
  | EXHAUST  | EXHAUST  | 
  | SOLENOID  | |
  | DIAPHRAGM  | |
  | 
  | |
EXHAUST PORT  | 
  | 
  | 
  | 
  | BRAKE VALVE  | 
  | 
  | SUPPLY  | 
  | 
  | SOLENOID  | 
BRAKE  | SUPPLY  | SPRING  | 
SPRING  | ||
CHAMBER  | DIAPHRAGM  | 
  | 
FIGURE 3 -  | ||
  | EXHAUST  | EXHAUST  | 
  | SOLENOID  | |
  | DIAPHRAGM  | |
  | 
  | |
EXHAUST PORT  | 
  | 
  | 
  | 
  | BRAKE VALVE  | 
  | 
  | SUPPLY  | 
  | 
  | SOLENOID  | 
BRAKE  | SUPPLY  | SPRING  | 
SPRING  | ||
CHAMBER  | DIAPHRAGM  | 
  | 
FIGURE 4 -  | ||
3