Study Aides

As a new employee you are going to be required to learn a lot of information which is going to take a great deal of time and effort. We cannot stress enough how important it is that you begin your studying the day you step on the property, and to continue to do so till qualification and beyond. Take our word for it, you will truly appreciate being prepared for the situations that you will ultimately encounter on the job.Below is a list of, (not links to) some of the important topics that you will need to know.

Basic Signal Definitions, Terms & Lingo

R.W.P. (Roadway Worker Protection)

Rules

Grounds

Air Pressure

Jumpers

Indication Magnets

Detector Magnets and Lock Relays

Signal Lever locks / Approach Stick Relays

Picking Traffic (Relay & Mechanical)

Switches (types & where found)

Interlockings/Control Machines (who controls where)

Signal Aspects & Indications

Track Circuit Types & Readings

Battery & Rectifiers

Cell Voltages

Case load, charging rate and rectifier output(CL+CR=RO)

Set up - Constant current / Constant volt rectifiers

Counting Cable Conductors

Megger Readings & How To

Special Instructions & Time Table

All of the information for the above is available whether it be provided by the carrier or by a fellow brother. As stated previously this page is a work in progress. If you see any errors, or have any input please email us with your suggestions.

This is only the beginning!

Much of the information below is no longer applicable and will be moved in the future.

Signal Lever Problem

How far does lever move?

Not at all

Lever moves over

Mechanically locked. Check route: switch, signal & traffic levers.

Is green eye lit?

Yes

Yes but signal in field more restrictive than normal

Are all track circuits in?

No

Yes

Trouble shoot track circuit.

Is next signal displayed?

No

Yes

Pull off that signal.

Write down route

Is L or R light on model 14 lit?

No

Yes

Reset Lever - (TS)

If reset doesn’t work.

Is screw release normal?

No

Yes

Normal screw release

Is panel blocking on?

Yes

No

Turn off panel blocking

Try signal on a punch

Signal comes in

No signal

Check track circuits

Out

In

Trouble shoot track circuit.

Write down route

Check KELR

Trouble shoot signal control circuit.

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