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Reverser er en betjeningsenhed, typisk et håndtag, der bruges til at indstille bevægelsesretningen for et motoriseret jernbanekøretøj - fremad, baglæns eller neutral. Sidstnævnte adskiller typisk hjulene fra drivlinjen helt.Baglæns bør aldrig betjenes, når et køretøj er i bevægelse, for at undgå katastrofale skader på drivaggregatet. Af samme grund skal gas- og dynamiske bremser typisk kobles fra, for at vendegearet kan betjenes.
Reverser er en betjeningsenhed, typisk et håndtag, der bruges til at indstille bevægelsesretningen for et motoriseret jernbanekøretøj - fremad, baglæns eller neutral. Sidstnævnte adskiller typisk hjulene fra drivlinjen helt.Baglæns bør aldrig betjenes, når et køretøj er i bevægelse, for at undgå katastrofale skader på drivaggregatet. Af samme grund skal gas- og dynamiske bremser typisk kobles fra, for at vendegearet kan betjenes.
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Vehicles equipped with a reverser can run both forward and backward with equal capacity, and are even equipped with {{pll|Headlights & Cab Lights|lights}} on both ends for this purpose. Depending on the vehicle design, the only difference when changing orientation can be in driving visibility, and {{pll|Powertrain Overheating|cooling behavior}}.
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Reversers should never be operated when vehicles are in motion, to avoid {{pll|Mechanical Powertrain Damage|catastrophic damage to the powertrain}}. For the same reason, to operate the reverser, {{pll|Throttle|throttle}} and {{pll|Dynamic Brake|dynamic brakes}} need to be disengaged.
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On steam engines, the equivalent of the reverser is called cutoff. It is a bit more complex in that it determines the steam intake duration per cylinder cycle.
On {{pll|Steam Overview|steam engines}}, {{pll|Cutoff|cutoff}} is the closest feature to a reverser, albeit with more functionality.
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{{See also|Throttle|Dynamic Brake|Cutoff|Steam Drivetrain|Traction Motors|Hydraulic Transmission|Mechanical Transmission}}
[[Category:Powertrains|3]]
[[Category:Powertrains|2]]

Revision as of 16:47, 12 March 2025

Reverser er en betjeningsenhed, typisk et håndtag, der bruges til at indstille bevægelsesretningen for et motoriseret jernbanekøretøj - fremad, baglæns eller neutral. Sidstnævnte adskiller typisk hjulene fra drivlinjen helt.Baglæns bør aldrig betjenes, når et køretøj er i bevægelse, for at undgå katastrofale skader på drivaggregatet. Af samme grund skal gas- og dynamiske bremser typisk kobles fra, for at vendegearet kan betjenes.

Vehicles equipped with a reverser can run both forward and backward with equal capacity, and are even equipped with lights on both ends for this purpose. Depending on the vehicle design, the only difference when changing orientation can be in driving visibility, and cooling behavior .

Reversers should never be operated when vehicles are in motion, to avoid catastrophic damage to the powertrain . For the same reason, to operate the reverser, throttle and dynamic brakes need to be disengaged.

On steam engines , cutoff is the closest feature to a reverser, albeit with more functionality.