Chevrolet 10 Series 1970 Service Manual page 313

Limiting—Quick
Release Valve
Inlet
Valve
Valve
Carrier
Front
Brake
lambe
DRY ROAD POSITION
Limiting—Quick
Release Valve
Inlet
Valve
Valve
Carrier
Front
Brake
Chambers
SLIPPERY ROAD POSITION
F ig . 125— Front Brake L im itin g and T w o -W a y C o n tro l V a lv e O p e ra tio n
Two-W ay
Valve
Exhaust
■ Valve
Application
Two-W ay
Valve
Exhaust
- Valve
Exhaust
Port
Application
Exhaust
Port
Valve
Exhaust
Port
Plunger
Valve
Disc
Valve
CHEVROLET TRUCK SERVICE MANUAL
BRAKES 5-75