Download - CDTS Presentation Latest

8/6/2019 CDTS Presentation Latest

1/24

1 SCR


2/24

Population of CDTS Coaches

Make BZA

Depot

HYB

Depot

Total

VCW 35 8 43

AIKON 8 44 52

Total 43 52 95

2 SCR


3/24

SNo Nature of defectsNo of

defects

%ge of

defects

1 Bottom slide valve jam with bottles and clothes 945 55.01%

2 Press to Flush not working 102 5.94%

3 No powersupply 91 5.30%

4 Pressurizervalve defective 60 3.49%

5 Inlet valve jam due bottles and clothes 55 3.20%

6 Pressurizer leaking 54 3.14%7 water leaking from commode pan 49 2.85%

8 emergency flush knob defective 45 2.62%

9 Solenoid valve leaking 44 2.56%

10 emergency flush knob missing 38 2.21%

11 Control box doorworked out 36 2.10%12 Control box doormissing 35 2.04%

13 Emergency flush knob leaking 23 1.34%

14 wall protectorpipe defective 22 1.28%

15 Air leaking in panel board 21 1.22%

Contd

Summary ofProblems on CDTS3SCR


4/24

SNo Nature of defectsNo of

defects

%ge of

defects

16 speed sensorwire disconnected 16 0.93%17 Pressurizervalve pipe worked out 14 0.81%18 Control box wires disconnected 10 0.58%19 Feed pipe leaking 10 0.58%20 No watersupply 9 0.52%21 door lock defective 6 0.35%

22 Control panel water leaking 5 0.29%23 inside pipe broken 5 0.29%

24 No airsupply 4 0.23%

25 Solenoid valve missing 4 0.23%

26 CDTS tank bottom loose 3 0.17%27 Converterdefective 3 0.17%

28 Y-1 valve defective 3 0.17%29 Pressurizer tank bracket welding given up 2 0.12%30 Y-1,2 valve defective 2 0.12%31 Inlet valve closing with heavy noise 1 0.06%32 Y-3 valve defective 1 0.06%

Grand Total 1718 100.00%

4 SCR


5/24

Design Problems

Common

5 SCR


6/24

Depth of FlapperValve

Depth from top of commode pan

to throat= 145mm

Depth of flappervalve from throat of

commode pan= 380 mm

6 SCR


7/24

Location ofControl Panel7 SCR


8/24

RubberHose between commode

pan and retention tank

VCW AIKON

8 SCR


9/24

Retention tank Fitment

VCW AIKON

9 SCR


10/24

Pulse Generator

AIKON

VCW

LOCO

10 SCR


11/24

Feed Pipe Supply

11 SCR


12/24

Spring problem of Flush Valve12 SCR


13/24

Emergency button-Bypass valves

AIKON VCW

13 SCR


14/24

Waterpressurizer

VCWAIKON

14 SCR


15/24

VCW - Undergear15 SCR


16/24

Pneumatic pipe connections16 SCR


17/24

VCW-Bottom slide valve Single cylinder

17 SCR


18/24

AIKON- Bottom discharge valve coverrusting

18 SCR


19/24

Double Piston Metallic-Non metallic

19 SCR


20/24

Clogging- Strainer20 SCR


21/24

Maintenance Problems

1. Human excreta at stations/station.

Yard-transferred to pitline

2. Technician-safaiwala3. Requires Heavy maintenance

4. OBHSStaff- training

21 SCR


22/24

Maintenance ProblemsRequires test stands for the following sub-

assemblies

PLC

Converter

Solenoid valve

Flapper Valve

Slide Valve

Pulse generator

Water Pressurizer

22 SCR


23/24

Maintenance Problems

Additional Technical staff and safaiwalas

required Bench marking

warranty period-spares

warranty period-breakdown maintenance &

schedules

23 SCR


24/24

AMC PROBLEMS

The AMC to include-

a. DailyMaintenance- Staff and materials.

b. Spares & Test Stands - both makes

c. Disassembling is to be done in 2 working days during BSchedule- B schedule within 6 hrs

d. Minor Depot as min No of coaches is 32- CDTS coaches may be

formed in rakes separately that too same make . Rake nomination

e. Rooms for each manufacturer - 4 rooms

24 SCR

Download - CDTS Presentation Latest

Top Related