Comeng Flashcards
(36 cards)
Where are cab C/bs?
Right and above
What step should the brake handle be in for continuity?
Step 7
When do we do a bell test?
For multi preps and pre departure. BP to drop below 425
What does the BP test switch do?
Activates BP reduction to prove continuity on a pre movement or revenue prep
What does the Red ec do?
Isolates primary safety equipment
Trip
Emy application valve
Control gov
Hand foot
Anti neutralisation device
Vicers activation valve
If the red ec is turned what do you need to do to drive the train?
ISO Vicers
Foot set
CG bypass every 30 sec
DC supply lights tells us what?
110vdc is present
Overhead power
Train cable energised
1 MA is on
Is the DDU active with BVICS closed?
No
Why key to iso motors?
Controller
Where is the PLC?
Above door 3 m+t cars
PLC provides power to? 7
Door chimes
Door indicator lights
Door close delay
Door loop bypass
Secondary release
Foot pilot
CG bypass button
What indication do you get if the PLC is tripped?
No door indications
Traction inhibited
Components of door system fail
What can cause the PLC to trip? 4
Second BVICS
AUX cb tripped
Train cable issue
Defective coupler sensor
How to reset Vicers ?
BP to below 25
Stationary 10 sec
Press Vicers
Where is whistle iso cock?
Foot well
Vicers timing?
Press within 5 seconds of buzzing
How do you do a continuity test
Leave BVICS open
Step 7
In trailing cab open van area cock for 15 sec for BP to drop below 300
Close and needs to recover to 425 in 40sec
What do you do if MAs don’t start?
Local ma button
Traction over load reset
Button on MAs
Isolate a door?
Just open thing and zip tie
No CBs
Sticking breaks in running
Check air pressures
Listen for air in charging valve
Trip ep and full service air brake and realse
Check for retardation and smoke
Sticking breake when stationary
Check air pressures
Fan ep brake between 7 and run and release
Apply min power and shit off to roll
Feel for retardation
Rolls free? Yay
Doesn’t then book as per FMP
determine if it’s park brake or bogie
Can a Comeng train be in revenue service with both bogies iso on the lead or trailing motor?
No
MR pressure?
585-725
BP pressure?
550