WG779.9 - Lawn mower WORX - Free user manual and instructions

USER MANUAL WG779.9 WORX

WARNING: Some dust created by

power sanding, sawing, grinding, drilling and other construction activities contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:

• Lead from lead-based paints;

• Crystalline silica from bricks and cement and other masonry products;

• Arsenic and chromium from chemically- treated lumber. Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemical: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles.

WARNING: This product can expose

you to chemicals including lead, phthalate or bisphenol A which are known to the State of California to cause cancer, birth defects or other reproductive harm. Wash your hands after use. For more information go to www.P65Warnings.ca.gov.

READ ALL INSTRUCTIONS

WARNING: When using electric lawn

mowers, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and personal injury, including the following:

WARNING: Risk of injury could occur if

the lawn mower is operated without the catcher assembly attached.

WARNING: The use of any other

accessory or attachment might increase the risk of injury CAUTION: For battery-operated lawn mowers, use only identical replacement batteries and specifying the battery type and manufacturer.

lawn mowers in damp or wet locations.

2) Don’t Use In Rain.

3) Keep children away - All visitors should

be kept a safe distance from work area.

Dress properly - Do not wear loose clothing or jewelry. They can be caught in moving parts. Use of rubber gloves and footwear is recommended when working outdoors.

5) Use safety glasses - Always use face or

dust mask if operation is dusty.

Use right appliance - Do not use lawn mower for any job except that for which it is intended.

7) Don’t Force Lawn Mower - It will do the

job better and safer at the rate for which it was designed.

8) Don’t overreach - Keep proper footing and

balance at all times.

9) Stay alert - Watch what you are doing.

Use common sense. Do not operate lawn mower when you are tired.

10) Store Idle Lawn Mower Indoors - When

not in use, lawn mower should be stored in an indoor dry and locked-up place - out of reach of children.

11) Maintain lawn mower with care - Keep

cutting edges sharp and clean for best and safest performance. Follow instructions for lubricating and changing accessories. Keep handles dry, clean, and free from oil and grease. 12) Keep guards in place and in working order.

13) Keep blades sharp.

14) Keep hands and feet away from cutting area.

15) Objects struck by the lawn mower blade

can cause severe injuries to persons. The lawn mower should always be carefully examined and cleared of all objects prior to each mowing.

i) Stop lawn mower. Release the switch.

ii) Remove battery pack.

iii) Inspect for damage.

iv) Repair any damage before restarting and

operating the lawn mower.

17) Use identical replacement blades only.

SUPPLEMENT SA-BATTERY-OPERATED LAWN MOWERS a) Do not charge lawn mower in rain, or in wet locations. b) Do not use battery-operated lawn mower in rain. c) Remove or disconnect battery before servicing, cleaning, or removing material from the lawn mower.2 in 1 Cordless Lawn Mower EN

a) Use only the following type and size battery: WA3520, WA3525, WA3575, WA3578, WA3577, WA3671. b) Do not dispose of the battery in a fire. The cell may explode. Check with local codes for possible special disposal instructions. c) Do not open or mutilate the battery. Released electrolyte is corrosive and may cause damage to the eyes or skin. It may be toxic if swallowed. d) Exercise care in handling batteries in order not to short the battery with conducting materials such as rings, bracelets, and keys. The battery or conductor may overheat and cause burns. Safety instructions for walk-behind mowers IMPORTANT Safe Practices for Walk-Behind Mowers

I. GENERAL OPERATION

1. Read, understand, and follow all

instructions on the machine and in the manual(s) before starting.

2. Do not put hands or feet near or under

the machine. Keep clear of the discharge opening at all times.

3. Only allow responsible adults, who are

familiar with the instructions, to operate this machine.

4. Clear the area of objects such as rocks,

wire, toys, etc., which could be thrown by the blade. Stay behind the handle when the motor is running.

5. Be sure the area is clear of bystanders

before operating. Stop machine if anyone enters the area.

