Quantcast Test Procedures for Locomotive Type 26 Series

 

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TEST PROCEDURES FOR LOCOMOTIVE TYPE 26 SERIES
1. Release the independent brake and confirm brakes on all units have been released.
2. Make a 10 psi brake pipe reduction with the automatic brake valve, and confirm brakes have
been applied.
3. Move brake valve cut-out valve to OUT position and wait one minute.
BP leakage shall not exceed 5 psi/min.
q
Equalizing reservoir shall not show any leakage.
q
4. Move automatic brake valve to minimum reduction.
Equalizing reservoir build up not to exceed 1 psi/min.
q
5. Depress independent brake valve handle (4 sec./unit).
Confirm brakes have been released.
q
6. Move the brake cut out valve to the IN or FRT position.
7. Make additional brake pipe reduction.
Confirm brakes have been released.
q
8. Move throttle to #3 position.
Engine RPM increases.
q
9. Move automatic brake valve handle to EMERGENCY.
Brake pipe pressure drops to zero.
q
Brake cylinder pressure increases.
q
Power control light comes on.
q
Engine RPM reduces to idle.
q
10. Depress independent brake valve (4 sec./unit).
Confirm brakes have been applied.
q
11. Release independent brake valve handle.
Confirm brakes have been reapplied.
q
12. Move throttle to idle position.
13. Wait one minute.
14. Move automatic brake valve to RELEASE.
q Brake pipe pressure restored.
q Power control light goes out.
15. Confirm brakes have been released.
q Recharge brake system.
16. Move auxiliary emergency brake valve to EMERGENCY.
q Confirm brakes have been applied.
17. Restore automatic brake valve to the release and running position.
q Confirm brakes have been released.
18. Move independent brake valve to FULL APPLICATION.
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