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Function & Structure Brake Group ........................................................................................................................ 52-1
Brake System Outline ....................................................................................................................................... 52-2
Service brake .............................................................................................................................................. 52-2
Parking brake .............................................................................................................................................. 52-2
Auto brake .................................................................................................................................................. 52-2
Adjustment of axle internal pressure ........................................................................................................... 52-2
Brake Units Layout ............................................................................................................................................ 52-3
Unloader Valve .................................................................................................................................................. 52-4
Unloader valve operation ............................................................................................................................ 52-6
Reducing valve ................................................................................................................................................. 52-7
Valve Unit (Main Brake Manifold Block) ............................................................................................................ 52-8
Brake Accumulator Line .................................................................................................................................... 52-9
Accumulator .............................................................................................................................................. 52-10
In-Line Filter ...............................................................................................................................................52-11
Brake Valve ..................................................................................................................................................... 52-12
Brake main valve (left pedal) .................................................................................................................... 52-12
Brake pilot valve (right pedal) ................................................................................................................... 52-13
Brake valve performance chart ................................................................................................................. 52-14
Brake valve outline .................................................................................................................................... 52-15
Stop Lamp Pressure Switch ............................................................................................................................ 52-18
Pressure switch (for stop lamp) ................................................................................................................ 52-18
Pressure switch (for Declutch) .................................................................................................................. 52-19
Service Brake .................................................................................................................................................. 52-20
Service brake operation ............................................................................................................................ 52-20
Service brake friction plate ........................................................................................................................ 52-21
Service brake steel plate ........................................................................................................................... 52-22
Service brake piston ................................................................................................................................. 52-23
Service brake pedal stroke adjusting mechanism ..................................................................................... 52-24
Parking Brake ................................................................................................................................................. 52-28
Parking brake operation ............................................................................................................................ 52-30
Parking brake solenoid valve .................................................................................................................... 52-31
Parking Brake Manual Release ...................................................................................................................... 52-32
Parking Brake Spring Chamber ...................................................................................................................... 52-34
Brake Circuit Check Valve ............................................................................................................................... 52-35
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