EGO BCA1200 User manual

REPAIR GUIDELINE
Brush Cutter Attachment_BCA1200
Version: 1
Issue Date: 12/02/2016

Table of Contents
2
NO.
Contents
Page
1
Troubleshooting
3
2
Tool list
4
3
Part 1: Replace the Blade and Gear Case
5-29

Troubleshooting
3
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.

Tool List For Repair
4
NO.
Tool List
SPEC
Remark
1
Socket wrench
14mm
2
Hex wrench
4mm

5
Part 1: Replace the Blade and Gear Case

1. Press the locking bar to remove the blade cover.
6
Replace the Blade and Gear Case
Press
Locking bar

2. Loosen 2 screws to disassemble the guard assembly, if the guard assembly is broken, replace
it with a new one.
7
Replace the Blade and Gear Case
Description
Part Number
Qty.
Tapping screw
5620216003
1
Guard assembly
2824703001
1
Tapping screw
Guard assembly

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.
8
Replace the Blade and Gear Case

5. Loosen the nut with multifunction wrench clockwise to remove the nut from the shaft.
9
Replace the Blade and Gear Case
Nut
Description
Part Number
Qty.
Nut
5630292001
1

6. Take the outer flange out of the shaft.
7. Take the blade out of the shaft.
10
Replace the Blade and Gear Case
Outer flange Blade
Description
Part Number
Qty.
Outer flange
3421864001
1
Blade
3706105001
1

8. Take the shield out of the shaft.
9. Take the inner flange out of the shaft.
11
Replace the Blade and Gear Case
Shield
Inner flange
Description
Part Number
Qty.
Shield
3706103001
1
Inner flange
3552509001
1

10. Loosen 2 screws to remove the fixing board.
12
Replace the Blade and Gear Case
Fixing board Screw
Description
Part Number
Qty.
Screw
5620216003
1
Fixing board
3705417001
1

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.
13
Replace the Blade and Gear Case
Screw
Gear case assembly

13. Align the hole on the connecting tube with the hole on the gear case and then tighten them
together with the screw.
14
Replace the Blade and Gear Case
Hole
Hole

14. Mount the fixing board onto the connecting tube and assemble them with screws.
15
Replace the Blade and Gear Case

15. Mount the inner flange onto the shaft.
16. Mount the shield onto the shaft.
16
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.
17
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.
18
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.
19
Replace the Blade and Gear Case

24. Mount the blade onto the blade cover and press the locking bar to assemble them.
20
Replace the Blade and Gear Case