Comeng Train Preps

Question 1

For Modified Full cab inspections for Pre-movement/ revenue preps, before conducting functionality tests, (rather than testing all equipment in the cab), the driver is only required to check what and which and in which cabs?
See Page 11 session 14

Answer 1

The Brake pipe test button & whistle (only in trailing cab)

• BP test switch to normal
• press bell button to ensure BP pressure remains at operating pressure
• switch BP test switch to test
• press and hold bell button to ensure BP pressure reduces to below 425kPa & listen for the charging valve to flow air into BP & the BP air to escape to atmosphere
• release bell button & ensure BP pressure returns to operating pressure

Question 2

What preps are required during a Post Maintenance and Mainline prep?

Answer 2

Visual inspection (all M cars)
External inspections (all cars)
Full cab inspection (Post Maint. - all M cars
Mainline - lead and trailing
M cars)
(Full cab inspection means all functionality & safety tests)
Safety tests (VICERS & Trip tests)
Continuity test
Pantograph test

Question 3

What type of preps are required on a Pre-Movement/ Revenue Prep?

Answer 3

Visual inspections - All M cars
External Inspections - All cars
Modified Full Cab Inspections - Lead & Trailing Motor Car
Panto test

(Functionalities - in training and lead, except Vicers. Trip only needed if going on mainline)

Question 4

What is included in a full cab Inspection ?

Answer 4

Brake test
Hand/ foot Pilot Valve & Control Gov test
VICERS test
Trip test

Question 5

What tests are required on a Modified Full cab Inspection?

Answer 5

Brake test
Hand/ Foot Pilot valve & Control Gov test
Trip test (not required if performing a pre- movement prep if train is not entering the mainline)

Question 6

What are the different functionality tests?

Answer 6

Brake test (EP & AUTO AIR)
Hand/ Foot Pilot valve test & Control Governor test
VICERS test
Trip test

Question 7

What other safety tests are done during preps?

Answer 7

Pantograph test (all preps)
Continuity test - all preps except pre- movement and multi preps.
(Multi prep continuity test is replaced with the BP test switch test in trailing motor)
Trip test
Vicers test (except pre movement/ revenue prep)

Question 8

How to uncouple

Answer 8

1. BUNCH UP PROCEDURE:
   RIGHT - release Local SPB
   LEFT - Release the brake
   RIGHT - Master controller to notch 1
   LEFT - full service brake (step 7)
   RIGHT - reverser to NEUTRAL
   LEFT - BC in EMY
2. Press both uncouple buttons for 5 seconds VERY HARD