. Operation of trains and station work and telegraphy . OLD PRESENT 51. The filling valve and cover (65) (89) are attachedby removing the cover (89) from the valve (65) andbolting valve to the bracket. This is done by opening-port covers P and T, unscrewing and removing packingnut R (but set screw B should not be unscrewed norshould valve stem nut M be loosened), screws (148) are HEATING AND LIGHTING CARS 139 taken out and Xo. 89 is held to the back flange of theXo. 65 valve and the threaded end of the valve is rappedon a block of wood.

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Keywords: ., bookcentury1900, bookdecade1910, bookidopera, booksubjecttrainmen