AUTOMATIC RESERVOIR DRAIN VALVE
OPERATION
DESCRIPTION
FRONT WHEEL BRAKE LIMITING VALVE CONTROL
(Air Brakes)
The DV-2 Automatic Reservoir Drain Valve ejects
The front wheel brake limiting valve control is
is connected. It operates automatically and requires no
mounted on the lower edge of the instrument panel to
manual assistance or control lines from other sources.
the left of the steering column.
The valve enables the driver to set his brake power
PARKING BRAKE CONTROL
in accordance with varying road conditions.
When
operating a vehicle unloaded or over slippery roads, the
The primary purpose of this brake is to hold the
driver pulls out the limiting valve, which automatically
vehicle in a parked position or to assist in bringing it to
limits the maximum air pressure admitted to the front
an emergency stop. The parking brake should not be
wheel brake chambers.
used to brake the vehicle during normal driving.
When operating a vehicle with a load or over dry
roads, the driver pushes the valve control into the dry
road position. This automatically allows the maximum
air pressure to be supplied to the front wheel brake
chambers as well as the rear brake chambers.
To apply the parking brake pull out on control. To
release the parking brake push in on control. NOTE: DO
NOT APPLY FOOT BRAKE WHILE PARKING BRAKE
IS APPLIED.
Upon loss of air pressure or reduction of air pressure
in the vehicle air system, the parking brakes will
automatically apply,
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