Mean Green STALKER SO 122 Series Operation and maintenance manual

MEAN GREEN – MGE GREEN SERVICE
Le Parc de Belle-Île – 8, rue de Belle Île
72190 Coulaines – Le Mans Métropole – France
T. [phone] (Sales Service & After-Sale Service)
www.mge-greenservice.com & www.meangreenmowers.eu
STALKER SO 122
Instructions notice
(Original)

1
Sommaire
Page :
I. General information
3
II. Information related to warranty
4
1. Warranty registration
4
2. What is covered by warranty?
5
A. Residential use
5
B. Commercial use
6
C. Rental use
6
3. Who must perform the warranty service?
7
4. What is not covered by this warranty?
7
5. Conditions related to warranty
7
III. Technical data
9
IV. Safety precautions
10
1. Safety instructions
10
2. Safety and instructions decals
11
3. Disconnecting the batteries lithium-ion
18
4. Dealer network training – Electrical accreditation
19
V. Electrical system
19
1. Electrical system safety
19
2. Electrical system information
20
3. Component maintenance
20
4. Battery safety instructions
20
5. Battery connectors – Battery maintenance
20
6. Battery charging procedure
21
7. Connection / disconnection of charger onto mower
22
8. Connecting lithium batteries onto mower
23
9. Troubleshooting– Symptoms – Suggested remedies
24
VI. Using the mower – Control buttons
25
1. Seat adjustment – Ergonomics
25
2. Dashboard – Main controls
26
3. Fault codes – Troubleshooting of routine problems
28
4. Blade warning LED light system
29
5. Drive control bars of the mower
31
VII. Using the mower - Operation
32
1. Safety start interlock system
32
2. Starting the mower
32
3. Stopping the mower
32
4. Driving the mower
33
5. Operating suggestions
35
6. Deck cutting height adjustment
36
7. Anti-scalp wheels
37
8. Mower emergency drive brake release levers
37
VIII. Operation – Recommended operating practices
39
1. Before and during the mowing job
39
2. Using a ramp
41
3. Slope operation
41
4. Precautionary measures to protect children
43

2
IX. Maintenance - Adjustments
44
1. Safe servicing practices
44
2. Safety preconditions to respect
44
3. Regular maintenance
46
4. Torque values
46
5. Tires
47
6. Electrical system
47
7. Battery compartment OPEN / CLOSE
48
8. Mower blade maintenance
48
9. Mower blade removal
49
10. Mower blade installation
49
X. General instructions panel
51
XI. Storage - Wintering
53
1. Recommended instructions
53
2. New season preparation
53
3. Lithium energy module maintenance and care
54

3
I. GENERAL INFORMATION
This INSTRUCTIONS NOTICE (operating manual) applies to the following MEAN GREEN
products: MEAN GREEN mower type STALKER SO 122 Zero Turn model (Z or ZTR).
To the new operator
The purpose of this INSTRUCTIONS NOTICE is to assist owners and operators in maintaining and
operating the mower. Please read it carefully; information and instructions furnished can help you achieve
years of dependable performance.
It is the owner’s responsibility to make certain that the operators and mechanics read and understand
this manual and all decals before operating this machine.
It is also the owner’s responsibility to make certain that the operators and mechanics are qualified and
physically able individuals, properly trained in the operation of this equipment. All operators and mechanics
must become familiar with the safe operation of the equipment, operator controls and safety signs.
Never let children or untrained people operate or service the equipment. Local regulations may restrict the
age of the operator. The owner/user can prevent and is responsible for accidents or injuries occurring to
themselves, other people or property.
Using this INSTRUCTIONS NOTICE document
General operation, adjustment and maintenance guidance is outlined for both the experienced and novice
Mean Green Mower user. Operating conditions vary considerably and cannot all be addressed individually.
Through experience, however, operators should find no difficulty in developing good operating skills suitable
to most conditions.
Directions used in this manual, for example RIGHT or LEFT, refer to directions when seated on the
mower/standing facing forward, unless otherwise stated. Photographs and illustrations used were current
at the time of printing, but subsequent production changes may cause your machine to vary slightly in detail.
MEAN GREEN reserves the right to redesign and change the machine as deemed necessary,
without notification. MEAN GREEN reserves the right to redesign and change the machine as
deemed necessary, without notification. If a change has been made to your machine which is not
reflected in this owner’s manual, or the parts manual, see your MGE MEAN GREEN approved dealer
for current information and parts.

