HCMT Gaps Flashcards
MR pressure
850 - 1000
Emergency pressure
280 - 460
Max brake pressure
250 - 380
Holding brake pressure
140 - 240
CB’s to disable a train
BETC
Brake control supply
Emergency brake loop power supply
Traction control
Cab activation
What is in the auxiliary power supply container (3)
Auxiliary inverter
Medium voltage box
Battery charger
What is in the high voltage box (2)
HSBC
Harmonic wave detection device
What is in the VVVF cabinet (3)
Two traction motors
Traction control unit
Traction inverter
What is in the ASU (3)
Main air compressor
Air dryers
Air filters
5 cocks under the couple cover from left to right
Uncouple
Towing unit
BP end cock
MR end cock
Horn
Where are the fire extinguishers located
Right of door 3
Mp car #7
B06
Brake supply
B07
Park brake
Safety system isolate switches and button (7)
MR pressure switch
Traction interlock
Zero speed
Trip
Driver safety device
HCS
Get home
When would you turn zero speed (3)
Fault in zero speed system
-operation of doors
-resetting safety loop
-stopping aid
When would you use get home button
Pulse width module failure
Master controller issue and need to gain traction and braking
What MR pressure will deenergise safety loop
600
MR loss TC car (8)
Trip
Emergency
Friction brake
Holding brake
Horn
Air suspension
Driver and ojt seat
Sanders
MR loss TC car what to iso (3)
MR
Trip
Compressor
MR loss DMP (4)
Friction brakes
Park brakes
Air suspension
Sanders
MR loss MP (7)
Friction brakes
Park brakes
Panto
Traction motors
Air suspension
Sanders
APS
MR loss DT (4)
Friction brakes
Park brakes
Air suspension
Sanders
MR loss isolated equipment MP, DMP, DT
Park brakes
MR
If faulty door won’t close what can we do
Pull DER handle to stage 1
20 second wait
Pull to stage 2
Pull door shut
Return DER handle
Isolate door
Procedure for locating faulty door
PA
TEC
Full cab
Remove obstruction
IF NO OBSTRUCTION
DER handle to stage 1
20 seconds
Stage 2
Close door manually
Return DER
Isolate door
How to isolate door (6)
Tri key in isolation port
Turn to isolate position
Observe door button RED
Push door button to confirm
Stickers
Book it
What TMS alert on DER being pulled to stage 1
3
When cab EAD pressed for 10 seconds how long has driver got to Inhibit and how long is it inhibited
10 seconds
5 minites
Substandard beacon read
Train does not recognise some doors
ASDC beacon read failure
Train does not recognise platform side
Faulty door tms level alert
Level 2
What cocks are in the BCM, what is the difference between cars?
TC - brake supply, brake cylinder 1, brake cylinder 2, tread scrubber, sander
All other cars - park brake instead of tread scrub
Purpose of high voltage box
Provide power to traction and auxiliary components
What does medium voltage box do
Maintains the 415ac throughout the train