6. Do not operate machine barefooted or

while wearing sandals. Always wear substantial footwear.

Do not pull machine backward unless absolutely necessary. Always look down and behind before and while moving backward.

8. Never direct discharged material toward

anyone. Avoid discharging material against a wall or obstruction. Material may ricochet back toward the operator. Stop the blade when crossing gravel surfaces.

9. Do not operate machine without the

entire grass catcher, discharge guard, rear guard, or other safety protective devices in place and working.

Never leave a running machine unattended.

11. Stop the motor and wait until the blade

comes to a complete stop before cleaning the machine, removing grass catcher, or unclogging the discharge guard.

12. Operate machine only in daylight or good

13. Do not operate machine while under the

influence of alcohol or drugs.

Never operate mower in wet grass. Always be sure of your footing; walk; never run.

15. Disengage the drive system, if so

equipped, before starting the motor.

16. If the machine should start to vibrate

abnormally, stop the motor and check for the cause immediately. Vibration is generally a warning of trouble.

18. See manufacturer’s instructions for proper

operation and installation of accessories. Only use accessories approved by the manufacturer.

Slopes are a major factor related to slip and fall accidents, which can result in severe injury. Operation on all slopes requires extra caution. If you feel uneasy on a slope, do not mow it.

1. Mow across the face of slopes; never

up and down. Exercise extreme caution when changing direction on slopes.

2. Watch for holes, ruts, bumps, rocks, or

other hidden objects. Uneven terrain could cause a slip and fall accident. Tall grass can hide obstacles.

3. Do not mow on wet grass or excessively

steep slopes. Poor footing could cause a slip and fall accident.

4. Do not mow near drop-offs, ditches,

or embankments. You could lose your footing or balance.

Tragic accidents can occur if the operator is2 in 1 Cordless Lawn Mower EN

not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them.

1. Keep children out of the mowing area and

under the watchful care of a responsible adult other than the operator.

Never allow children to operate the machine.

4. Use extra care when approaching blind

corners, shrubs, trees, or other objects that may block your view of a child.

1. Keep all nuts and bolts tight to be sure the

equipment is in safe working condition.

2. Never tamper with safety devices. Check

their proper operation regularly.

3. Keep machine free of grass, leaves, or

other debris build-up.

4. If you strike a foreign object, stop and

inspect the machine. Repair, if necessary, before starting.

5. Never make any adjustments or repairs

with the motor running.

6. Always unplug electric mowers before

adjusting, cleaning, or repairing.

7. Check grass catcher components and the

discharge guard frequently and replace with manufacturer’s recommended parts, when necessary.

8. Mower blades are sharp. Wrap the blade

or wear gloves, and use extra caution when servicing them.

9. Maintain or replace safety and instruction

labels, as necessary. Safe operation practices for walk-behind mowers

a) Read the operating and service instruction manual carefully. Be thoroughly familiar with the controls and the proper use of the equipment. b) Never allow children to operate a power mower.

Keep the area of operation clear of all persons, particularly small children, and pets. d) Do not use a mower for any job except that for which it is intended.

a) Thoroughly inspect the area where the equipment is to be used and remove all stones, sticks, wires, bones, and other foreign objects. b) Do not operate the equipment when barefoot or wearing sandals. Always wear substantial footwear. c) Disengage the self-propelled mechanism or drive clutch on units so equipped before starting the motor. d) Never attempt to make a wheel height adjustment while the motor is running. e) Mow only in daylight or in good artificial light. f) Never operate the equipment on wet grass. Always be sure of your footing. Keep a firm hold on the handle and walk, never run.

