Kirkman, Marshall Monroe, 1842-1921 · New York, Chicago, The World Railway Publishing Company · leaf 54
LOCOMOTIVE APPLIANCES. 46 tional safety, the speeial relief valve shown sectioned in the accompanying cut, Fig. 7. ~-n^ This relief valve is set at 50 jpiKjjl pounds and is for the purpose of … load on spring by unscrewing the Fig. 7. Special Automatic set-screw (G). Then loosen set- Eelief Valve. screw (Y), and unscrew the casing. To set valve at a higher pressure: Screw set-screw (G) down; at a lower pressure, screw set-screw up. To regulate pop: The pop or action of the escaping steam…
Railroads · Transportation
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