4
II. INFORMATION RELATED TO WARRANTY
1. Warranty registration
a. The Owner must register the unit by filling out the WARRANTY REGISTRATION FORM and the
DELIVERY & FIRST STARTING FORM, provided in the owner’s packet, to validate your warranty
protection. It MUST be completed and MUST be signed by the authorized dealer and the original
purchaser.
b. For confirmation, the WARRANTY REGISTRATION FORM and the DELIVERY & FIRST STARTING
FORM MUST be transmitted to MGE MEAN GREEN within ten (10) days following the delivery date to
the original customer.
c. In absence of delivery-date the purchase date is taken as the delivery date.
www.mge-greenservice.com
MGE MEAN GREEN
Le Parc de Belle-Île – 8 rue de Belle-Île
72190 Coulaines – Le Mans Métropole – France
T. [phone] – [email protected]
Be sure to register the mower plus each attachment that displays a model and serial identification number
plate with Mean Green Products.
IMPORTANT: Any unauthorized modification, alteration, or use of non-approved attachments voids the
warranty and releases MEAN GREEN from any responsibility and liability arising for subsequent use of
the equipment.
Model and serial number
.
.
CE plate location
Parts and service
All warranty repair and service must be handled through an
authorized MGE MEAN GREEN dealer. Arrangements should be
made through your local service center.
Fig. A
CE
plate
The mower serial number is found on the CE identification
plate (Fig. A) located on the rear right-side wall over the
operator platform. The model is the type of MEAN GREEN
mower purchased i.e. STALKER SO 122 stand-on-mower. The
serial numbers and model are required on the Warranty
Registration Form and on the Delivery & First starting form. They
will also assure you on the correct service parts when replacement
becomes necessary

5
2. What is covered by this warranty?
MGE MEAN GREEN makes the following warranty to the original purchaser of mowers manufactured by
MEAN GREEN:
A. Residential use (by home owner not being a professional):
MEAN GREEN Mowers used for normal residential purposes are warranted for two (2) years or 1200
hours total usage (whichever comes first) from date of delivery on all materials and workmanship.
If the Purchaser discovers within this warranty period (two years from date of delivery) a defect in materials
or workmanship, he must promptly notify MGE MEAN GREEN or an authorized dealer, in writing of the
defect.
In no event shall such notification be received by MGE MEAN GREEN, or an authorized dealer later than
twenty-four (24) months from date of delivery. Within a reasonable time after such notification, MGE MEAN
GREEN, will correct any defect in material or workmanship on the MEAN GREEN mower by repairing or
replacing part(s) with either new or used replacement parts. Such repair, including parts and labor shall be
at the expense of MGE MEAN GREEN.
Green Lithium Batteries are warranted for a three (3) year pro-rated limited warranty or 1200 hr. usage,
whichever comes first to the original owner (consumer) only.
1st year 100% Parts and labor
2nd year 100% Parts and labor
3rd year Parts only (cells/BMS)/no labor
NOTE: Failure to properly maintain batteries and keep them from one-half to fully-charged will
reduce battery life and will void battery warranty.
Provisions of this limited Green Lithium Batteries warranty shall not apply due to:
Abuse or neglect such as water damage, loose wiring, or rusted or corroded hardware; lack of proper
maintenance; damage caused by improper installation of the battery, dismantling of battery, apparent
outside force damage, operator not following manual instructions, expired warranty period, neglect,
breakage, sub-zero freezing, fire, explosion, wreckage, the addition of any chemical, operation of the
battery in an overcharged, or the operation of the battery in an uncharged condition (use after BMS shuts
off battery); and a battery charged by systems other than the original equipment type battery charger.
Provisions that constitute Green Lithium Batteries Warranty:
• Battery pack cannot be charged or discharged.
• Under the standard condition for testing, capacity is less than 80% of nominal AH rating in the first year,
70% of nominal AH rating in the 2nd year, 65% of nominal AH rating in 3rd year.
• Liquid leakage.
• Damage to battery pack’s case and/or accessories due to conditions caused by the battery.
.

