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Need help?Do you have a question about the Dynapac CA250 and is the answer not in the manual?
Explains the meaning of warning and caution symbols used in the manual.
Provides essential safety guidelines, including ventilation and personal protective equipment.
Outlines general practices for operating the machine safely and effectively.
Details critical checks and actions required before operating the machine.
Describes the correct steps for starting the machine.
Explains the safe procedure for jump-starting the machine's battery.
Details the DYNAPAC standard for wiring systems, including cable colours and numbering.
Explains cable types, colours, and conductor grouping for wiring systems.
Explains the meaning of warning and caution symbols used in the manual.
Provides essential safety guidelines, including ventilation and personal protective equipment.
Outlines general practices for operating the machine safely and effectively.
Details critical checks and actions required before operating the machine.
Describes the correct steps for starting the machine.
Explains the safe procedure for jump-starting the machine's battery.
Details the DYNAPAC standard for wiring systems, including cable colours and numbering.
Explains cable types, colours, and conductor grouping for wiring systems.
The Dynapac CA250/280/300 Tier I and CA250/260/280 Tier III vibratory rollers are robust machines designed for efficient compaction in various construction applications. This manual provides comprehensive information regarding the electrical circuit diagrams, safety regulations, and operational guidelines for these rollers.
The vibratory roller's primary function is soil and asphalt compaction, achieved through a combination of static weight and dynamic vibration. The electrical system plays a crucial role in controlling various aspects of the machine's operation, including engine management, lighting, safety features, and operator controls.
The engine management system, detailed in Group 3 (ENGINE) of the wiring standard, handles starter actuation, electrical ignition, engine run, and engine stop functions. This ensures reliable starting and stopping of the engine, which powers both the drive system and the vibratory mechanism.
Lighting, covered in Group 1 (LIGHTNING), includes headlights, work lights, auxiliary headlamps, instrument panel lighting, and cab lamps. These lights are essential for visibility during operation, especially in low-light conditions or at night, enhancing safety and productivity.
Safety features are integrated throughout the electrical system. The emergency switch (S2) provides an immediate means to shut down the machine in critical situations. The parking brake (S14) is electrically controlled, ensuring the roller remains stationary when parked. The back-up alarm (H13) and horn (H11) provide audible warnings to personnel in the vicinity of the machine, crucial for preventing accidents. The seat switch (S5) and pump switch (S4.1) are likely interlocks that prevent operation under unsafe conditions, such as an unoccupied operator seat or an improperly configured pump.
Operator controls, categorized under Group 7 (CONTROL), enable the operator to manage key functions like vibration control and the sprinkler system. Vibration control allows the operator to adjust the intensity and frequency of the drum's vibration, optimizing compaction for different materials and desired densities. The sprinkler system, when activated, sprays water onto the drum to prevent asphalt from sticking, ensuring a smooth finish and preventing material buildup.
Monitoring circuits, detailed in Group 8 (MONITORING), provide the operator with critical information about the machine's status. This includes oil pressure, charging status, fuel level, oil temperature, fan belt status, and water level for the sprinkler system. These indicators allow the operator to continuously assess the machine's health and respond to any anomalies promptly, preventing potential damage or breakdowns.
Communication devices, found in Group 6 (COMMUNICATION), include tail/stop/side direction lamps, rotating beacons, and back alarms. These are vital for signaling the roller's intentions and presence to other vehicles and personnel on the job site, contributing to overall safety.
The electrical system is designed to facilitate ease of use and efficient operation. The logical grouping of circuits by function (e.g., engine, lighting, controls) simplifies troubleshooting and maintenance. The cable color and number marking system provides a clear and consistent method for identifying individual wires, making electrical diagnostics straightforward.
The machine's electrical system supports various operational modes, allowing the operator to adapt to different job requirements. For instance, the ability to control vibration intensity and the sprinkler system directly from the operator's station enhances the roller's versatility. The inclusion of multiple work lights ensures adequate illumination for diverse tasks and working environments.
The jump-starting procedure, clearly outlined in the manual, provides a safe and effective method to restart the machine in case of a dead battery, minimizing downtime. The emphasis on proper cable connection order and voltage matching highlights the importance of safety during this process.
The electrical circuit diagrams are a fundamental tool for maintenance and repair. The "Type of Electrical circuit diagram" section explains the new standard in mobile electronics used for these diagrams, emphasizing horizontal division of the electrical system into sections. This structure, along with clear identification of cables, connectors, and components, significantly aids in tracing circuits and diagnosing electrical faults.
The cable color and number marking system, as described in the "Wiring system" section, is a key maintenance feature. By assigning specific colors and three-digit codes to different circuit groups, technicians can quickly identify the function and location of any cable, reducing the time required for troubleshooting. For example, all "white lighting" circuits are grouped under Group 1 (LIGHTNING) with cable markings from 101-199, making it easy to locate and inspect lighting-related wiring.
The manual also provides safety information relevant to electrical and hydraulic equipment, which is crucial for maintenance personnel. Warnings about handling batteries, the risks associated with flammable hydrogen gas during charging, and the dangers of high-pressure hydraulic fluids underscore the importance of following safety protocols during maintenance operations. The recommendation for a fully equipped medical kit, eye-wash facilities, and protective clothing further emphasizes a proactive approach to safety.
The detailed explanation of how to read the electrical circuit diagrams, including page and coordinate references for continuing lines, ensures that technicians can navigate complex circuits efficiently. This systematic approach to documentation is invaluable for effective maintenance, allowing for quick identification of components and connections, and ultimately, minimizing repair times.
General| Drum Width | 2130 mm |
|---|---|
| Drum Diameter | 1500 mm |
| Centrifugal Force | 190 kN |
| Vibration Frequency | 28 Hz |
| Amplitude | 1.9 mm |
