DCPM and EHPM

Question 1

Can you use a Dual Control Point Machine without the authority of the Controlling Signaller or Train Controller?

Answer 1

No

Question 2

What is the purpose of a Dual Control Point Machine?

What are the two levers on a DCPM? What are their positions?

Answer 2

*Enable the points to be either operated remotely by a Signaller or (in case of failure) by either a Driver or competent employee acting under instruction

1. Selector= HAND or MOTOR
2. Hand throw lever= NORMAL and REVERSE(diverging track)

Question 3

DCPM
What is the purpose of the selector lever’s HAND position?

Answer 3

*to prevent remote control in the the event of a failure
*to protect the train by holding the signals at STOP

Question 4

Must a driver be instructed to operate Hand locking bars?

Answer 4

Yes

Question 5

What is the purpose of an Electro Hydraulic Point Machine (EHPM)?

Answer 5

Enable the points to be operated either remotely by the Signaller or, in the case of failure, by a Driver or competent employee acting under instruction

Question 6

What controls does a EHPM have?

What three positions does the directional control lever have?

Answer 6

*Power/Manual switch
*RED directional control lever
*Pump handle socket with pump handle

NORMAL, CENTRE, REVERSE

Question 7

How must the Driver secure the EHPM after use?

Answer 7

*Move the pump handle to the VERTICAL position
*Leave the POWER/MANUAL switch in MANUAL
*Close and lock the lid
*Apply the hand locking bar

Question 8

Can you place an EHPM back to POWER after use, or remove the a locking bar or point clip?

Answer 8

NO, only a Signal Maintenance Technician can

Question 9

Where can drivers be asked to manually operate a EHPM?

Answer 9

Cranbourne siding

Question 10

What do Hand locking bars, or Point clips do?

Answer 10

Secure the points