6
B. Commercial use:
MEAN GREEN mowers used for commercial and institutional use are warranted for two (2) years or 1200
hours total usage (whichever comes first) from date of delivery on all materials and workmanship of
chassis and deck structures and one (2) years or 1200 hours total usage (whichever comes first) from
date of delivery on all other components with the exclusion of wear parts. If the Purchaser discovers within
this warranty period a defect in materials or workmanship: He must promptly notify MGE MEAN GREEN,
or an authorized dealer, in writing of the defect. In no event shall such notification be received by Mean
Green Products, or an authorized dealer later than twenty-four (24) months from date of delivery. Within a
reasonable time after such notification, MGE MEAN GREEN, will correct any defect in material or
workmanship on the MEAN GREEN mower, by repairing or replacing part(s) with either new or used
replacement parts. Such repair, including parts and labor shall be at the expense of MGE MEAN GREEN.
Green Lithium Batteries are warranted for a three (3) year pro-rated limited warranty or 1200 hr. usage,
whichever comes first to the original owner (commercial) only.
1st year 100% Parts and labor
2nd year 100% Parts and labor
3rd year 100% Parts only/no labor
NOTE: Failure to properly maintain batteries and keep them from one-half to fully-charged will
reduce battery life and will void battery warranty.
Provisions of limited Green Lithium Batteries warranty shall not apply due to:
Abuse or neglect such as water damage, loose wiring, or rusted or corroded hardware; lack of proper
maintenance; damage caused by improper installation of the battery, dismantling of battery, apparent
outside force damage, operator not following manual instructions, expired warranty period, neglect,
breakage, sub-zero freezing, fire, explosion, wreckage, the addition of any chemical, operation of the
battery in an overcharged, or the operation of the battery in an uncharged condition (use after BMS shuts
off battery); and a battery charged by systems other than the original equipment type battery charger.
Provisions that constitute Green Lithium Batteries Warranty:
• Battery pack cannot be charged or discharged.
• Under the standard condition for testing, capacity is less than 80% of nominal AH rating in the first year,
70% of nominal AH rating in the 2nd year, 65% of nominal AH rating in 3rd year.
• Liquid leakage.
• Damage to battery pack’s case and/or accessories due to conditions caused by the battery.
C. Rental use:
MEAN GREEN mowers and Green Lithium Batteries used in rental applications are warranted for one (1)
year or 600 hours total usage (whichever comes first) from date of delivery.