a) Do not put hands or feet near or under rotating parts. Keep clear of the discharge opening at all times. b) Stop the blade(s) when crossing gravel drives, walks, or roads. c) After striking a foreign object, stop the motor, unplug, thoroughly inspect the mower for any damage, and repair the damage before restarting and operating the mower. d) If the equipment should start to vibrate abnormally, stop the motor and check immediately for the cause. Vibration is generally a warning of trouble. e) Stop the motor and unplug whenever you leave the equipment, before cleaning the mower housing, and before making any repairs or inspections. f) Shut the motor off and wait until the blade comes to a complete stop before removing the grass catcher or before unclogging the chute. g) Mow across the face of slopes, never up and down. Exercise extreme caution when changing direction on slopes. Do not mow excessively steep slopes. h) Never operate the mower without proper2 in 1 Cordless Lawn Mower EN

guards, plates, or other safety protective devices in place.

i) Do not wash with a hose, avoid getting

water in motor and electrical connections.

a) Check the blade and the motor mounting bolts at frequent intervals for proper tightness. b) Keep al nuts, bolts, and screws tight to be sure the equipment is in safe working condition. c) Check bag frequently for deterioration and wear, and replace worn bags. Check that replacement bags comply with the original manufacturer’s recommendations or specifications. d) Replace the blade if it is bent or cracked. An unbalanced blade causes vibration that could damage the motor drive unit or cause personal injury. e) Sharpen a dull blade equally at each end to maintain the balance. f) Clear the blade thoroughly and check its balance by supporting it horizontally on a thin nail through its centre hole. The mail should also be in a horizontal position. If either end of the blade rotates downward, remove some metal from the heavy or lower end until the blade is balanced. It is balanced when neither end drops.

SAVE THESE INSTRUCTIONS

WARNING: Read all safety warnings

and instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Save all warnings and instructions for future reference.

1) WARNING: Risk of fire and burns. Do

not disassemble, heat above 100°C (212°F), or incinerate. Do not expose cells or batteries to heat or fire. Avoid storage in direct sunlight.

2) Dispose of used battery promptly..

When disposing of secondary cells or batteries, keep cells or batteries of different electrochemical systems separate from each other.

Keep battery out of reach of children and in original package until ready to use.

4) Never put batteries in mouth. If

swallowed, contact your physician or local poison control center.

5) CAUTION – The battery used in this

device may present a risk of fire or chemical burn if mistreated. Replace battery with WORX only. Use of another battery may present a risk of fire or explosion.

6) WARNING: Do not use a visibly

damaged battery pack or appliance as applicable.

7) WARNING: Do not modify or attempt

to repair the appliance or the battery pack as applicable.

8) BATTERY MUST BE RECYCLED.

9) Do not short-circuit a cell or battery.

Do not store cells or batteries haphazardly in a box or drawer where they may short-circuit each other or be short-circuited by conductive materials.

10) Do not subject cells or batteries to

11) Keep cells and batteries clean

and dry. Wipe the cell or battery terminals with a clean dry cloth if they become dirty.

12) Do not maintain secondary cells and

batteries on charge when not in use.

13) Retain the original cell and battery

literature for future reference.

14) Do not use any charger other than

that specifically provided for use with the equipment. Secondary cells and batteries need to be charged before use. Always use the correct charger and refer to the manufacturer’s instructions or equipment manual for proper charging instructions.

15) When possible, remove the battery from

the equipment when not in use.

16) Prevent unintentional starting. Ensure

the switch is in the off-position before2 in 1 Cordless Lawn Mower EN

connecting to battery pack, picking up or carrying the appliance. Carrying the appliance with your finger on the switch or energizing appliance that have the switch on invites accidents.

17) Disconnect the battery pack from

the appliance before making any adjustments, changing accessories, or storing appliance. Such preventive safety measures reduce the risk of starting the appliance accidentally.

18) Under abusive conditions, liquid may be

ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.

