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EGO STA1700 Repair Manual

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REPAIR MANUAL
STA1700
Version: A
Introduction date: 2025
1

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Summary of Contents for EGO STA1700

  • Page 1 REPAIR MANUAL STA1700 Version: A Introduction date: 2025...
  • Page 2 CONTENTS About the tool Replacement...
  • Page 3 SECTION ABOUT THE TOOL Product features Service maintenance...
  • Page 4 SECTION A.00 PRODUCT FEATURES WARRANTY DURATION DOMESTIC * Extended warranty period applies only after registering product on egopowerplus.eu/register KEY FEATURES within 30 days of purchase. Otherwise standard warranty periods apply. • Standard domestic = 2 years MODEL • Standard professional = 1 year Maximum Speed 7000 /min (RPM) * Extended warranty applies only to the original...
  • Page 5 SECTION A.10 SERVICE MAINTENANCE Maintenance Actions Each Each use season TRANSMISSION GEARS LUBRICATION  SHARPEN THE LINE-CUTTING BLADE  ➁ ➀...

  • Page 6: Important Notice

    SECTION REPLACEMENT Important notice How to replace the Top Cover Assembly How to replace the Micro Switch How to replace the Shaft Assembly and Gear case assembly...
  • Page 7 SECTION B.00 IMPORTANT NOTICE...
  • Page 8 SECTION B.10 HOW TO REPLACE THE TOP COVER ASSEMBLY STEP 1 / 4 1. Press the buttons on the trimmer head as shown in below pictures to remove the lower cover.
  • Page 9 SECTION B.10 HOW TO REPLACE THE TOP COVER ASSEMBLY STEP 2 / 4 2. Loosen the nut clockwise to remove the Top Cover Assembly. #6 Top Cover Assembly Part number 2851742001...
  • Page 10 SECTION B.10 HOW TO REPLACE THE TOP COVER ASSEMBLY STEP 3 / 4 3. Replace a new top cover assembly. Align the slot on the top cover assembly with the slot on the gear shaft, then place the top cover assembly on the shaft. Align the slots...
  • Page 11 SECTION B.10 HOW TO REPLACE THE TOP COVER ASSEMBLY STEP 4 / 4 4. Tighten the nut counterclockwise to fix the top cover assembly, then place the lower cover on the top cover assembly.
  • Page 12 SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 1 / 8 1. Loosen 3 screws to remove the Top Switch Box Cover, Switch Lever and Bottom Switch Box Cover . Bottom Switch Box Cover Top Switch Box Cover Switch Lever...

  • Page 13: Switch Support

    SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 2 / 8 2. Remove the switch support. Switch support...
  • Page 14 SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 3 / 8 3. Remove the shrinkable tubes on the wires.
  • Page 15 SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 4 / 8 4. Un-weld the wires, then remove the micro switch.
  • Page 16 SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 5 / 8 5. Replace a new micro switch. Place two shrinkable tubes on the wires before welding.
  • Page 17 SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 6 / 8 6. Weld the wires.
  • Page 18 SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 7 / 8 7. Place the shrinkable tubes on the welding points and shrink the tubes.
  • Page 19 SECTION B.20 HOW TO REPLACE THE MICRO SWITCH STEP 8 / 8 8. Place the switch support the shaft and place the switch on the support. Place the Top Switch Box Cover and Bottom Switch Box Cover on the shaft, then tighten 3 screws to fix them. Top Switch Box Cover Switch support Switch Lever...
  • Page 20 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 1 / 16 1. Press the buttons on the trimmer head as shown in below pictures to remove the lower cover.
  • Page 21 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 2 / 16 2. Loosen the nut clockwise to remove the Top Cover Assembly. #6 Top Cover Assembly Part number 2851742001...
  • Page 22 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 3 / 16 3. Loosen 3 screws to remove the Top Switch Box Cover, Switch Lever and Bottom Switch Box Cover . Bottom Switch Box Cover Top Switch Box Cover Switch Lever...
  • Page 23 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 4 / 16 4. Remove the switch support. Switch support...
  • Page 24 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 5 / 16 5. Remove the shrinkable tubes on the wires.
  • Page 25 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 6 / 16 6. Un-weld the wires, then remove the micro switch.
  • Page 26 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 7/ 16 7. Loosen 3 hex head screws to remove the gear case assembly and shaft assembly.
  • Page 27 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 8/ 16 8. Pull out the shaft assembly from the tube.
  • Page 28 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 9/ 16 9. Replace a new shaft assembly and insert it into the tube.
  • Page 29 SECTION B.30 HOW TO REPLACE THE GEAR CASE ASSEMBLY AND SHAFT ASSEMBLY STEP 10/ 16 10. Push the shaft and tube assembly into the gear case assembly. The hole on the gear case should be Pull out the wires from the hole aligned with the hole on the tube in the same direction...
  • Page 30 SECTION B.30 HOW TO REPLACE THE MICRO SWITCH STEP 11 / 16 11. Place two shrinkable tubes on the wires before welding.
  • Page 31 SECTION B.30 HOW TO REPLACE THE MICRO SWITCH STEP 12 / 16 12. Weld the wires.
  • Page 32 SECTION B.30 HOW TO REPLACE THE MICRO SWITCH STEP 13 / 16 13. Place the shrinkable tubes on the welding points and shrink the tubes.
  • Page 33 SECTION B.30 HOW TO REPLACE THE MICRO SWITCH STEP 14 / 16 14. Place the switch support the shaft and place the switch on the support. Place the Top Switch Box Cover and Bottom Switch Box Cover on the shaft, then tighten 3 screws to fix them. Top Switch Box Cover Switch support Switch Lever...
  • Page 34 SECTION B.30 HOW TO REPLACE THE TOP COVER ASSEMBLY STEP 15 / 16 15. Replace a new top cover assembly. Align the slot on the top cover assembly with the slot on the gear shaft, then place the top cover assembly on the shaft. Align the slots...
  • Page 35 SECTION B.30 HOW TO REPLACE THE TOP COVER ASSEMBLY STEP 16 / 16 16. Tighten the nut counterclockwise to fix the top cover assembly, then place the lower cover on the top cover assembly.