Overview: This document is a technical parts list for the Bezzera Strega espresso machine, detailing various components, their codes, and descriptions. It is organized into tables corresponding to different models and configurations of the machine.
Table 1 - Mod. S - TOP: This section lists components such as the group frontal, screws, adhesive feet, cup heater grid, and stainless steel body parts. Key components include the group frontal (5074466SG) and the chassis black (5340003.05LL).
Table 1A - Mod. R: Similar to Table 1, this section includes parts like the group frontal, screws, and cup heater grid, but with variations specific to the Mod. R configuration. Notable parts include the drip tray grid (5074617LW) and the solenoid valve coil (7630327).
Table 2 - Mod. S: This table focuses on components related to the tank and associated fittings, such as the tank (7373006.01), OR gaskets, and various hoses and fittings. It also includes solenoid valves and vibration pumps for different voltages.
Table 2A - Mod. TOP: Lists additional components for the TOP model, including various fittings, hoses, and solenoid valves. Key parts include the vibration pump EX5 series and the thermic safety device (7634816).
Table 2B - Mod. R: Contains parts specific to the Mod. R configuration, such as hoses, fittings, and solenoid valves. Important components include the surpression valve hose (5194559LL) and the solenoid valve coil (7630327).
Table 3 - Surpression Valve: Details the components of the surpression valve, including calibrated springs, gasket holders, and the valve body. The table is divided into configurations before and after 30.10.12, with slight variations in parts like the surpression valve body (5283049 vs. 5283053TP).
Table 4 - Boiler and Pressure Components: Lists parts related to the boiler and pressure systems, such as pressure gauges, level probes, safety valves, and heating elements. Notable items include the pressure gauge capillary (7400901) and the heating element (5721127TP).
Table 5 - Lever Group: Focuses on the lever group components, including knobs, levers, springs, and seals. Key parts include the chrome cap knob (5373915CM) and the lever group body (5283052TW).
Conclusion: The document provides a comprehensive breakdown of parts for different configurations of the Bezzera Strega espresso machine, essential for maintenance and repair tasks.
Specifications: The document lists parts such as springs, shafts, gaskets, and various fittings. Each part is identified by a unique code and description, specifying dimensions and materials where applicable. For example, the 'Spring' is listed with a code 5471513 and described as a component with specific dimensions.
Procedures: The document does not explicitly outline procedures but implies assembly instructions through the organization of parts into tables. Each table corresponds to a specific assembly or component group, such as the lever assembly or filter-holder assembly.
Standards and Norms: The document references specific standards for materials, such as AISI 302 for springs, indicating adherence to industry norms for material quality and specifications.
Recommendations: While explicit recommendations are not provided, the structured listing of parts suggests best practices for assembly and maintenance, ensuring that correct parts are used for specific functions.
Key Data from Tables: The tables provide detailed part numbers, descriptions, and quantities required for each assembly. For instance, Table 5 lists components for the lever assembly, including the lever knob, ring nut, and articulation components.
Critical Information: The document highlights the importance of using the correct part codes and descriptions to ensure proper assembly and functionality of the
coffee machine. It also notes changes in part specifications over time, such as updates to fittings and gaskets.