7 - 2
Drive Motor Brake Operation
Each drive motor
A
incorporates a multiple disc brake pack
B
. The brakes are held 'on' by spring force and released by
hydraulic pressure. They normally serve as holding brakes
but can also be used as emergency brakes.
The diagram below shows a brake in its 'off' condition, with
oil from auxiliary pump
P
being applied to the brake pack via
shuttle valve
E
(which is part of the pressure reducing valve)
and port
C
on the motor casing.
When the brake is selected to the 'on' condition the shuttle
valve dumps the brake circuit pressure to tank. Pressure
trapped in the brake pack bleeds quickly to tank via port
D
,
allowing spring pressure to apply the brake.
Section E
Hydraulics
9803/8500
Section E
7 - 2
Issue 1
Descriptions
P
D
C
E
A
B
A167970
S
F
A167970
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Содержание ROBOT 150
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Страница 21: ...5 2 Safety Decals cont d Section 2 Care and Safety 9803 8500 Section 2 5 2 Issue 2...
Страница 77: ...Attachments Section A Section A 7 7 9803 8500 Issue 1 Backhoe...
Страница 83: ...3 4 Side Windows Section B Body and Framework 9803 8500 Section B 3 4 Issue 1 Glazing 136161 1 1 2 2 3 3 4 4...
Страница 86: ...5 1 Section B Body and Framework 9803 8500 Section B 5 1 Issue 1 Loader Arm 167760 Z Z B B A A X X Y Y...
Страница 97: ...4 3 Section C Electrics 9803 8500 Section C 4 3 Issue 1 Alternator S213570...
Страница 123: ...1 1 Section D Controls 9803 8500 Section D 1 1 Issue 1 Safety Restraint Bar S168160 1...
Страница 125: ...2 1 Section D Controls 9803 8500 Section D 2 1 Issue 1 Throttle Controls S168150D...
Страница 142: ...Hydraulics 9803 8500 Issue 1 4 1 4 1 Descriptions Section E Section E...
Страница 145: ...Hydraulics 9803 8500 Issue 2 5 2 5 2 Descriptions Section E Section E...
Страница 146: ...Hydraulics 9803 8500 Issue 2 5 3 5 3 Descriptions Section E Section E...
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Страница 152: ...Hydraulics 9803 8500 Issue 1 5 9 5 9 Descriptions Section E Section E...
Страница 163: ...10 1 Section E Hydraulics 9803 8500 Section E 10 1 Issue 1 Pumps 168150...
Страница 165: ...10 3 Section E Hydraulics 9803 8500 Section E 10 3 Issue 1 Pumps 168030...
Страница 167: ...10 5 Section E Hydraulics 9803 8500 Section E 10 5 Issue 1 Pumps 168160...
Страница 175: ...11 1 Section E Hydraulics 9803 8500 Section E 11 1 Issue 2 Pumps 167750...
Страница 179: ...13 1 Section E Hydraulics 9803 8500 Section E 13 1 Issue 1 Drive Motors 167720 S167720A...
Страница 181: ...13 3 Section E Hydraulics 9803 8500 Section E 13 3 Issue 2 Drive Motors S167730 A A B S167730B S167730A...
Страница 183: ...13 5 Section E Hydraulics 9803 8500 Section E 13 5 Issue 1 Drive Motors S243720 X X S243870...
Страница 212: ...18 1 Section E Hydraulics 9803 8500 Section E 18 1 Issue 2 Valves S204980 X X 3 B A 4 2 1 5...
Страница 215: ...20 1 Section E Hydraulics 9803 8500 Section E 20 1 Issue 1 Servo Joysticks S167960...
Страница 217: ...20 3 Section E Hydraulics 9803 8500 Section E 20 3 Issue 1 Servo Joysticks 167950...
Страница 221: ...23 3 Section E Hydraulics 9803 8500 Section E 23 3 Issue 1 Rams S167800...
Страница 241: ...1 2 Section F Transmission 9803 8500 Section F 1 2 Issue 2 Tyres and Wheels 167861 167811...
Страница 243: ...1 4 Section F Transmission 9803 8500 Section F 1 4 Issue 2 Tyres and Wheels 167851...
Страница 253: ...2 1 Section K Engine 9803 8500 Section K 2 1 Issue 1 Removal and Replacement S167990...