7
3. Who must perform the MEAN GREEN Warranty Service?
All warranty service will be performed by dealers or owner mechanics authorized by MGE MEAN GREEN.
Service calls and/or transportation expense of the product to and from the authorized dealer or owner
mechanics for warranty work, will be paid by the owner of the product. For warranty service contact an
authorized dealer.
4. What is not covered by this MEAN GREEN Warranty?
MGE MEAN GREEN, does not warranty:
• Some products, components or parts not manufactured by MEAN GREEN.
• Repairs made by unauthorized persons.
• Damage caused by use of the MEAN GREEN mower for purposes other than those for which it
was designed.
• Damages caused by disasters such as fire, flood, wind, and lightning.
• Damages caused by neglect, abuse, abnormal use, improper or unreasonable use, accident,
negligence, or misuse such as water damage.
• Repairs or replacement resulting from the use of unauthorized parts, accessories or attachments.
• Repairs or replacement as the result if any alterations or modifications, in the determination of the
MEAN GREEN mower, which adversely affects the operation, performance or durability of the
equipment.
• The Mean Green Mower which has the serial number removed or made illegible.
• Depreciation or damage caused by normal wear, lack of reasonable and proper maintenance,
failure to follow the product’s owner’s INSTRUCTIONS NOTICE, maintenance and adjustment
instructions or other operational instructions provided by MGE MEAN GREEN.
• Normal maintenance parts and service including, but not limited to, lubricants, blades, blade
sharpening, bearings, brake or steering adjustments.
5. Conditions related to Warranty
DISCLAIMER OF WARRANTY
The foregoing warranties are in lieu of all other warranties, expressed or implied, including but not limited
to the implied warranties of merchantability and fitness for a particular purpose.
All MEAN GREEN product for which the Warranty registration form has not been dully provided within a ten
(10) days period following the Delivery & First starting date by authorized MGE MEAN GREEN dealer is
excluded of MGE MEAN GREEN Warranty.
MGE MEAN GREEN reserves the right to request from the authorized MGE MEAN GREEN dealer, prior to
the supply and the first starting of the MEAN GREEN mower, precise information regarding the end
customer (name, address, etc.) owning warranty rights on the said mower.
LIMITATION OF REMEDIES
In no case shall MGE MEAN GREEN, be liable for any special, incidental, or consequential damages based
upon breach of warranty, breach of contract, negligence, strict liability in tort, or any other legal theory.
Such damages include, but are not limited to:
• Loss of profits
• Loss of savings or revenue
• Loss of use of the Mean Green Mower or any associated equipment
• Cost of capital
• Cost of any substitute equipment, facilities, services or downtime
• The claims of third parties including customers, and injury to property

8
TIME LIMIT
Any action for breach of warranty must be commenced within twenty-four (24) months following delivery of
the goods in a residential or commercial application. Any action for breach of warranty must be
commenced within twelve to twenty-four (12-24) months following delivery of the goods in a rental
application.
NO OTHER WARRANTIES
This agreement is understood to be the complete and exclusive agreement between the parties,
superseding all prior agreements, oral or written, and all other communications between the parties relating
to the subject matter of this agreement.
ALLOCATION OF RISKS
This agreement allocates the risks of product failure between MGE MEAN GREEN and the purchaser. This
allocation is recognized by both parties and is reflected in the price of the goods.
OWNER'S RESPONSIBILITY
You must maintain your MEAN GREEN mower following the maintenance procedures described in your
owner's INSTRUCTIONS NOTICE (operating manual). Such routine maintenance, whether performed by
a dealer or by you, is at your expense.
This machine like any other powered equipment is potentially dangerous unless properly operated.
Any operator must be cautious and keep safety in mind at all times. Any operator, prior to using the MEAN
GREEN mower, should thoroughly familiarize himself with the owner's manual regarding operation and
safety of the machine, as well as all safety warnings on the machine itself.

9
III. TECHNICAL DATA
© Copyright MGE – Specifications subject to change without notice
STALKER SO 122
Weight with batterie(s)
382 kg (2 batteries)
330 kg (1 battery)
Weight without battery
278 kg
Dimensions L x W x H
L = 1397 mm
W = 1257 mm
H = 1067 mm
Cutting width
1220 mm
Types of cut
Side discharge
Rear discharge
(with mulching kit)
Number of rotors
3
Number of blades
3 clockwise rotation
(side discharge)
2 clockwise rotation +
1 anti-clockwise
rotation (rear
discharge)
Rotation speed
3250-3450 RPM
Height of cut with
mechanical setting
25 mm to 114 mm
15 positions
Ground speed
0 to 13 km/hour
Electrical system
Batterie(s) 48 V
Power 7,9 kW
equivalent 24 HP
Drive transmission
2 electric motors
Blade rotors
1 motor per rotor
Lithium-ion batterie(s)
LEM 48140 140 Ah
Autonomy (number of
battery)
7 hours (2 batteries)
3 ½ hours (1 battery)
Charger
220 V 35 A
Charging time
8 hours (2 batteries)
4 hours (1 battery)
Options
LED light
Front blower
Aluminium grass catcher
Warranty on battery
3 years or 1200 hours*
Warranty on chassis
2 years or 1200 hours*
*Excepted wear parts, upon maintenance program
performed by approved MGE MEAN GREEN dealer**
**Dealer with electrical accreditation provided by
certified body + MGE MEAN GREEN technical training