Point Machines

Question 1

When should a driver operate Point Machines?

Answer 1

Only under the instruction of the Train Controller or the Controlling Signaller

Question 2

What is the purpose of Dual Control Point Machines?

Answer 2

To enable the points to be operated either remotely by a signaller, or (in case of failure) by hand by a competent employee

Question 3

What are the levers on a DCPM?

Answer 3

Selector lever
Hand throw lever

Question 4

What two positions does the DCPM selector lever have, and what do they do?

Answer 4

1. MOTOR (prevents manual operation; allows operation remotely. This is the normal position.)
2. HAND (prevents remote operation; holds the signals covering the position at STOP)

Question 5

What two positions does the DCPM hand throw lever have, and what do they do?

Answer 5

1. Normal position (points are set for the main line)
2. Reverse position (points are set for diverging track)

Question 6

What must you do after manually operating a DCPM?

Answer 6

Secure each lever in the required position with a padlock.

Question 7

When would a driver operate a hand locking bar?

Answer 7

Only under the instruction of the Train Controller or Controlling Signaller

Question 8

How do you operate a hand locking bar?

Answer 8

(Be instructed to do so)
(Get Track Access if required)
Ensure the points are lying correctly
Unlock with a 5P key; remove pin
Lift the bar across to rest against the point blade
Insert pin and lock with the 5P padlock

Question 9

What is the purpose of Electro Hydraulic Point Machines?

Answer 9

To enable the points to be remotely operated by a signaller, or (in case of failure) manually by a competent employee

Question 10

When does a driver use EHPMs?

Answer 10

Only under the instruction of the Train Controller or Controlling Signaller

Question 11

What is within the secured box of a EHPM? (3)

Answer 11

The power/manual switch
The red directional control lever
The pump handle socket (with/without pump handle)

Question 12

What does each setting of the power/manual switch of an EHPM do?

Answer 12

Power – allows remote operation
Manual – holds fixed signals at STOP and allows manual operation

Question 13

What are the three positions of the directional control lever on an EHPM?

Answer 13

Normal, centre, and reverse

Question 14

Where are EHPMs located on the Metro network?

Answer 14

Only at Cranbourne sidings

Question 15

Can a driver set a EHPM back to ‘power’ when finished their movement?

Answer 15

No (only a signal fitter can)