19) Have servicing performed by a qualified

repair person using only identical replacement parts. This will ensure that the safety of the product is maintained. SYMBOLS

CPSC Danger label. Severing of toes or fingers-Rotary mower blade. Thrown objects from mower deck. Keep bystanders/children away. Safety alert. Slip on slope. Read the operator’s manual. To reduce the risk of injury, user must read instruction manual Do not expose to rain or water Do not burn Li-I on Li-Ion battery, battery must be recycled Wear protective gloves Remove battery from the socket before carrying out any adjustment, servicing or maintenance. Blade continues to rotate after the machine is switched off. Wait until all machine components have completely stopped before touching them Remove the key POSITEC Inc. has established a partnership with the RBRC Corporation to recycle any Positec batteries with the RBRC-call2recycle seal. For environmental protection, please do not discard batteries in the trash. After the batteries’ life cycle is ended, then please call 1-800- 822-8837 for a free service that will properly dispose of the battery.2 in 1 Cordless Lawn Mower EN

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• Not all the accessories illustrated or described are included in standard delivery.2 in 1 Cordless Lawn Mower EN

Charging time Battery pack: 4.0Ah (1pc) 4.0Ah (2pcs) 2hrs 4hrs

Machine Weight 29.1lbs 26.2lbs **Voltage measured without workload. Initial battery voltage reaches maximum of 20 volts. Nominal voltage is 18 volts. ACCESSORIES WG779 WG779.9 Battery pack (WA3578) 2 / Charger (WA3875) 1 / Grass collection bag 1 Mulching insert 1 Cable clip 2 Only use the appropriate accessories intended for this tool. Accessory information can be found on the product packaging, at a WORX dealer or on our website at www.worx.com.2 in 1 Cordless Lawn Mower EN

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ACTION FIGURE ASSEMBLY Assembling the handle bar NOTE: Choose one of the two holes in the lower handle for desired handle’s height. See Fig. A1, A2, A3, A4,

Assembling grass collection bag See Fig. B1, B2, B3, B4 Fitting grass collection bag to the lawn mower NOTE: Depress the grass collection bag slightly to ensure that it is completely installed. NOTE: Take the mulching insert out of the lawn mower before fitting the grass collection bag. See Fig. C1, C2, C3 Checking the battery charge condition NOTE: Fig. D1 only applies for the battery pack with battery indicator light. See Fig. D1 Charging the battery pack NOTE: The batteries are shipped uncharged. Each battery must be fully charged before the first mow. Always fully charge the two batteries at same time. More details can be found in charger’s manual. See Fig. D2 Fitting/removing battery NOTE: This machine will only run when 2 batteries are installed. It is recommended to use the same two batteries and charge the two batteries at the same time. Using two different sized batteries or if one battery isn’t fully charged then the machine will only run to the lowest common denominator. See Fig. E OPERATION Battery power indicator on the machine See details in BATTERY STATUS part IMPORTANT When only one light is illuminated, at least one battery is depleted and needs to be charged, even though the mower may still be capable of cutting grass. Continuing to operate your lawnmower with the battery in this discharged condition may reduce the life and performance of your battery. When no light is illuminated, at least one battery is not fully installed or battery may be defective, please double check the batteries are fully seated into position. See Fig. F Starting & stopping See Fig. G1,

Adjusting the cutting height WARNING! Stop, release switch lever and wait until the motor stops before adjusting height. The blades continue to rotate after the machine is switched off, a rotating blade can cause injury. Do not touch rotating blades. See Fig. H Selecting the intellicut dial ECO mode Select ECO mode when mowing in everyday conditions, removing approximately 1’’ of grass at a time. TURBO mode Set the dial to TURBO mode when cutting dense or overgrown grass. See Fig. I1, I22 in 1 Cordless Lawn Mower EN

Grass bag filling indicator Empty status: flap floats (a) Fully status: flap falls down (b) See Fig. J1 Removing/emptying grass collection bag WARNING! Always check the safety flap close the discharge outlet before using. Never lift the safety flap when the lawn mower is being used without fitted grass collection bag. See Fig. J2 Installing the mulching insert See Fig. K1,

