. Science of railways . Fig Valve Stem Packing Rioes. only required to make a smaller cone D, and addnew packing rings. Fig. 5 shows the babbit rings for one valve stem, LOCOMOTIVE APPLIANCES. 385 turned up to proper size, ready for application. Incase it is not convenient to disconnect the valve stem,the rings may be sawed in half, and applied in thismanner. In applying new rings to either the pistonrods or valve stems, be sure that all joints are L. & K. Packing Applied to Piston Rod A—Back Cylinder —Stuffing Box —L-Ring, forming grooves for
. Science of railways . Fig Valve Stem Packing Rioes. only required to make a smaller cone D, and addnew packing rings. Fig. 5 shows the babbit rings for one valve stem, LOCOMOTIVE APPLIANCES. 385 turned up to proper size, ready for application. Incase it is not convenient to disconnect the valve stem,the rings may be sawed in half, and applied in thismanner. In applying new rings to either the pistonrods or valve stems, be sure that all joints are L. & K. Packing Applied to Piston Rod A—Back Cylinder —Stuffing Box —L-Ring, forming grooves for —Gland. F—Packing Segments F-1—Feeding tongues on pack-ing segments. G—Split cast-iron re-enforcingring. L. & K. METALLIC PACKING This is a packing which in design, workmanship and mate-rial possesses great longevity, produces little fricition, yetforms a perfect joint between itself and the rods, and is notaffected by a high degree of heat or speed. 386 LOCOMOTIVE APPLIANCES. The gland used with the Lr & K packing is made entirelyof cast iron and consists of five parts as follows: Stuffingbox bushing B; L-ring C, which forms the grooves; outsidegland D, and two split cast iron re-enforcing rings G, heldtogether by steel retaining springs H.
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