. Electric railway journal . uring sleet and snow storms two addi-tional springs with a cam arrangement are applied to thecontact shoes during the winter season. By the use ofthis cam arrangement an additional 100 lb. pressure isobtained on each shoe. These cams are throAvn to theirpressure position by a socket wrench whenever occasiondemands the additional pressure. On overhauling, all parts are carefully examined andexcessively worn parts are replaced. Shoe fuses areremoved and the hand screws are turned back and forth,to make certain they work easily. After all parts areput in proper condit
. Electric railway journal . uring sleet and snow storms two addi-tional springs with a cam arrangement are applied to thecontact shoes during the winter season. By the use ofthis cam arrangement an additional 100 lb. pressure isobtained on each shoe. These cams are throAvn to theirpressure position by a socket wrench whenever occasiondemands the additional pressure. On overhauling, all parts are carefully examined andexcessively worn parts are replaced. Shoe fuses areremoved and the hand screws are turned back and forth,to make certain they work easily. After all parts areput in proper condition the shoes and wiring on thetrucks are tested with 2,500 volts to ground. Original Trucks Still in Good Condition The motor and trailer trucks under the MP-41 and!MB-45 class of cars are still in good condition and prac-tically no changes have been made from the originaldesign. Of course parts have become worn and havebeen replaced from time to time and a considerable-number of transom channels have been replaced, due toi. THE turntable AND HOISTS SAVE TIME INWHEEL TURNING June 5, 1920 Electric Railway Journal 1143 cracking. Some equalizers have been changed on bothmotor and trailer trucks due to their becoming chafedby the truck frame and journal box pedestals. On fifty of the motor passenger-baggage cars thereare riveted to the front and back crossbar of trailertrucks two U-shaped iron pieces w^ith suitable holes formounting a 6-in. x 6-in. x 8-ft. 4-in. wooden beam,which carries a snow flanger on each end. The loweredge of this flanger is 17 in. vdde and is set 2i the running rail and extends outside so that theflanger clears the third rail and protection board. Theseflangers clean the snow from between the third rail andrunning rail and are put on each fall, when the pilotsare removed to permit their installation. Equipment op Car Body Is Overhauled at SameTime as Trucks The switch groups used on all Long Island cars areWestinghouse type 250, which are electro-p
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