65E Turbo Motor Grader
Service Manual
Section 5
Rear Axle and Tandems
Service 1.00_2006.03
5-10
The service brake hydraulic system is divided into sepa-
rate circuits for the right and left brakes, with two separate
reservoirs supplying the master cylinder. The circuits are
connected when at rest to vent pressure from the system.
As pressure develops, the circuits are separated. The
larger piston acts on one circuit and moves the second,
smaller piston. Pressure in each circuit is the same once
the first piston has created at least 10 bar (145 psi). If the
first circuit should fail, the first piston pushes directly on
the second, creating pressure but a greater force is
required.
A pressure differential switch monitors the pressure in
each circuit to ensure equal braking pressure on each
side. If pressure drops in one circuit, a spool in the switch
shifts toward that side, closing the circuit. A warning lamp
illuminates on the front monitor to alert the operator that
pressure is not equal in the brake circuits.
The parking brake is a cable-operated, disk-type brake
located on the rear output shaft of the transmission. The
disk is splined to the output shaft. Brake pads on the
brake caliper expand when the ratcheting lever in the cab
is pulled, preventing rotation of the output shaft and
machine.
The transmission is equipped with a disconnect feature
which dumps oil to the transmission sump when acti-
vated. The transmission disconnect is always activated
when the parking brake lever is pulled.
The disconnect feature is also activated when the brake
pedal is depressed if the transmission inching control
switch on the right side console is off. If the inching con-
trol switch on the right side console is on, the transmis-
sion will continue to operate, driving the grader wheels
unless the brakes are applied with sufficient force to over-
come the engine torque.
Specifications
Service Brake
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single Disc in Oil Bath, Integral to Rear Axle
Number of Discs per Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Friction Disc Thickness (Nominal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.512 in. (13 mm)
Minimum Friction Disc Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.394 in. (10 mm)
Piston Thickness (Nominal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.728 in. (18.5 mm)
1. Master Cylinder
2. Brake Fluid Reservoirs
3. Two brake groups located inside axle.
Содержание 65E Turbo
Страница 6: ...Service Manual Section 1 Engine Service 1 00_2006 03 ...
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Страница 30: ...Service Manual Section 2 Operator s Platform and Controls Service 1 00_2006 03 ...
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Страница 45: ...65E Turbo Motor Grader Service Manual Section 2 Operator s Platform and Controls Service 1 00_2006 03 2 4 Cab ...
Страница 47: ...65E Turbo Motor Grader Service Manual Section 2 Operator s Platform and Controls Service 1 00_2006 03 2 6 ...
Страница 76: ...Service Manual Section 3 Transmission Service 1 00_2006 03 ...
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Страница 178: ...Order No 5871 146 002 ZF ERGOPOWER 6 WG 115 ZF Passau GmbH Donaustr 25 71 D 94 034 Passau ...
Страница 306: ...Service Manual Section 4 Front Axle Service 1 00_2006 03 ...
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Страница 348: ...Please reference Eaton Publication C STCU TS002 pdf on this CD for further information on the Steering Control Unit ...
Страница 349: ...Service Manual Section 5 Rear Axle and Tandem Service 1 00_2006 03 ...
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Страница 421: ...Service Manual Section 6 Electrical Service 1 00_2006 03 ...
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Страница 453: ...65E Turbo Motor Grader Service Manual Service 1 00_2006 03 Section 6 Electrical 6 21 Instrument Panel Group ...
Страница 456: ...65E Turbo Motor Grader Service Manual Section 6 Electrical Service 1 00_2006 03 6 24 Starter Relay Neutral Start Relay ...
Страница 457: ...65E Turbo Motor Grader Service Manual Service 1 00_2006 03 Section 6 Electrical 6 25 Brake Differential Pressure Switch ...
Страница 460: ...65E Turbo Motor Grader Service Manual Section 6 Electrical Service 1 00_2006 03 6 28 Injection Pump Relay ...
Страница 461: ...65E Turbo Motor Grader Service Manual Service 1 00_2006 03 Section 6 Electrical 6 29 Park Brake Switch ...
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Страница 471: ...Service Manual Section 7 Hydraulics Service 1 00_2006 03 ...
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Страница 485: ...65E Turbo Motor Grader Service Manual Service 1 00_2006 03 Section 7 Hydraulics 7 3 HYDRAULIC SCHEMATIC ...
Страница 576: ...Please reference Eaton Publication 06 623 pdf on this CD for further information on the L2 Series Gear Pump ...
Страница 577: ...Please reference Eaton Publication 07 145 pdf on this CD for further information on the T Series Geroler Motor ...
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