\4\ scan0164 | |
| Date | 10th September 1937 | |
| DIMENSION A SHOULD BE 0 TO .001" MORE THAN B. BEARING MUST NOT HAVE SLACK. METHOD OF CHECKING PRELOAD ON PINION BEARINGS L.H. VIEW SHOWS MEASUREMENT OF ASSEMBLED WIDTH OF OUTERS. R.H. VIEW SHOWS MEASUREMENT OF WIDTH OF OUTERS AFTER INNER RACE HAS BEEN REMOVED. TO BE DONE AT R & M.{Mr Moon / Mr Moore} TO REGAIN PRELOAD IN A BEARING THAT HAS DEVELOPED SLACK, GRIND NECESSARY AMOUNT AT X OFF JOURNAL OUTER, ENSURING BY MICROMETER MEASUREMENT OF Y THAT METAL HAS BEEN REMOVED UNIFORMLY. ROLLS-ROYCE, LTD. PRINT ROOM 10 SEP 1937 DERBY. RM.{William Robotham - Chief Engineer}444 | ||