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SPECIAL OPERATION SAFETY FOR THE CHARGER

1.   Recharge only with the charger specified by the manufacturer. Do not use the original charger on other 

li-ion batteries or on any other type of battery—fire or explosion may occur.

2.   Check the battery charger, cable and plug each time before using. Do not use the battery charger when 

defects are detected. Do not open the battery charger yourself and have it repaired only by qualified 
personnel using original spare parts.

3.   The charger is designed to use standard household 100-120 V, 50/60 Hz power source. The charger’s 

plug must match the outlet. Never modify the plug in any way. Unmodified plugs and matching outlets 
will reduce risk of electric shock.

4.   Do not abuse the cord of charger. Never use the cord for carrying, pulling or unplugging the charger. 

Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the 
risk of electric shock.

5.   Make sure the charger cord is located so that it will not be stepped on, tripped over, or otherwise 

subjected to damage or stress.

6.   Keep the battery charger clean. Contamination may cause the danger of electric shock.
7.   Protect the battery charger from rain and moisture. The penetration of water in a battery charger 

increases the risk of electric shock.

8.   Do not operate the battery charger on easily inflammable surfaces (e.g. paper, textiles, etc.) or in 

combustible environments. There is danger of fire due to the heating of the battery charger during 
charging.

9.   The temperature range over which the battery pack can be charged is typically 41° F to 113° F. 

Therefore, charging efforts outside the prescribed temperature range may automatically be blocked by 
the protection circuitry of the battery pack. Longest life and best performance can be obtained if the 
battery pack is charged in the normal room condition.

10.  Disconnect charger from the power supply when not in use. This will reduce the risk of electric shock 

or damage to the charger if metal items should fall into the opening.

11.  The charger is for indoor use only.

SPECIAL OPERATION SAFETY FOR THE BATTERY PACK

1.  The Li-ion battery pack is not fully charged at the factory. Before attempting to use it, the battery must 

be fully charged first.

2.  The battery pack should be recharged when it fails to produce sufficient power on jobs which were 

easily done previously. DO NOT CONTINUE using product with its battery in a depleted condition.

3.   Do not charge the battery in an air temperature below 41° F or above 113° F. This is important and 

will prevent serious damage to the battery. Longest life and best performance can be obtained if the 
battery is charged when air temperature is about 68 °F.

4.   When the machine continues to be used and the battery temperature is above 113° F, the battery 

can not be charged, even you put on the charger. Let the machine cool for some times and wait the 
temperature reduced, it can be charged again.

5.   Protect the battery pack against heat, e.g. including against continuous sun exposure and fire. There is 

a danger of explosion.

6.   Do not carry individual battery packs in your pockets or bags, as they could short-circuit against other 

metal items.

7.   If an exposed li-ion battery pack does start a fire, it will burn even more violently if it comes into contact 

with water or even the moisture in the air. DO NOT throw water on a burning li-ion battery! A fire 
extinguisher must be used.

8.   If the battery pack becomes too hot to the touch during charging, disconnect and switch off 

immediately. Contact at 866-902-9690.

9.   Do not open the battery yourself. There is danger of a short circuit.
10.  When battery pack is not in use, keep it away from other metal objects, lie paperclips, coins, keys, 

nails, screws or other small metal objects, that can make a connection from one terminal to another. 
Shorting the battery terminals together may cause burns or a fire.

MAINTENANCE AND STORAGE

1.   Keep all nuts, bolts and screws tight to be sure the product is in safe working condition.
2.   Check the grass collector frequently for wear or deterioration.
3.   Be careful during adjustment of the product to prevent entrapment of the fingers between moving 

blades and fixed parts of the product.

4.   Always allow the product to cool down before storing.
5.   When servicing the blades, be aware that even though the power source is switched off, the blades can 

still be moved.

6.   Replace worn or damaged parts for safety. Use only genuine replacement parts and accessories.
7.   DO NOT attempt to open the charger and battery pack. There is no customer serviceable parts inside. 

Return to any authorized service center.

8.   Store the appliance with battery pack fully charged at the room temperature (around 68° F).
9.   Every deep discharge cycle decrease the capacity of battery pack. To prolong battery life, recommend 

to charge the battery every 6 months, which over extended periods of time without use.

Service

a)  Have your tool repaired by an authorized service agent. This tool is manufactured in accordance 

with the relevant safety regulations. To avoid danger, equipment must only be repaired by qualified 
technicians.

b)  Only use parts and accessories made for this machine by the manufacturer. Failure to do so can result 

in personal injury.

RESIDUAL RISKS

Even if you are operating this product in accordance with all the safety requirements, potential risks of injury 
and damage remain. The following dangers can arise in connection with the structure and design of this 
product:
-   Health defects resulting from vibration emission if the product is being used over long periods of time 

or not adequately managed and properly maintained.

-   Injuries and damage to property due to broken application tools or the sudden impact of hidden 

objects during use.

-   Danger of injury and property damage caused by flying objects.

  WARNING!

