by N340SG
Phil,
I know one of the coupler heater elements was overheating, and in some cases, grounding out. I was told by HMC Gang Foremen that it is the wrong voltage for the heater element involved. The LIRR just disconnected that particular heater in the M-7 cars, pending resolution of the problem by the mfgr.
The cab gimbal lights (reading lights...similar to your reading lights in aircraft pax cabins) burn out on a regular basis. There is a dimmer switch that controls it. As long as the gimbal light is not cranked up all the way, it will last for a while. At full blast, though, the bulbs don't last long. The "fix" drawn up is to put a voltage limiting resistor in the circuit.
Tom
Funny side note: Some uninformed people (employees and commuters alike) used to steal the PAR bulbs that were used in the vestibules of the old diesel equip't for home use. Imagine their surprise when they screwed the 34 volt bulb into a 110 volt socket.
I know one of the coupler heater elements was overheating, and in some cases, grounding out. I was told by HMC Gang Foremen that it is the wrong voltage for the heater element involved. The LIRR just disconnected that particular heater in the M-7 cars, pending resolution of the problem by the mfgr.
The cab gimbal lights (reading lights...similar to your reading lights in aircraft pax cabins) burn out on a regular basis. There is a dimmer switch that controls it. As long as the gimbal light is not cranked up all the way, it will last for a while. At full blast, though, the bulbs don't last long. The "fix" drawn up is to put a voltage limiting resistor in the circuit.
Tom
Funny side note: Some uninformed people (employees and commuters alike) used to steal the PAR bulbs that were used in the vestibules of the old diesel equip't for home use. Imagine their surprise when they screwed the 34 volt bulb into a 110 volt socket.