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Table of Contents Contents Page Troubleshooting Tool list Part 1: Replace the Blade and Gear Case 5-29...
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Troubleshooting Problem Possible Cause Fault Position Test & Solution Blade worn Overload or wear and tear Blade Replace it with a new one Noise Lack of grease in gearbox Gear case Add grease Excessive vibration Unbalanced/ Eccentric blade Blade Replace or fit blade correctly.
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Tool List For Repair Tool List SPEC Remark Socket wrench 14mm Hex wrench...
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Replace the Blade and Gear Case 1. Press the locking bar to remove the blade cover. Locking bar Press...
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Replace the Blade and Gear Case 2. Loosen 2 screws to disassemble the guard assembly, if the guard assembly is broken, replace it with a new one. Guard assembly Tapping screw Description Part Number Qty. Tapping screw 5620216003 Guard assembly 2824703001...
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Replace the Blade and Gear Case 3. Rotate the blade to align the slot in the flange with the hole in the gear case. 4. Insert the hex wrench into the aligned holes to act as a stabilizer.
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Replace the Blade and Gear Case 5. Loosen the nut with multifunction wrench clockwise to remove the nut from the shaft. Description Part Number Qty. 5630292001...
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Replace the Blade and Gear Case 6. Take the outer flange out of the shaft. 7. Take the blade out of the shaft. Outer flange Blade Description Part Number Qty. Outer flange 3421864001 Blade 3706105001...
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Replace the Blade and Gear Case 8. Take the shield out of the shaft. 9. Take the inner flange out of the shaft. Shield Inner flange Description Part Number Qty. Shield 3706103001 Inner flange 3552509001...
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Replace the Blade and Gear Case 10. Loosen 2 screws to remove the fixing board. Fixing board Screw Description Part Number Qty. Screw 5620216003 Fixing board 3705417001...
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Replace the Blade and Gear Case 11. Loosen the screw to separate the gear case assembly from the connecting tube. 12. If any part was broken or worn, replace it with a new one. Screw Gear case assembly...
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Replace the Blade and Gear Case 13. Align the hole on the connecting tube with the hole on the gear case and then tighten them together with the screw. Hole Hole...
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Replace the Blade and Gear Case 14. Mount the fixing board onto the connecting tube and assemble them with screws.
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Replace the Blade and Gear Case 15. Mount the inner flange onto the shaft. 16. Mount the shield onto the shaft.
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Replace the Blade and Gear Case 17. Mount the blade onto the shaft. 18. Mount the outer flange onto the shaft. 19. Mount the nut onto the shaft and pre-tighten it anticlockwise.
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Replace the Blade and Gear Case 20. Rotate the blade to align the slot in the flange with the hole in the gear case. 21. Insert the hex wrench into the aligned holes to act as a stabilizer. 22. Tighten the nut anticlockwise with multi-function wrench.
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Replace the Blade and Gear Case 23. Align the holes on the fixing board with the holes on the connecting tube to assemble them with screws.
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Replace the Blade and Gear Case 24. Mount the blade onto the blade cover and press the locking bar to assemble them.
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