 This product produces an electromagnetic field during operation! This field may under 

some circumstances interfere with active or passive medical implants. To reduce the risk of serious 
or fatal injury, we recommend persons with medical implants to consult their doctor and the 
medical implant manufacturer before operating this product!

SAFETY INSTRUCTIONS

SAFETY INSTRUCTIONS

Summary of Contents for Y0LMX21P300

Page 1: ... facility For immediate help with assembly or for additional product information visit www YardForceUSA com or email support MerotecUSA com You will need this manual for safety instructions operating procedures and Warranty The original sales receipt is required for warranty service Model Y0LMX21P300 21 CORDLESS PUSH LAWN MOWER OPERATOR S MANUAL 120v LITHIUM ION TM ...

Page 2: ...als 7 Do not mow when children or others are around Keep safety devices guards shields switches etc in place and working 8 Look down and behind before and while moving backwards 9 Remove objects that could be thrown by the blade 10 To reduce the risk of eye injury wear safety glasses 11 Meet CPSC blade safety requirements 12 Use only SUMEC 120V Li ion battery Y0L120BAT2 5 and SUMEC battery charger...

Page 3: ...de discharge chute x 1 i Manual x 1 j Handle quick release lever x 2 Fig 2 a e f g h i b c d j Carefully remove the machine and parts from its packaging Identify all the parts packaged in the carton against the parts list Please contact our customer service center Monday Friday 8 30AM 5 00PM ET at 866 902 9690 if anything is missing WARNING If any parts are damaged or missing do not operate this t...

Page 4: ...e safety shields while engine is running Keep bystanders away Look behind while backing Steep slope hazard Severing of toes or fingers rotary mower blade Thrown or flying objects whole body exposure Remove disabling device before maintenance Requirement of wearing ear protection eye protection and gloves when using the product Do not expose and operate the tool in rain Wait until all machine compo...

Page 5: ... hazards occurring to other people or their property Preparation 1 While operating the product always wear substantial footwear and long trousers Do not operate the product when barefoot or wearing open sandals Avoid wearing clothing that is loose fitting or that has hanging cords or ties 2 Thoroughly inspect the area where the product is to be used and remove all objects which can be thrown by th...

Page 6: ...tinuous sun exposure and fire There is a danger of explosion 6 Do not carry individual battery packs in your pockets or bags as they could short circuit against other metal items 7 If an exposed li ion battery pack does start a fire it will burn even more violently if it comes into contact with water or even the moisture in the air DO NOT throw water on a burning li ion battery A fire extinguisher...

Page 7: ...d lock in place using the handle tension knob and tensioning bolts Ensure the lower and upper handles are firmly connected A wrench is needed to tighten the nut Fig 5 ASSEMBLY Check the cable clips fitting Make sure the cable clips fits on upper handle securely and the cable into the cable clips See Fig 6 Fig 6 Fit grass bag onto the mower 1 Lift the rear flap and remove the pre assembled mulching...

Page 8: ...ompletely Then remove the battery completely NOTE his lawn mower has three functions These functions can be converted by changing accessory setting as described above Please see the following chart for detail Mulching plug Grass bag Side discharge chute Collection Mulching Side Discharge installed uninstalled The following information Collection the grass has been cut and collected by grass bag Mu...

Page 9: ...nication This refers to poor connection between charger and battery pack Fault with battery pack The battery pack will need to be returned to customer service center for repairs BATTERY PACK OPERATION See Fig 14 1 When you push the power indicator button the green LED lights will show the power remaining see Fig 14 a Fig 14a 2 When the battery pack over discharges or remains very low power the red...

Page 10: ...rotate Then release the safety lock button See Fig 19 Fig 19 3 During the normal operation the indicators on the power head will shine accordingly to show the remaining capacity of battery pack See Fig 20 Fig 20 4 During the normal operation once the capacity of battery pack becomes low the LED light of Power ON OFF button will turn red CAUTION 1 Do not start the motor in tall grass 2 Before start...

Page 11: ...has come to a stop 1 To take off the grass bag use one hand to lift up ejector flap and the other to grab onto the carry handle The ejector flap automatically falls down after removing the grass bag and closes off the rear chute opening 2 Empty the grass debris in the grass bag and refit grass bag NOTE If any grass residue is caught in the discharge chute clean it using a brush Do not remove grass...

Page 12: ...ction Cause Remedy Mower fails to start Safety key is not inserted Insert safety key Battery is not correctly inserted Remove the battery and reinsert Mower standing in high grass Start motor on shorter grass or already mowed area change cutting height if necessary The mower housing is clogged Clean housing so that the blade can move freely Battery has no power check and recharge battery Mower sto...

Page 13: ...d of 90 days from date of purchase Warranty does not cover loss of use or other consequential damages arising from any of the above nor does it cover repairs made or attempted by unauthorized persons This warranty is void if the product is used for commercial rental or industrial purposes Certain parts attachments and accessories are subject to normal wear and tear and are excluded from the warran...

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