. A textbook on the locomotive and the air brake . brake valve,and may be removed before starting the pump, for the purposeof dropping a little oil on the seat of valve 114- to lubricate itand make handle 123 work easily. 59. Figs. 16, 17, and 18 are external views of the rear endand the two sides, respectively, of the engineers brake valve.The projection W and nut 98 enclose the excess-pressurevalve 97, shown in Fig. 19. Fig. 19 is a cross-section (rear view) taken through the feed-valve on the line a, h, Fig. 23. The cap nut 98 is made longand hollow to receive excess-pressure spring 90. The Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-textbook-on-the-locomotive-and-the-air-brake-brake-valveand-may-be-removed-before-starting-the-pump-for-the-purposeof-dropping-a-little-oil-on-the-seat-of-valve-114-to-lubricate-itand-make-handle-123-work-easily-59-figs-16-17-and-18-are-external-views-of-the-rear-endand-the-two-sides-respectively-of-the-engineers-brake-valvethe-projection-w-and-nut-98-enclose-the-excess-pressurevalve-97-shown-in-fig-19-fig-19-is-a-cross-section-rear-view-taken-through-the-feed-valve-on-the-line-a-h-fig-23-the-cap-nut-98-is-made-longand-hollow-to-receive-excess-pressure-spring-90-the-image375790717.html
RM2CRAMW1–. A textbook on the locomotive and the air brake . brake valve,and may be removed before starting the pump, for the purposeof dropping a little oil on the seat of valve 114- to lubricate itand make handle 123 work easily. 59. Figs. 16, 17, and 18 are external views of the rear endand the two sides, respectively, of the engineers brake valve.The projection W and nut 98 enclose the excess-pressurevalve 97, shown in Fig. 19. Fig. 19 is a cross-section (rear view) taken through the feed-valve on the line a, h, Fig. 23. The cap nut 98 is made longand hollow to receive excess-pressure spring 90. The
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