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MAINTENANCE AND STORAGE

BATTERY MAINTENANCE:

Use the following procedures to enable optimum usage of the battery:
1.   Protect the battery against moisture and water.
2.   Store the battery only with in a temperature range from 32˚ F to 113˚ F. As an example, do not leave the 

battery in the lawn mower in direct sunlight.

3.   Clean the battery occasionally with a soft, clean and dry brush.
4.   If you do not use the product for a long time, please charge and discharge the battery pack once every 

6 months.

STORAGE AND TRANSPORT (See fig. 22)

Fig. 22

After cleaning the unit thoroughly, store it in a dry room and allow the motor to cool down.
1.   Release the Handle Quick release levers, and fold the handles down.
2.   Position the lower handle lock pin into the mower bracket. Lock the handles in place by closing the 

Quick release handle.

   NOTE:

Remove the safety key and battery packs. Ensure cables are not trapped when folding/unfolding 
the handle. If stored vertically –Make sure it is position in a corner so that the blade is facing 
inwards to a wall and it is secure to prevent accidentally falling over.

TRANSPORT

Use the original packaging to ship whenever possible.

TROUBLE SHOOTING

 WARNING! 

Before performing any repair work, always ensure that the battery pack/safety key has 

 

been removed and wait until the blade has stopped completely and the tool has cooled down.

 WARNING! 

Always wear heavy duty gloves when adjusting or cleaning, especially when handling 

 

sharp objects.

 Fault/malfunction

 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 stops working /loses 
power

Cutting height is improper

Adjust the cutting height

Discharge chute/ housing is 
blocked

Clean the discharge chute/ housing

Cutting blade is worn or damaged

Replace with New blade from 
dealer service center

Battery performance decreasing
Mower Overloaded -Red light 
displayed switch box

Check the battery performance and 
charge it if necessary
Wait until reset occurs – Green light 
displayed on switchbox

Grass bag is not filled sufficiently

Cutting height is too Low

Adjust and increase cutting height

The lawn / grass is wet

Allow the lawn to dry

Discharge chute/ housing is 
blocked

Clean the discharge chute/ housing

Underside of the mower deck is 
clogged.

Clean the underside of the mower 
deck

Cutting blade is worn or damaged.

Replace it by the customer service 
center

Mower vibrating at higher speed

Cutting blade is unbalanced

Balance the blade by grinding each 
cutting edge equality

Blade is Loosened /incorrectly 
fitted

Tighten the blade bolt

Mower does not mulch properly

Cutting height set to low
Deck has wet grass on underside 
of deck

Adjust cutting height
Clean underside of deck and wait 
until grass is dry

Mower cuts unevenly

The blade is damaged
Blade is assembled incorrectly

Sharpen the blade or replace
Re-assemble blade correctly

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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