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Air Brake Performance Test Study Cards
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CHANGING ENDS: (CUTTING-OUT)
5 STEPS
1. INDEPENDENT BRAKE
FULL APPLICATION,
REVERSER
REMOVED AND STORED
2.
FULL SERVICE
on AUTOMATIC BRAKE, verify exhaust stops.
3.
CUT OUT
AUTOMATIC BRAKE and set to
HANDLE OFF
.
4.
CUT OUT
INDEPENDENT BRAKE and set to
RELEASE
.
5. Position other switches to
TRAILING
position.
CHANGING ENDS: (CUTTING-IN)
4 STEPS
1. INDEPENDENT BRAKE to
FULL APPLICATION
and
CUT IN
.
2. Position switches to
LEAD
.
3. AUTOMATIC BRAKE to
RELEASE
and adjust
REGULATING VALVE
.
4.
CUT IN
AUTOMATIC BRAKE.
LOCOMOTIVE CONSIST BRAKE TEST
5 STEPS
1. INDEPENDENT to
RELEASE
and confirm release of brakes.
2. INDEPENDENT to
FULL APPLICATION
and confirm brakes apply, then place brakes in
RELEASE
.
3. Confirm release, make a
10 PSI REDUCTION,
after exhaust stops
CUT OUT
.
4. Check brake pipe leakage for
1 MINUTE
, no more that
5 PSI
.
5. Confirm brakes apply,
ACTUATE
brake cylinder, confirm brakes
RELEASE
.
STANDING LOCOMOTIVE TEST
3 STEPS
1. INDEPENDENT to
FULL APPLICATION
2. Position
REVERSER
3. GENERATOR FIELD to
ON
, THROTTLE TO
# 1
.
RUNNING LOCOMOTIVE TEST
4 STEPS
1. Begin movement. INDEPENDENT into
APPLICATION ZONE
; note cylinder pressure, and retarding effect.
2. INDEPENDENT to
RELEASE
, not dropping cylinder pressure and retarding is eliminated.
3. Make
15 PSI
reduction on AUTOMATIC; note cylinder pressure and retarding.
4.
ACTUATE
INDEPENDENT; note cylinder pressure drops and retarding effect is eliminated.
ADJUSTING EQUALIZING RESERVOIR
4 STEPS
1. AUTOMATIC to
RELEASE
.
2.
CUT OUT
AUTOMATIC.
3.
ADJUST
REGULATING VALVE.
4.
CUT IN
AUTOMATIC.
CLASS I BRAKE TEST
6 STEPS
1. Charge brake pipe on rear to
75 PSI
.
2. Verify AIR FLOW METER shows
60 CFM or less
.
3. Obtain signal to
APPLY
brakes.
4. Make
20 PSI REDUCTION
, allow exhaust to stop.
5. Receive a signal to
RELEASE
and release the brakes.
6. Verify brake pipe pressure is restored at the rear
CLASS I BRAKE TEST
BRAKE PIPE LEAKAGE METHOD
9 STEPS
1. Charge brake pipe on rear car to
75 PSI
.
2. Obtain signal to
APPLY
brakes.
3. Make
20 PSI
reduction and the brake pipe to EXHAUST.
4.
CUT OUT
AUTOMATIC.
5. Wait for
1 MINUTE
and note prake pipe pressure.
6.
MEASURE
brake pipe cylinder for additional
1 MINUTE
not more than
5 PSI
.
7. Receive signal to
RELEASE
AUTOMATIC.
8. AUTOMATIC to
RELEASE
, monitor EQUALIZING PRESSURE return to
90 PSI
then
CUT IN
AUTOMATIC.
9. Verify brake pipe pressure is restored at rear.
Author
SomeEngineer
ID
200570
Card Set
Air Brake Performance Test Study Cards
Description
Steps for Locomotive Engineer Training Air Brake Performance Evaluation
Updated
2013-02-14T18:22:52Z
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