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
Summary of Contents for Neptune 2004
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Page 84: ...84 SECTION 2 DRIVING SAFETY NEPTUNE 2004 Weight Label...
Page 90: ...90 SECTION 2 DRIVING SAFETY NEPTUNE 2004 020254...
Page 92: ...92 SECTION 2 DRIVING SAFETY NEPTUNE 2004 020255B...
Page 93: ...DRIVING SAFETY SECTION 2 93 NEPTUNE 2004 2 020263 Weight Record Sheet...
Page 94: ...94 SECTION 2 DRIVING SAFETY NEPTUNE 2004 VIEWS Front Rear 010726c 010725...
Page 95: ...DRIVING SAFETY SECTION 2 95 NEPTUNE 2004 2 Roadside Curbside 010723d 010724e...
Page 106: ...106 SECTION 2 DRIVING SAFETY NEPTUNE 2004 NOTES...
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Page 151: ...EXTERIOR INTERIOR CARE SECTION 3 151 NEPTUNE 2004 3 NOTES...
Page 152: ...152 SECTION 3 EXTERIOR INTERIOR CARE NEPTUNE 2004 NOTES...
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Page 191: ...4 APPLIANCES SECTION 4 191 NEPTUNE 2004 NOTES...
Page 192: ...192 SECTION 4 APPLIANCES NEPTUNE 2004 NOTES...
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Page 231: ...EQUIPMENT SECTION 5 231 NEPTUNE 2004 5 NOTES...
Page 232: ...232 SECTION 5 EQUIPMENT NEPTUNE 2004 NOTES...
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Page 255: ...WATER SYSTEMS SECTION 6 255 NEPTUNE 2004 NOTES 6...
Page 256: ...256 SECTION 6 WATER SYSTEMS NEPTUNE 2004 NOTES...
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Page 276: ...276 SECTION 7 LP GAS SYSTEMS NEPTUNE 2004 NOTES...
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Page 313: ...ELECTRICAL SYSTEMS HOUSE SECTION 8 313 NEPTUNE 2004 NOTES 8...
Page 314: ...314 SECTION 8 ELECTRICAL SYSTEMS HOUSE NEPTUNE 2004 NOTES...
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Page 346: ...346 SECTION 9 ELECTRICAL SYSTEMS CHASSIS NEPTUNE 2004 NOTES...
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Page 411: ...CHASSIS INFORMATION SECTION 10 411 NEPTUNE 2004 10 METRIC U S CONVERSION CHART...
Page 413: ...CHASSIS INFORMATION SECTION 10 413 NEPTUNE 2004 10...
Page 414: ...414 SECTION 10 CHASSIS INFORMATION NEPTUNE 2004...
Page 415: ...CHASSIS INFORMATION SECTION 10 415 NEPTUNE 2004 10...