Union Pacific
When do you use the bell? - correct answer Men and equip, Road crossings, service track
How do you perform a Transfer train test (class 3)? - correct answer Walk one side lacing hoses
doing 1.33 safety inspection. Put gauge on rear car, tell operator on head end to cut in air. Have
at least 75 psi on gauge at rear car. Set 20lb full service reduction and walk other side ensuring
pistons are out on all cars making safety inspection on way back to engine. 100% of brakes must
set up. If not can retest 1 more time. If the car does not set up on 2nd try the car must be set
out. Pressures prior to link up: Main Res (red) 120-140, Equilizing Res (white) 90, Brake Cyl (red)
35+, Brake Pipe (white) 90
How do you short term? How do you long term? How do you do a crew change test? If not seen
during ride - correct answer Look at paper
Can the RCO operator/crew perform a daily inspection if needed, ie, no mechanical personel
available? - correct answer Yes. Ground: piston tracel (1 1/2") less than blue card, but usually 6
1/2"), brake shoes, dragging sagging, etc, walkway: chains, oil
Where do you leave equipment? - correct answer Leave clear of adjacent track or leave on lead
Equipment- If no clearance (painted mark) where do you leave it? - correct answer Clearance
point plus 50ft.
Equipment-How do you determine clearance point? - correct answer Stand next to rail with arm
stretched out to the adjacent track.
What is the sequence for the horn for men and equip? - correct answer long, short, 2 shorts
When are the independent brakes used? - correct answer Emergency application and to recover
from emergency application
When do you use the bell? - correct answer Men and equip, Road crossings, service track
How do you perform a Transfer train test (class 3)? - correct answer Walk one side lacing hoses
doing 1.33 safety inspection. Put gauge on rear car, tell operator on head end to cut in air. Have
at least 75 psi on gauge at rear car. Set 20lb full service reduction and walk other side ensuring
pistons are out on all cars making safety inspection on way back to engine. 100% of brakes must
set up. If not can retest 1 more time. If the car does not set up on 2nd try the car must be set
out. Pressures prior to link up: Main Res (red) 120-140, Equilizing Res (white) 90, Brake Cyl (red)
35+, Brake Pipe (white) 90
How do you short term? How do you long term? How do you do a crew change test? If not seen
during ride - correct answer Look at paper
Can the RCO operator/crew perform a daily inspection if needed, ie, no mechanical personel
available? - correct answer Yes. Ground: piston tracel (1 1/2") less than blue card, but usually 6
1/2"), brake shoes, dragging sagging, etc, walkway: chains, oil
Where do you leave equipment? - correct answer Leave clear of adjacent track or leave on lead
Equipment- If no clearance (painted mark) where do you leave it? - correct answer Clearance
point plus 50ft.
Equipment-How do you determine clearance point? - correct answer Stand next to rail with arm
stretched out to the adjacent track.
What is the sequence for the horn for men and equip? - correct answer long, short, 2 shorts
When are the independent brakes used? - correct answer Emergency application and to recover
from emergency application
