Problem
Possible cause
Solution
The machine cuts
grass unevenly.
The lawn is rough. Examine the mow-
ing area.
The blade height is
not set correctly.
Move the wheels
to a higher posi-
tion.
The machine does
not mulch correct-
ly.
Wet grass clip-
pings attach to the
deck.
Wait until the
grass dries before
mowing.
The mulch plug is
missing.
Install the mulch
plug.
The machine is
hard to push.
The grass is too
tall, or the blade
height is too low.
Increase the blade
height.
The grass catcher
and the blade
drags in thick
grass.
Empty the grass
clippings from the
grass catcher.
There is a high vi-
bration in the ma-
chine.
The blade is un-
balanced and
worn.
Replace the blade.
The motor shaft is
bent.
1. Stop the mo-
tor.
2. Remove the
safety key and
battery pack.
3. Disconnect the
power source.
4. Inspect for
damage.
5. Repair the ma-
chine before
you start it
again.
The machine stops
during mowing.
The blade height is
too low.
Increase the blade
height.
The battery pack is
out of power.
Charge the battery
pack.
The grass clip-
pings attach to the
deck or the blade.
Remove the bat-
tery pack and
check the deck.
Operation temper-
ature of the ma-
chine is too high.
Cool the machine.
* If you cannot find the solution to these problems, go to the
service center.
11
TECHNICAL DATA
Voltage
80 V
Motor
Brushless
No load speed
2800 RPM / 3200 RPM
（
Turbo
）
Self-propelled speed
1.9-4.3 fps (0.6-1.3 m/s)
Deck size
21"
Height adjustments
1-3/8 - 4” (3.5 - 10.2 cm)
Front wheel
8"
Rear wheel
10"
Functions
3-in-1 (Mulch, Rear Bag, Side Dis-
charge, Turbo)
Weight (without bat-
tery pack)
62.8 lbs (28.5 kg)
Battery model
BAB727/BAB728 and other BAB
series
Charger model
CAB801/ 2901402/ GCH8020/
CAB812 and other CAB series
12
LIMITED WARRANTY
M
E
IL
L
E
U
R
D
A
N
S
SA
CAT
ÉGORIE •
M
EJ
O
R
E
N
C
L
A
S
E
B
EST
IN CLASS
GARANTIE OUTIL &
BATTERIE • GARANTÍA PARA
HERRAMIENTAS Y BATERÍAS
Greenworks hereby warranties this product, to the original
purchaser with proof of purchase, for a period of four (4)
years against defects in materials, parts or workmanship.
Greenworks, at its own discretion will repair or replace any
and all parts found to be defective, through normal use, free
of charge to the customer. This warranty is valid only for
units which have been used for personal use that have not
been hired or rented for industrial/commercial use, and that
have been maintained in accordance with the instructions in
the owners’ manual supplied with the product from new.
ITEMS NOT COVERED BY WARRANTY:
1. Any part that has become inoperative due to misuse,
commercial use, abuse, neglect, accident, improper
maintenance, or alteration; or
2. The unit, if it has not been operated and/or maintained in
accordance with the owner's manual; or
3. Normal wear;
4. Routine maintenance items such as lubricants, blade
sharpening;
5. Normal deterioration of the exterior finish due to use or
exposure.
14
English
EN
Summary of Contents for LMB412
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