Federal Railroad Administration, DOT § 230.90

§ 230.86 Required illumination. § 230.89 Reverse gear. (a) General provisions. Each steam lo- (a) General provisions. Reverse gear, comotive used between sunset and sun- reverse levers, and quadrants shall be rise shall be equipped with an operable maintained in a safe and suitable con- headlight that provides illumination dition for service. Reverse lever latch sufficient for a steam engi- shall be so arranged that it can be eas- neer in the to see, in a clear atmos- ily disengaged, and provided with a phere, a dark object as large as a man spring which will keep it firmly seated of average size standing at least 800 in quadrant. Proper counterbalance feet ahead and in front of such head- shall be provided for the gear. light. If a steam locomotive is regu- (b) Air-operated power reverse gear. larly required to run backward for any Steam that are equipped portion of its trip other than to pick up with air operated power reverse gear a detached portion of its train or to shall be equipped with a connection make terminal movements, it shall whereby such gear may be operated by also be equipped on its rear end with an steam or by an auxiliary supply of air operable headlight that is capable of in case of failure of the main reservoir providing the illumination described in air pressure. The operating valve han- this paragraph (a). dle for such connection shall be con- (b) Dimming device. Such headlights veniently located in the cab of the lo- shall be provided with a device whereby comotive and shall be plainly marked. the light from same may be diminished If an independent air reservoir is used in yards and at stations or when meet- as the source of the auxiliary supply ing trains. for the reverse gear, it shall be pro- (c) Where multiple locomotives utilized. vided with means to automatically pre- When two or more locomotives are vent loss of pressure in event of failure used in the same train, the leading lo- of the main reservoir air pressure. comotive only will be required to dis- (c) Power reverse gear reservoirs. Power play a headlight. reverse gear reservoirs, if provided, must be equipped with the means to § 230.87 Cab lights. automatically prevent the loss of pres- Each steam locomotive shall have sure in the event of a failure of main cab lights that sufficiently illuminate air pressure and have storage capacity the control instruments, meters and for not less than one complete oper- gauges to allow the engine crew to ating cycle of control equipment. make accurate readings from their usual and proper positions in the cab. DRAW GEAR AND DRAFT SYSTEMS These lights shall be so located and constructed that the light will shine § 230.90 Draw gear between steam lo- only on those parts requiring illumina- comotive and tender. tion and does not interfere with the en- (a) Maintenance and testing. The draw gine crew’s vision of the track and sig- gear between the steam locomotive and nals. Each steam locomotive shall also tender, together with the pins and fas- have a conveniently located additional tenings, shall be maintained in safe lamp that can be readily turned on and and suitable condition for service. The off by the persons operating the steam pins and drawbar shall be removed and locomotive and that provides sufficient tested for defects using an appropriate illumination to read train orders and NDE method at every annual inspec- timetables. tion. Where visual inspection does not disclose any defects, an additional NDE THROTTLES AND REVERSING GEAR testing method shall be employed. Suitable means for securing the draw- § 230.88 Throttles. bar pins in place shall be provided. In- Throttles shall be maintained in safe verted drawbar pins shall be held in and suitable condition for service, and place by plate or stirrup. efficient means shall be provided to (b) Safety bars and chains generally. hold the throttle lever in any desired One or more safety bar(s) or two or position. more safety chains shall be provided

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between the steam locomotive and ten- 5⁄16 inch lateral clearance between der. The combined strength of the safe- and guides. ty chains or safety bar(s) and their fas- tenings shall be not less than 50 per- § 230.95 Guides. cent of the strength of the drawbar and Guides shall be securely fastened and its connections. These shall be main- maintained in a safe and suitable con- tained in safe and suitable condition dition for service. for service, and inspected at the same time draw gear is inspected. § 230.96 Main, side, and valve motion (c) Minimum length of safety chains or rods. bars. Safety chains or safety bar(s) shall be of the minimum length con- (a) General. Main, side or valve mo- sistent with the curvature of the rail- tion rods developing cracks or becom- road on which the steam locomotive is ing otherwise defective shall be re- operated. moved from service immediately and (d) Lost motion. Lost motion between repaired or renewed. steam locomotives and tenders not (b) Repairs. Repairs, and welding of equipped with spring buffers shall be main, side or valve motion rods shall kept to a minimum and shall not ex- be made in accordance with an accept- ceed 1⁄2 inch. ed national standard. The steam loco- (e) Spring buffers. When spring buffers motive owner and/or operator shall are used between steam locomotives submit a written request for approval and tenders the spring shall be applied to the FRA Regional Administrator with not less than 3⁄4 inch compression, prior to welding defective main rods, and shall at all times be under suffi- side rods, and components. cient compression to keep the chafing (c) Bearings and bushings. Bearings faces in contact. and bushings shall so fit the rods as to be in a safe and suitable condition for § 230.91 Chafing irons. service, and means shall be provided to Chafing irons that permit proper prevent bushings from turning in the curving shall be securely attached to rod. Straps shall fit and be securely the steam locomotive and tender, and bolted to rods. Floating bushings need shall be maintained to permit lateral not be provided with means to prevent and vertical movement. bushings from turning. (d) Side motion of rods. The total § 230.92 Draw gear and draft systems. amount of side motion of each rod on Couplers, draft gear and attachments its pin shall not exceed 1⁄4 inch. on steam locomotives and tenders shall (e) Oil and grease cups. Oil and grease be securely fastened, and maintained in cups shall be securely attached to rods, safe and suitable condition for service. and grease cup plugs shall be equipped with a suitable fastening that will pre- DRIVING GEAR vent them from being ejected. § 230.93 and rods. (f) Main rod bearings. The bore of (a) Maintenance and testing. Pistons main rod bearings shall not exceed pin 3 and piston rods shall be maintained in diameters more than ⁄32 inch at front safe and suitable condition for service. or back end. The total lost motion at 5 Piston rods shall be inspected for both ends shall not exceed ⁄32 inch. cracks each time they are removed, (g) Side rod bearings. The bore of side and shall be renewed if found defective. rod bearings shall not exceed pin diam- (b) Fasteners. Fasteners (keys, nuts, eters more than 5⁄32 inch on main pin etc.) shall be kept tight and shall have nor more than 3⁄16 inch on other pins. some means to prevent them from loos- ening or falling out of place. § 230.97 Crank pins. (a) General provisions. Crank pins § 230.94 Crossheads. shall be securely applied. Securing the Crossheads shall be maintained in a fit of a loose crank pin by shimming, safe and suitable condition for service, prick punching, or welding is not per- with not more than 1⁄4 inch vertical or mitted.

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