BRAKE CYLINDER (cont)
The spring is under tension. Use caution during assembly so the spring does not fly out, causing
injury to personnel.
Place piston assembly (12) into compression vise and compress spring (19). Position push rod holder (15) on
piston (20) and install four capscrews (14).
Remove piston assembly (12) from compression vise.
Install gasket (13) and piston assembly (12) and secure with four nuts (11).
Test brake cylinder by the following:
Use an air supply source with a cutout cock and a gage located between cutout cock and connector for brake
cylinder. Connect brake cylinder.
Charge brake cylinder to 15 psi (103 kPa) and hold for 15 seconds.
Use cutout cock and turn off air supply.
Check that there is no pressure drop in 5 seconds.
Install push rod (10) in brake cylinder (9).
Position brake cylinder (9) and secure with four capscrews (8), lockwashers (7), and nuts (6).
Position gasket (5) and air line (4) and install two capscrews (3).
Install two pins (2) and secure with two cotter pins (1).