EGO LM2120E-SP User manual

REPAIR GUIDELINE
PART 1: BLADE REMOVAL & INSTALLATION-LM2120E-SP Lawn Mower
1

Table of Contents
NO. Contents Pa e
1Blade Removal 3-5
2Blade Installation 6-9
LM2120E-S Lawn Mower
2

1. Release switches and remove the battery pack from the mower.
2. Wear protective gloves, turn the mower on its side (Fig. 1).
3. lace a metal rod (e.g., a screwdriver) with a diameter between 9 - 11mm into the fixing hole to
act as a stabilizer and place another metal rod (e.g., a long bit) with a diameter between 5 -
6.35mm into the holes to act as another stabilizer (Fig. 2).
1. Blade Removal
3
1
Fixing hole
Another
Stabilizer
Stabilizer
2
LM2120E-S Lawn Mower

4. Use a 14mm wrench to turn the blade bolt counterclockwise to loosen it.
1. Blade Removal
4
Another Stabilizer
Loosen
Stabilizer
LM2120E-S Lawn Mower

Motor shaft
Blade
Fan
Outer flange
Bolt
Inner flange
5. Remove the bolt, outer flange and blade. Replace any broken or worn parts.
6. Remove the inner flange and fan from the motor shaft, then replace any broken or worn parts.
Description Part Number SPEC
Bolt 5640226001 M10×25
Outer flange 5650510001 ---
Blade 3706059001 ---
Inner flange 3520852002 ---
Fan 3127847001 ---
5
1. Blade Removal LM2120E-S Lawn Mower

Fan
Inner flange
1. Fix the inner flange to the fan.
2. Mount the fan and the inner flange onto the motor shaft with the fan blade towards the deck.
2. Blade Installation
Wrong assembly of
the fan
Fan blades towards deck
Fan
Motor shaft
6
LM2120E-S Lawn Mower

3. Mount the blade onto the inner flange with the
surface stating “THIS SIDE FACING GRASS” facing
outwards (Fig. 1) .
4. Aligning the flat position of the outer flange with
the corresponding flat position on the motor
shaft, mount the outer flange in place(Fig. 2).
2. Blade Installation
Flat position
Outer Flange
This side facing outside
Flat position on the motor shaft
1 2
Flat position
7
LM2120E-S Lawn Mower

5. Fix the bolt into the shaft and pre-tighten it in a clockwise direction by hand.
2. Blade Installation
Outer flange
Bolt
re-tighten by hand
8
LM2120E-S Lawn Mower

6. Turn the blade by hand to align the holes in the blade with the holes in the inner flange(Fig. 1).
7. lace a metal rod (e.g., a long bit) with a diameter between 5 - 6.35mm into the aligning hole to act as
a stabilizer. lace another metal rod (e.g., a manual screwdriver) with a diameter between 9 - 11mm
into the fixing hole on the deck to act as another stabilizer(Fig. 2).
8. Use a torque wrench(S=14mm) to tighten the bolt clockwise. The recommended torque for the blade
bolt is 49-59Nm.
2. Blade Installation
Stabilizer 2
Stabilizer 1
Tighten
Align the hole
11 2
9
THE END
LM2120E-S Lawn Mower

REPAIR GUIDELINE
PART 3: REAR COVER_LM2120E-SP Lawn Mower

Description Part umber
Rear Cover 3126689003
Rear Cover
2
Rear Cover Replacement LM2120E-SP Lawn Mower

1. Detach the ervice cover from the mower by loo ening the 6 crew .
3
Rear Cover Replacement LM2120E-SP Lawn Mower

2. Pull out the haft from right ide by hand (Fig. 1).
3. Take down the rear cover and haft (Fig. 2).
Description Part umber SPEC
Shaft 5670345001 Φ7x 345
Shaft
12
4
Rear Cover Replacement LM2120E-SP Lawn Mower

4. Remove the pring from the rear cover.
5. Replace with a new rear cover or tor ion pring.
Description Part umber SPEC
Tor ion Spring 3660559001 15.2x25
5
Rear Cover Replacement LM2120E-SP Lawn Mower

6. In ert the horter foot of the tor ion pring into the groove of the rear cover.
In ert
6
Rear Cover Replacement LM2120E-SP Lawn Mower

7. Po ition the rear cover and tor ion pring a embly in the deck. The foot of the pring hould
be in the deck groove.
Re ted on the groove
7
Rear Cover Replacement LM2120E-SP Lawn Mower

8. In ert the haft through the hole on the mower and the tor ion pring, and pu h it into po ition.
Align the haft to the fixing
hole and pu h it into po ition.
THE END
9. Lift up the rear cover to check if it can rotate around the haft moothly. If it work well, mount
the ervice cover onto the mower by tightening the 6 crew .
8
Rear Cover Replacement LM2120E-SP Lawn Mower

REPAIR GUIDELINE
PART 4: TOP HANDLE & SWITCH BOX COVER_LM2120E-SP Lawn Mow r

Table of Contents
NO. Cont nts Pag
1Opening the Switch Box Cover 4-6
2The Safety Button eplacement 7-10
3The Main Switch Set(Lever/Trigger) eplacement 11-13
4The Top Handle eplacement 14
5The Top & Bottom Switch Box Cover eplacement 15
6The Main Switch/Self-propelled Switch/Speed-adjusting PCB
eplacement 16-26
7Closing the Switch Box Cover 27-29
LM2120E-SP Lawn Mower

When opening the switch box covers, the following relevant parts can be replaced:
D scription Part Numb r
Main Switch 4870566001
Main Switch Trigger 3127908001
Main Switch Lever 2824118001
Self-propelled Switch 4870563001
Self-propelled Lever 3127928001
Switch Actuator 3127905001
Safety Button 3127929001
Top Handle 2823782001
Self-propelled Speed-adjusting
PCB 4890439003
Self-propelled Speed-adjusting
Knob 3127930001
Top & Bottom Switch Box Set 2824305001
3
Top Handle & Parts in Switch Box Cover eplacement LM2120E-SP Lawn Mower