BATTERY STATUS (See Fig. F) Before starting or after use, press the button “POWERTEST” on the machine to check the battery capacity. During operation, the battery capacity will be indicated automatically by the battery power indicator. The indicator constantly senses and displays the battery condition as follows: Battery power indicator status Battery condition Five green lights

) are illuminated. The two batteries are in a highly charged condition. Two, three or four green lights are illuminated. The two batteries have a remaining charge. The more lights are illuminated, the more battery capacity. Only one green light ( ) is illuminated. At least one battery is depleted and needs to be charged. No light is illuminated. At least one battery is not fully installed or battery may be defective. Only one light is flashing twice per cycle. At least one battery is over discharged (please refer to the battery charge condition), please recharge the two batteries at once before use again or storage. Only one light is flashing three times per cycle. At least one battery is hot, wait for them cool down before start again. Only one light is flashing four times per cycle. The machine is over load. Raise the cutting height or push slowly.

MULCHING MOWING TIPS

When using the mulching plug, your new mower is designed to cut the grass clippings into small pieces and distribute them back into the lawn, using mulching fins located inside the mower deck. Under normal conditions, the mulched grass will biodegrade quickly to provide nutrients to the lawn. Please review the following recommendations for optimum mulching performance.

1) Avoid mowing when the grass is wet from

rain or dew. Wet grass may form clumps which interfere with the mulching action and reduce runtime. The best time to mow grass is in the late afternoon when the grass is dry and the newly cut area will not be exposed to direct sunlight.

2) For best mulching performance, set

the cutting height to remove about one third of the grass blade length. If the lawn is overgrown, it may be necessary to increase the cut height to reduce the pushing effort and prevent overloading the motor. For extremely heavy mulching, it is advisable to first cut at a high cut height setting, and then re-cut to the final2 in 1 Cordless Lawn Mower EN

cut height. Otherwise, make narrower cuts and mow slowly.

3) For best performance, keep the mower

housing free of built-up grass. From time to time turn off mower and wait for the blade to come to a complete stop. Then unplug the Safety Key and turn mower on its side. Using an object such as a stick, wipe out any accumulation of grass in the blade area. Be careful of the sharp edges of the blade. Clean often in wet, new grass, and always after every use.

Certain types of grass or grass conditions may require that an area be mulched a second time to fully disperse the grass throughout the lawn. If cutting a second time, it is advisable to cut perpendicular (across) the first cut pattern. DO NOT CHANGE CUT PATTERN IN ANY WAY THAT WOULD CAUSE MOWING DOWN A HILL.

5) Change your cutting pattern from week to

week. This will help prevent matting and graining of the lawn. CUTTING AREA The cutting area can be affected by many factors including: cutting height, operation practices (ex: starting/stopping), lawn moisture levels, grass length and thickness. The below table provides the potential cutting areas based on specific cutting conditions. Cutting Height Recommend lot size (maximum) With 2*20V/4.0Ah batteries Cutting off 3.3’’(84mm) to 2.5’’(64mm) up to 5000 sq.ft. (460m

• Used with two fully charged battery packs. TIPS:

1) Mowing the lawn frequently and

reducing the amount of starting/stopping procedures will help conserve battery runtime. It is recommended to always use the same two batteries during operation with fully charged levels.

2) For the best cutting performance, it is

recommended to only mow up to 1/3 or less of the current grass height at a time. Mow at a slower pace when cutting long/ thick grass to allow the mower to properly discharge the clippings. MAINTENANCE

WARNING: Stop the mower and

remove the safety key before removing the grass bag. NOTE: To ensure long and reliable service, perform the following maintenance procedures regularly. Check for obvious defects such as a loose, dislodged or a damaged blade, loose fittings, and worn or damaged components. Check that the covers and guards are all undamaged and are correctly attached to mower. Carry out any necessary maintenance or repairs before operating mower. If the mower should happen to fail despite regular maintenance, please call our customer helpline for advice. BLADE SHARPENING

REMOVING, SHARPENING, AND INSTALLING

BLADE. ENSURE THAT SAFETY KEY IS

REMOVED. Sharpening the blade twice during a mowing season is usually sufficient under normal circumstances. Sand causes the blade to dull quickly. If your lawn has sandy soil, more frequent sharpening may be required.

