. Locomotive engineering : a practical journal of railway motive power and rolling stock . other). Fairly rapid stroke, but low effectivecapacity (pumps little air). cylinder andct effect versing-valve ■ the E i5-pin (50)iee page 7); the small nutmain valve being loose (see being obstructed (see page t(5S)\ This may be due to lack of oil in thesteam valves (especially the reversing- (see page S); loose nut on top of mainsteam-valve (see page 7); badly wornpacking-rings in main steam-valve, or re-vcrsing-piston; or sometimes excessivewear of the reversing-valve plate (18);(see page q). It may b
. Locomotive engineering : a practical journal of railway motive power and rolling stock . other). Fairly rapid stroke, but low effectivecapacity (pumps little air). cylinder andct effect versing-valve ■ the E i5-pin (50)iee page 7); the small nutmain valve being loose (see being obstructed (see page t(5S)\ This may be due to lack of oil in thesteam valves (especially the reversing- (see page S); loose nut on top of mainsteam-valve (see page 7); badly wornpacking-rings in main steam-valve, or re-vcrsing-piston; or sometimes excessivewear of the reversing-valve plate (18);(see page q). It may be a pounding of the steam-vatves, air-valves, or main piston which will allow the main piston viii ■■pound. This may result from tootightly fitted steam-valves or rings, orrings 100 loose, either causing sluggish in the steam cylinder-valves; badly worn re-versing-valve plate or stem ; or too long a A pump may also pound if the air- This erally be detected by a careful examina-tion of the suction ports, to see whether theair is drawn in property at the very begin-. a saying that i: heat, especially in s in regulating the soil supply. An 1 pound of of the o appli- in this pump will wear ttany pump, and afterf service the cylinders wi by a blow at the steam exhaust or;able reduction in the efficiency of tl ; will also be an aggra\ Lender hbyt ing rings. Let us repeat here v pumps, that nothing will cause a pump Vheat so badly as leaky packing rings or toimuch clearance in the air cylinder. I troke s^ trouble from heating. the reversing v8), and platesamined to see i The Pennsylvania Railroad people sonyears ago began putting the sandbosfor locomotives under the running boardthe idea being that there would be less o on the boiler. The t hing has not well, however, audit & likely that sandboxes wiU be pu on the boile difficulties that bring bout thecha dampness, and the san d forming in core in the bottom 0 the tupere A curious thing has been discov sandboxes.
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Keywords: ., bookcentury1800, bookdecade1890, bookidlocomotiveen, bookyear1892
