CHASSIS INFORMATION --- SECTION 10 • 357
NEPTUNE 2004
10
The chassis incorporates four separate braking systems: Primary,
Parking/Emergency, Antilock Braking System (ABS) and the Engine (Exhaust).
The Primary Brake System uses a hydraulic brake actuation system. This system
includes a hydraulic booster assembly,master cylinder assembly and a monitoring
system. A reserve electric hydraulic pump is included as a safety feature to provide
limited power assisted stops should the primary system fail.
The Hydro-Max brake system gets primary power for the booster from the
power steering pump. The reserve electric motor pump is turned on by a relay that
is activated when an integral flow switch detects the lost flow of power steering
fluid. The brakes will remain operational with a greatly increased stopping
distance in the event that both the primary hydraulic and the backup electrical
pump fail to operate.
The electric pump motor is reserve power for the
booster assembly. The entire assembly should be
replaced when a failure occurs. When the electric
pump motor is working you will only have one-half
the brake boost. Caution should be taken, as braking
distance will be increased. The reserve power test is
a quick test to ensure that the electric pump motor is
operational. Simply apply the brake pedal with the
ignition "OFF." The electric pump should run and
be audible.
The design of the master cylinder provides two
separate brake fluid systems (front and rear). One
system will operate should a failure occur in the
other. When checking the fluid level in the master
cylinder, the fluid should be clean with no evidence
of contamination. A surge of fluid should occur
when the brake pedal is applied, and fluid level
should be at the bottom of the port ring openings.
Since the master cylinder is the highest point of the
system, gravity flow bleeding can be accomplished.
Gravity flow bleeding requires only one person and
NO pressure bleeder. Each caliper has a bleeder
valve for removing any air in the system.
BRAKE SYSTEM
Electrical Pump & Master Cylinder
090396
Содержание Neptune 2004
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