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Service Manual
Vacuum Cleaner
MODELS S171i / S172i

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Table of Contents
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Summary of Contents for Miele S171i

  • Page 1 Service Manual Vacuum Cleaner MODELS S171i / S172i ...
  • Page 2: Table Of Contents

    Motor Replacement Carbon Brush Replacement 2.7 Thermal Fuse Replacement 2.8 Power Cord Replacement 2.9 On-Off Switch Replacement 2.10 Power Control Replacement 2.11 Potentiometer Replacement 2.12 Troubleshooting Guide 9.0 Wiring Diagrams 9.1 S171i 9.2 S172i 10. Parts List 12 - 17...
  • Page 3: Construction And Design

    2 ply recyclable paper 1.2.4 Dust Bag Volume 6 quarts 1.2.5 Operational Radius 25 feet standard 34 feet with Extension 1.2.6. Weight S171i - 13.7 lbs S172I - 14.1 lbs 1.2.7 Electrical Connection 120 Vac, 60 Hz 1.2.8 Rated Load 800 Watts 1.2.9...
  • Page 4: Accessories

    Technical Information S171 i / S172 i 1.3 Accessories 1.4 Standard Accessories Extension Wand Crevice Tool Dusting Brush...
  • Page 5: Brush Roller Replacement

    Technical Information S171 i / S172 i 2.0 REPLACING THE MAIN PARTS IMPORTANT: BEFORE REPLACING ANY PART ALWAYS UNPLUG THE VACUUM FROM THE ELECTRICAL SUPPLY. 2.1 REPLACING THE BELT 1. Loosen the 4 screws from the base plate and remove base plate. (Fig. 1) 2.
  • Page 6: Replacement Of Beater Bar Selector

    Technical Information S171 i / S172 i 2.4 REPLACING THE BEATER BAR SELECTOR 1. Remove the base plate as outlined in section 2.1. 2. Release the belt from the motor shaft. 3. Loosen the screw holding the lever selector, two holding the fixing lever selector and one holding the spring button selector.
  • Page 7: Motor Replacement

    Technical Information S171 i / S172 i 1. Remove the motor as outlined in section 2.5. 2. Bend the metal end of the carbon brush holder so it is out of the way and pull out the carbon brush. (Fig. 12) 3.
  • Page 8: Power Cord Replacement

    Technical Information S171 i / S172 i 2.10 REPLACING THE POWER CONTROL 2.8 REPLACING THE POWER CORD 1. Loosen the two screws from the switch cover and remove cover. (Fig. 16) 2. Remove the two screws from the cord stopper. (Fig.
  • Page 9: Power Control Replacement

    Technical Information S171 i / S172 i AND POTENTIOMETER (S172i) 1. Remove the switch cover as outlined in section 2. Press the two clamps holding the power control unit in it’s housing and remove. (Fig. 20) 3. Disconnect the yellow and black wires from the power control.
  • Page 10: Troubleshooting Guide

    Technical Information S171 i / S172 i CONDITION CHECK POINT METHOD OF INSPECTION CAUSE/REMEDY Motor fails to operate Power cord Check power cord continuity. If there is no continuity, replace (no noise is heard at all). Motor continuity Check continuity of motor and lead wires. Carbon brush not Check if there is gap between If there is gap between carbon...
  • Page 11 Technical Information S171 i / S172 i...
  • Page 12: S172I

    Technical Information S171 i / S172 i...
  • Page 13: Parts List

    Technical Information S171 i / S172 i PARTS LIST...
  • Page 14 Technical Information S171 i / S172 i EXPLODED VIEW...
  • Page 15 Technical Information S171 i / S172 i EXPLODED VIEW...
  • Page 16 Parallel lead wire B D31G9000 Connector cover D29G9063 Tapping screw XTN4+18B Suction pipe H02G1034 Belt (pack 2/pcs.) SO1 B41 00 New part no. for models S170i/S171i/S172i/S174i Button selector R31G1034 Lever selector R23G1000 Fixing screw C08G1000 Spring button selector R33G1100 Tapping screw XTN4+128...
  • Page 17 XUZ0300J Tapping screw XTN4+18B Dust cover T01G8073 Dust cover T01G90A3 Electrostatic filter S02B0000 New part no. For models (pack 3/pcs.) S170i/S171i/S172i Electrostatic filter support FI891034 Common with S170i Handle unit H99G1073 Handle unit H99G10A3 Hook A H0791 073 Hook A...
  • Page 18 Technical Information S171 i / S172 i Cable connector E0671 000 Parallel lead wire A D30G8000 Parallel lead wire A D30G9000 Insulating sleeve 1-480435-0 For main switch terminals...

This manual is also suitable for:

S172i

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