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SD70M operator's guide

This is a short guide to operate the SD70M locomotive in the RunOnRails train simulator.

Engine start procedure for lead unit

  1. CONTROL AND FUEL PUMP switch in the control stand is in the ON (up) position.
  2. GENERATOR FIELD in the control stand is in the OFF (down) position.
  3. ENGINE RUN in the control stand is in the OFF (down) position.
  4. ISOLATION SWITCH in the back panel in START position.
  5. Press START SWITCH in the back panel, wait until diesel engine starts up.
  6. Place the ISOLATION SWITCH in the back panel to the RUN position.
  7. Place the GENERATOR FIELD switch in the control stand to the ON (up) position.
  8. Place the ENGINE RUN switch in the control stand to the ON (up) position.
  9. Configure the BRAKE PIPE CUTOFF in the command board to the FREIGHT or PASSENGERS position as required.
  10. Move the DYNAMIC BRAKE switch in the control stand to the ON (up) position.
  11. Move the DYNAMIC BRAKE switch in the back panel to the CUT IN position.

Engine start procedure for trailing units

  1. CONTROL AND FUEL PUMP switch in the control stand is in the OFF (down) position.
  2. GENERATOR FIELD in the control stand is in the OFF (down) position.
  3. ENGINE RUN in the control stand is in the OFF (down) position.
  4. ISOLATION SWITCH in the back panel in START position.
  5. Press START SWITCH in the back panel, wait until diesel engine starts up.
  6. Place the ISOLATION SWITCH in the back panel to the RUN position.
  7. Move the DYNAMIC BRAKE switch in the control stand to the ON (up) position.
  8. Move the DYNAMIC BRAKE switch in the back panel to the CUT IN position.
  9. Move the INDEPENDENT BRAKE lever to RELEASE position.

Check the command board:

Engine stop procedure for all units

  1. Press EFCOS/ENGINE STOP in the back panel.
  2. Place the ISOLATION SWITCH in the back panel to the STOP position.
  3. Place all switches in the control stand to the OFF (down) position.
  4. Move THROTTLE lever to IDLE.
  5. Move REVERSER handle to NEUTRAL.
  6. Move the INDEPENDENT BRAKE lever to FULL position.
  7. Move AUTOMATIC BRAKE lever to HOLD OFF (HO) position.
  8. Move the BRAKE PIPE CUTOFF in the command board to TRAILING (TRL) position.

Start the train

With the REVERSER handle centered, mechanical interlocking prevents movement of the THROTTLE and DYNAMIC BRAKE handle.

Automatic brakes

This locomotive is equipped with the 26-L Westinghouse automatic air brakes. This is a standard braking equipment.

Stop the train with automatic brake application

Automatic brake release

Emergency brake

To apply emergency brake, move the AUTOMATIC BRAKE lever to EMERGENCY position (full forward).

To recover from an emergency application:

  1. Move THROTTLE lever to IDLE position.
  2. Move REVERSER handle to NEUTRAL.
  3. Move AUTOMATIC BRAKE lever to SUPPRESSION (SUP) position.
  4. Wait for at least 1 minute.
  5. Move AUTOMATIC BRAKE lever to RELEASE.