Document X7xL8BnODd7Xk7Kv2nBQM1OJ

BEARING FAILURES --' - C----* *">20 stray heal, helps against corrosion. sealing and protects How Mirth lubricant? How lubrfes lion affects friction of a rollln8<onuei bearing depends on what kind of bear !ng *B have in mind. Remember that commercial bearings are available cost ]ng only one-fourth to one-siith as much at the well-known precision type. These may be used for lighter loads and slower speeds. Lower cost comet from greater tolerances, lack of retainers or hall spacers, etc. The research boys have found that a precision bearing will show slight greater friction when lubricated than when dry. But fust the opposite may be true for tho low-cost type, where lube helps cut the greater sliding friction at the start. Generally, though, precision bearings are the type used In electric motors. In either esse, friction is lowest when hut a thin film of oil covers con tacting surfaces. Meet the TITUSVILLE Boiler Family 112 MARMADUKE tnm nn >U *`01(1 chief Drummerhauser barged la about then with his assistant in tow. Joke ra as gay as a (ark and felt ail hopped up. about the way I had pre pared for this job. When ! told him our trouble, he turned purple around the gills and let out a blast beard acrou the bay in Alameda. " `What stupid jaekasa caused ibis mess?' he roared, the words almost choking him. MAfter blowing a few gaskets he threatened. Til see tho dirty bum gets a year Jo Aleairai tor planning to wreck a public utility.' "By then bis smart young assistant was checking the condenser tube order in the office. And what do you think be found? Why, he discovered that the chief himself made that mistake, that's who. Evidently Jake had gotten the tube information from the wrong condenser blueprint. " `Hero It U In block and white,' said the assistant, showing the boas the order. Right then old Drummerhauser blew his one remaining gasket. He sank lowly down on a condenser tube pack ing box and wiped the beads of per spiration from his forehead. All the steam was out of him by then. He just eat there, wilted, like a dry boiler tube in a live furnace. * *0n your toes, gang,' I ordered. `Back to the machine shop. I've been in worse hurricanes lhao this without (Continued on page 224), town otctMin its "Indianapolis Power & Light Company's Targe new White River plant uses Shell Alvania Grease on every one of these grease applications!" Cool Polveriiers "Vk IK* i--6 Distal locomotive Check' the multiple qualities < of this remarkable lubricant Yard Iqdtpmeat Shell Alvania Grease is effecting Important improvements in plant maintenance and purchating prac tice. In plant after plant, this one grease is replacing the many special purpose greases formerly used . . . for every grease application in fhe plantt look ot these adventages: I. Shell Afvanfa Grease flows freely in cold temperatures, yet will not run out of bearings under ex cessive heat. 2. Ideal for wet, humid applica tions ... it resists water emulsifi cation. 3. Shell Alvania Grease has ex tremely high oxidation stability. 4. You'll find that Shell Alvania Grease extends time between greas ings ... a substantial saving in labor and grease. 5. Simple Inventory . . . just the one grease to stock and apply. The economy of handling ]utt one greate instead of many la an established fact. Write for the new booklet on 8he1l Alvania Grease ... to Industrial Lubricants, Shell Oil Company, SO West SOth Street. New York 20, N. Y.-or, 100 Bush Street, San Francisco 6, Calif. [; SHELL ALVANIA GREASE The True A/luM-Pbrpose /ncfusfr/tyGre&se *OWU OECCMSUl 1933 133