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OPERATION

OPERATE THE LAWN MOWER

Operation on a slope:
Slopes are a major factor related to slip-and-fall accidents, which can result in severe injury.

   WARNING:

 Always be sure of your footing on slopes. Operation on slopes requires extra caution. If 

you feel uneasy on a slope, do not mow it.

DO:

-   Mow across the face of slopes; never mow up and down. Exercise extreme caution when changing 

direction on slopes.

-   Watch for holes, ruts, rocks, hidden objects, or bumps which can cause you to slip or trip.
Tall grass can hide obstacles.

DO NOT:

Do not mow near drop-offs, ditches or embankments; you could lose your footing or balance.

-   Do not mow slopes greater than 15 degrees.
-   Do not mow on wet grass. Unstable footing could cause slipping.

MOWER OVERLOAD PROTECTION

To prevent overload conditions, do not try to cut too much grass at one time. Slow down your cutting pace 
or raise the cut height. Your mower has built-in overload circuit protection. When the mower is overloaded, 
the motor will stop. Switch the mower OFF and remove the battery. Check to see if grass has collected 
beneath the deck and clear it if necessary, then restart the mower.

BATTERY HIGH TEMPERATURE PROTECTION

The battery pack will generate heat during operation. The heat dissipates more slowly in hot weather. If the 
battery `temperature exceeds more than 158˚ F during operation, the protection circuit will immediately turn 
off the mower to protect the battery pack from damage. Release the bail handle, wait until the battery pack 
cools down, then restart the mower.

FUNCTION OF GRASS BAG FULL INDICATOR (See fig. 21)

Fig. 21

1.  If the grass bag is empty or it is not filled with grass, the grass full indicator will open.
2.  If the grass bag is filled with grass the grass full indicator will close.

EMPTYING THE GRASS BAG

When the grass bag full indicator starts to close during grass cutting, it is time to empty the grass bag.

   NOTE:

 before taking off the grass bag, switch OFF the power and wait until the blade 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 debris in the discharge chute or on the blade by hand or with your feet. Instead use suitable 
tools such as a brush or broom. To ensure that the cut grass can be collected into grass bag, the 
discharge opening and inside the discharge chute must be cleared of any blockage.

OPERATION

MAINTENANCE AND STORAGE

   WARNING! 

Before performing any maintenance or cleaning 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.

CLEANING

Cleaning the product

–   Use a soft brush to remove any accumulated dust and debris. Wear safety glasses to protect your eyes 

whilst cleaning.

–   Wipe down the product enclosure with a slightly damp cloth. Do not spray the unit with water. 

Exposure to water may destroy the switch unit and the electric motor.

MAINTENANCE

   NOTE: 

Always wear gardening gloves when handling or working near the sharp blades.

1)   Keep all nuts, bolts and screws tight to be sure that the machine is in safe working condition.
2)   Check the grass bag frequently for wear or deterioration.
3)   Examine the machine and replace worn or damaged parts for safety.

REMOVING/INSTALLING THE BLADE

1.   Using a wrench of correct size locate on the blade bolt nut.
2.  wearing heavy gloves hold the blade fixed and turn the wrench anti-clockwise and remove the bolt.
3.  Fitting the replacement blade correctly with marking facing up and align pegs correctly then fit the bolt 

and retighten the bolt securely to torque 36- 43 Ft. Lb.

   WARNING!

Replace or re-sharpen the mowing blade at the end of the mowing season. Always have the 
mowing blade re-sharpened or replaced by a customer service center (measurement of imbalance).
Unbalanced blades will cause the lawn mower to vibrate violently-risk of accident!

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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