Recover penalty as per crew message,
If not successful try by recycling MAB.
Procedure for Recycling Micro Air Brake
Breaker (MAB / CCBSB)
·
Secure Control Stand.
·
Switch Off Computer Breaker.
·
Switch Off MAB Breaker.
·
Wait For 30 Seconds.
·
Switch On MAB Breaker.
·
Switch On Computer Breaker.
- Recover penalty as per crew message
Note: In ALCO
locos, Re-cycle only CCBSB breaker.
If not successful
Open CCB Cover and Ensure all
Connections are Intact.
Check fault code and other
indications.
If fault code starts with 6, 7 or 8
conduct Air brake Self Test, otherwise contact shed.
Procedure for conducting Air brake
self test
Secure
Control Stand.
Secure Loco
& Formation with skids & Hand Brakes to prevent rolling.
Close MR2
‘J’ filter COC, drain MR2 ‘J’filter, Open MR2 ‘J’filter COC
Open BC
Eq. COC, drain any trapped pressure & close BCEq. COC
Ensure MR
Pressure above 8 Kg/Cm2 .
Close BP,
FP, MR, BC Equalizing COC’s at Both End & ensure no leakages.
On Working
Control Stand, keep L/T Switch in ‘LEAD’, A9 in RUN & SA9 in RELEASE.
On
Non-working Control Stand, keep L/T switch in ‘TRAIL’, A9 in FS & SA9 in
FULL Application.
Press Main menu - Select Self Tests - Select Air
Brake Test screen.
Ensure Set
up conditions for Air Brake Self Test & start test
Self test will start - Wait Till completion
of test.
If “Successful Test Completed No
Defects Found” message is displayed Press Exit.
Recover Penalty as per crew message.
Open BP/ FP COACs, MR, BC Equalizing
COCs, after BP and BC charging remove skids / hand brakes & resume normal working.
If “Self Test failed” message is displayed.
Ensure Preparation & correct
procedure and repeat Self Test in same control stand
If failed again, change Control
Stand and conduct Self Test.
If failed, contact shed with CCB
Fault code along with other indications.
