Pneumatic System - IRIZAR
Transcrição
Pneumatic System - IRIZAR
Instrução Técnica – Instrucción Técnica – Technical Instruction 1 Pneumatic system 1 Rod. Marechal Rondon, KM 252,5, BOTUCATU – SP- BRASIL Tel. 55 14 3811 8000 [email protected] Instrução Técnica – Instrucción Técnica – Technical Instruction 1.1 PNEUMATIC SYSTEM The Irizar pneumatic system is based on the concept of distribution blocks. This means that all components are concentrated in the "pneumatic central". This central is composed of many valves, solenoids and protection elements. There are pneumatic pipes leaving the central, all identified with numerical rings corresponding to the pneumatic diagram. Therefore, on the Irizar's vehicles, most of the pneumatic components are located in the "pneumatic central". Picture 1 - Pneumatic central The door's pneumatic system is entirely developed by "Masats". It's main components are: Component /code reposition Function Service valve When closed, eliminates the body's air and also Illustration separates the chassi's circuit from the body's circuit. This item is useful to locate air leak. Using its functionalities, it is possible to identify which circuit has the leaking, body or chassis. Dryer filter-Nebulizer Clean the air of the compressor and lubricates the valves and other components of the pneumatic system through oil nebulization. 2 Rod. Marechal Rondon, KM 252,5, BOTUCATU – SP- BRASIL Tel. 55 14 3811 8000 [email protected] Instrução Técnica – Instrucción Técnica – Technical Instruction Selector valve This valve act on the pneumatic system when the opening valve on emergency mode is activated. It provide two entrances to the same circuit. Electro-valve (5/2 ways) This valve is responsible for operating the door system and the luggage compartment system. There is a electro-valve for each pneumatic door. It is activated by electric or manual signal. Door's actuator Transform the pneumatic energy in movement. This movement will open or close the door. Emergency valve - opening Emergency Opens the door during emergencies situations. It can also be used during door's adjustment process. Electronic tipper relay Replaces two pulse keys and extras relay by a single one relay. It has a protection fuse to prevent damage due to wrong connections and current peak. Anti-Ram valve - This valve is indicated to restore the circuit's pressure. - The Anti-ram valve is used usually after a blocking valve. Protecting the system against any sudden pressure raise that may damage the car. 3 Rod. Marechal Rondon, KM 252,5, BOTUCATU – SP- BRASIL Tel. 55 14 3811 8000 [email protected] Instrução Técnica – Instrucción Técnica – Technical Instruction Luggage compartment's Actuator The actuating cylinder opens the vehicle's compartment cover. Unities available: 4410N, 7315N, 7 bar. 1.2 ELECTRO VALVE 5/2 WAYS: The electro valve can be divided into 2 parts, Picture 2. Both components communicates through holes sealed with O'rings, picture 3. Element's junction: Electro valve body: Element where the actuating elements are found. Distribuction block: Element of connection with other electro valves, to compose a distribution block. Therefore, for all valves there is only one air inlet and one relief outlet. 1- Electro valve body 2- Distribuction block Picture 2 - Electro valve division Picture 3 - Elements junction 4 Rod. Marechal Rondon, KM 252,5, BOTUCATU – SP- BRASIL Tel. 55 14 3811 8000 [email protected] Instrução Técnica – Instrucción Técnica – Technical Instruction 1.3 ELECTRO VALVE PARTS 1 - Actuation solenoid P - General power supply. 2 - Sealing ring B - Circuit's connection 3 - Command piston A - Circuit's connection 4 - Sealing nut S - Flush 5 - Actuation solenoid R - Flush 6 - Manual actuation F - Flush valve 1 G - Flush valve 2 5 Rod. Marechal Rondon, KM 252,5, BOTUCATU – SP- BRASIL Tel. 55 14 3811 8000 [email protected] Instrução Técnica – Instrucción Técnica – Technical Instruction 1.4 PREVENTIVE MAINTENANCE OF THE PNEUMATIC SYSTEM Attention: The maintenance procedures of the door's pneumatic system must be programed every 6 months or 50.000km. 1- Purgar a umidade acumulada no filtro secador e troca o óleo pneumático Action Illustration Purge the pneumatic system's humidity through the Allen retentor, located on the inferior part of the drier filter. Add pneumatic oil. The recommended oil is Masats ( OAAF code ) or an mixture of SAE10 + 5% of bi molybdenum sulfide. Complete with 30 cm^3 or half of Masats package. Clean the O'Ring and its fixation hole. Replace if necessary. 6 Rod. Marechal Rondon, KM 252,5, BOTUCATU – SP- BRASIL Tel. 55 14 3811 8000 [email protected]
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