| EXHAUST | EXHAUST |
| SOLENOID | |
| DIAPHRAGM | |
|
| |
EXHAUST PORT |
|
|
|
| BRAKE VALVE |
|
| SUPPLY |
|
| SOLENOID |
BRAKE | SUPPLY | SPRING |
SPRING | ||
CHAMBER | DIAPHRAGM |
|
FIGURE 8 - | ||
CONNECTOR
CONNECTOR
SOURCE
EXHAUST
HOLD
SOURCE
EXHAUST 
HOLD
FIGURE 9 - M-21™, M-22™ MODULATOR CONNECTOR VIEW
8
