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General| Brand | Miele |
|---|---|
| Model | S 321i |
| Category | Vacuum Cleaner |
| Language | English |
Guidelines for safe and compliant servicing, modification, and maintenance of appliances.
Instructions for cleaning the vacuum cleaner and its components using appropriate methods.
Overview of the canister vacuum cleaner's construction and specific components for S 3xx and S 4xx models.
Comparison of features across different Miele vacuum cleaner models, including S 2xx, S 3xx, and S 4xx series.
Detailed technical specifications for Miele vacuum cleaner series S 247i-S 256i, S 269i-S 282i, S 3xx, and S 4xx.
Listing of standard, optional, and new locking system accessories for Miele canister vacuum cleaners.
Information regarding the built-in socket and connection cable for electrobrush compatibility in S 3xx and S 4xx models.
Explanation of the dustbag function and the types of filters (Super Air Clean, Active Air Clean, S-Class).
Details on how the dustbag change indicator works and its operation for S 27x, S 3xx, and S 4xx models.
Explanation of suction power measurement and factors influencing it, illustrated with a suction power curve.
Description of manual and automatic power regulation methods used in Miele canister vacuum cleaners.
Technical explanation of the phase-chopping control mechanism used for motor power regulation.
Step-by-step instructions for removing and re-installing the dustbag compartment lid for various Miele models.
Procedure for opening, removing, and reassembling the accessory compartment lid for S 2xx models.
Instructions for removing and re-installing the dustbag holder for S 25x, S 27x, S 3xx, and S 4xx models.
Procedures for removing and re-installing the dust channel for S 25x, S 27x, S 3xx, and S 4xx models.
Steps for removing the dustbag change indicator for S 25x, S 27x, S 3xx, and S 4xx models.
Detailed instructions for removing and re-installing the cap assembly for S 25x, S 27x, S 3xx, and S 4xx models.
Procedures for removing and re-installing the rear casing for S 25x, S 27x, S 3xx, and S 4xx models.
Instructions for removing and replacing foot switches for S 25x, S 27x, S 3xx, and S 4xx models.
Guidance on servicing and replacing potentiometers and suction power selectors for S 2xx, S 3xx, and S 4xx models.
Steps for removing and re-installing the electronic control unit for S 4xx models.
Procedure for removing the fault or overheat indicator lamp for S 2xx and S 4xx models.
Instructions for removing the plug housing from S 25x and S 27x models.
Methods for accessing and removing the on/off switch for S 25x, S 27x, and S 3xx models.
Procedure for accessing and removing the flush socket outlet for S 25x and S 27x models.
Steps for removing the sensor from automatic Miele vacuum cleaner models S 280i and S 282i.
Instructions for removing and re-installing the cord reel for S 23x, S 25x, S 27x, S 3xx, and S 4xx models.
Procedure for removing and replacing the power cord for S 27x and S 3xx models.
Detailed instructions for removing and re-installing the motor assembly for S 25x, S 27x, S 3xx, and S 4xx models.
Steps for removing and replacing the motor electronic (speed control board) for S 3xx and S 4xx models.
Procedure for replacing motor brushes in S 3xx and S 4xx models, emphasizing simultaneous replacement.
Instructions for removing the electric brush socket and its cord cover on S 254i and S 255i models.
Information on suction hoses with integrated wiring for S 254i, S 255i, and S 278i models.
Procedure for accessing and servicing the turbo brush for Miele S 2xx canister vacuum cleaners.
Instructions for removing and re-installing the buffer/bumper strip for S 3xx and S 4xx models.
Steps to remove and unclip the grill for the HEPA filter on Miele S 3xx canister vacuum cleaners.
Information on a modified castor and washer for improved floor-running properties in S 2xx vacuum cleaners.
Analysis of dustbag and dust guide sealing ring issues causing dirt in the dustbag compartment for S 27x/S 28x.
Troubleshooting guide for poor suction performance in S 27x and S 28x models, focusing on motor seal issues.
Guidance on improving blower performance in S 27x and S 28x models by installing a blower plate.
Instructions on how to adjust the dustbag change indicator sensitivity for S 3xx models.
Troubleshooting steps for low suction power in S 3xx models, checking connections, filters, and seals.
Diagnosis and remedy for motors that do not operate, specifically worn brushes in S 345i and S 445i models.
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