Atlas Copco Dynapac CA 5000 Service Training
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Atlas Copco Dynapac CA 5000 Service Training

Atlas Copco Dynapac CA 5000 Service Training

Hydraulic
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CA 5000-6500
Service training, Hydraulic

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Summary of Contents for Atlas Copco Dynapac CA 5000

  • Page 1 CA 5000-6500 Service training, Hydraulic...
  • Page 2 Content  Introduction  Vibration system  Propulsion system  Steering, brake and fan system  Options...
  • Page 3 Introduction  The driving, vibration, steering system and also the service brake are hydrostatic. Which means that they all are powered hydraulically  The machine is equipped with 4 hydraulic pumps to the feed the system – Vibration pump – Propulsion pump –...

  • Page 4: Vibration System

    Vibration system   The rollers vibration-system are It’s also possible to get the in large handled by an 63cc machine equipped with DCO, hydraulic motor which in turn are Dynapac Compaction powered by a 56cc pump Optimizer   Optional is a vibration system The DCO-systems with adjustable frequency, in that...
  • Page 5 Vibration pump, standard  Supplier Bosch Rexroth  The vibration pump is mounted on the propulsion pump that’s mounted on the diesel engine • Charge pressure • Case drain • Valve for low amplitude • Valve for high amplitude • Measuring port for A •...
  • Page 6 Vibration pump, adjustable frequency  Supplier Bosch Rexroth  This pump is bigger compare to the standard pump, 71cc • Charge pressure • Case drain • Valve for low amplitude • Valve for high amplitude • Measuring port for A •...
  • Page 7 Vibration pump, schematic...

  • Page 8: Vibration Motor

    Vibration motor  Supplier Bosch Rexroth  63cc • Case drain • High pressure line • High pressure line...
  • Page 9 Quick reference guide for high pressure ports in the vibration system Vibration pump Vibration motor (outlet) (inlet) High amplitude Port B Port B Low amplitude Port A Port A When coil B on the pump (Y13=High amplitude) is energized we get high pressure outlet at Port B to inlet port B on the motor.
  • Page 10 Vibration system active...

  • Page 11: Propulsion System

    Propulsion system   The rollers propulsion system is in An optional system is also large handled by an 78cc pump available and one motor in the front at the  Automatic Traction control drum and one in the back at the ...
  • Page 12 Propulsion pump  The propulsion pump is mounted straight on to the engine in the rear of the machine • Valve for reverse • Valve for forward • Charge pressure line • Measuring port for B • Leakage line to tank •...
  • Page 13 Propulsion pump, schematic...
  • Page 14 Propulsion motors Standard, Automatic Traction control traction control • Case drain • High pressure port • High pressure port • Valve for displacement shift, rear • Valve for displacement shift, front • Speed sensor rear • Speed sensor front...
  • Page 15 Propulsion motors, schematic Standard, Traction control Automatic Traction control Electrical gear shift, 2 gears Electrical proportional displacement shift...
  • Page 16 Quick reference guide for high pressure ports in the drive system Drive Rear axle Rear axle Drum Drum motor pump motor input motor input motor input input (output) (standard) (proportional) (standard) (proportional) Forward Port B Port A Port B Port A Port B Reverse Port A...
  • Page 17 Propulsion system...
  • Page 18 Propulsion system active...
  • Page 19 Steering and fan system  Steering and fan system consists of – The main charge pump and the fan system charge pump – Main valve block – Thee two fan motors – Steering cylinders and steering valve...

  • Page 20: Charge Pumps

    Charge pumps • High pressure line to PF on main valve block • High pressure line to P on main valve block • Fan system charge pump, 14cc • Main charge pump, 19,6cc • Common inlet port...

  • Page 21: Main Valve Block

    Main valve block LS1 P1 • Brake Valve • High pressure output to steering valve • Brake release button • LS-line to steering valve • Charge pressure line to steering valve • Pump-lever for brake release • Fan drive valve •...
  • Page 22 Main valve block, schematic  In the main valve block we have several functions – Brake and brake release – Priority valve for steering – On this block we also mount the valve blocks for optional equipment such as – Leveling blade –...

  • Page 23: Steering Valve

    Steering valve  The steering valve is controlled mechanically by the steering wheel • Pressure line to steer left/return line • Pressure line to steer right/return line • High pressure inlet • Return line to main valve block • Load sensing line...
  • Page 24 Steering and fan system...
  • Page 25 Steering active...

  • Page 26: Brake System

    Brake system  The brake system is controlled via the main valve block  On this block we have all necessary things to release the brakes in case of a breakdown  The brake operates both in the rear axle and in the front of the machine in the drum gearbox...
  • Page 27 Releasing the brakes in case of towing  On the pump there are two by-pass , which should be turned three turns anticlockwise to put the system in by- pass mode. By-pass mode means that A and B sides on the pump are freely connected to the pressure side.
  • Page 28 Brake system...
  • Page 29 Brake released...
  • Page 30 Options  As optional equipment the machine can be equipped with a leveling blade and the DCO, Dynapac Compaction Optimizer  The valves for these options is connected straight on the main valve block in the rear of the machine...
  • Page 31 DCO valve block  This block is controlling the function of the adjustable amplitude motor  But the DCO option requires more changes then this part, for example in the electrical system • Valve for increase of amplitude • Valve for decrease of amplitude •...
  • Page 32 Leveling blade valve block  In this block we can find all that’s concerning the leveling blade • Valve for leveling blade up • Valve for leveling blade down • Valve for leveling blade float 1 • Valve for leveling blade float 2 •...
  • Page 33 Options...
  • Page 34 Options activated...
  • Page 35 Driven by innovation – committed to customer performance...

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