REPLACE BENT OR DAMAGED BLADE

IMMEDIATELY. WHEN SHARPENING THE BLADE:

1. Make sure blade remains balanced.

2. Sharpen blade at the original cutting angle.

3. Sharpen cutting edges on both ends of

blade, removing equal amounts of material from both ends. NOTE:

1. Be sure the mower is turned off and

2. Place the mower in stand up storage mode.2 in 1 Cordless Lawn Mower EN

1. Be sure the switch lever is released, the

blade has stopped and the safety key removed before removing the blade.

Remove blade from mower. See instructions for removing and attaching blade.

3. Secure blade N-1 in a vise N-2.

4. Wear safety glasses and be careful not to

5. Carefully file the cutting edges of

the blade with a fine tooth file N-3 or sharpening stone.

6. Check balance of blade. See instructions

for blade balancing.

7. Replace blade on mower and tighten

securely. Refer to instructions below.

Fig. O) Check balance of blade by placing center hole in blade O-1 over a nail or screwdriver shank O-2, clamped horizontally in a vise O-3. If either end of the blade rotates downward, file that end. Blade is properly balanced when neither end drops. BLADE MAINTENANCE (See Fig. P1, P2) Renew your metal blade after 50 hours mowing or 2 years, whichever is the sooner- regardless of condition. Follow these procedures to remove and replace the blade. You will need garden gloves (not provided) and a spanner wrench (not provided) to remove the blade. Hold the blade (20) and unscrew the blade bolt (19) counter-clockwise using a spanner wrench, and then remove blade. To re-assemble, position the blade (20) with the cutting edges towards the ground. Then securely tighten the blade bolt (19). STORAGE (See Fig. M1, M2) Stop the mower and always remove the safety key. Clean the exterior of the machine thoroughly using a soft brush and cloth. Do not use water, solvents or polishes. Remove all grass and debris, especially from the ventilation slots. Turn the machine on its side and clean the blade area. If grass cuttings are compacted in the blade area, remove with a wooden or plastic implement. Store the machine in a dry place. Do not place other objects on top of the machine. To aid storage, release the handle knob, and fold the upper handle as shown in Fig. M1 & M2 . TROUBLE SHOOTING Problem Solution

1. Mower doesn’t run

when switch lever is activated. A. Check to make sure safety key has been installed and is fully seated and that button on switch housing is being completely pushed. B. Release Switch Lever to turn mower off. Remove safety key, turn mower over and check that blade is free to turn. If not free, return to an authorized servicer. Blade should turn freely. C. Has battery been fully charged? Plug in charger and wait for green light to come on.

2. Motor stops while

mowing. A. Release Switch Lever to turn mower off. Remove safety key, turn mower over and check that blade is free to turn. If not free, return to an authorized servicer. Blade should turn freely. B. Raise cutting height of wheels to highest position and start mower. C. Has battery been fully charged? Plug in charger and wait for green light to come on. D. Avoid overloading the mower. Slow down the cutting pace by pushing mower slower or raise the cut height. Or both.2 in 1 Cordless Lawn Mower EN

cutting performance is unsatisfactory, or does not cut entire lawn. A. Has battery been fully charged? Plug in charger and wait for green light to come on. B. Release Switch Lever to turn mower off. Remove safety key. Turn mower over and check: Blade for sharpness - Keep blade sharp. Deck and discharge chute for clogging. C. Wheel height adjustment may be set too low for grass condition. Raise cutting height.

4. Mower is too hard to

push. A. Raise cutting height to reduce deck drag on grass. Check each wheel for free rotation.

5. Mower is abnormally

noisy and vibrates. A. Release Switch Lever to turn mower off. Remove safety key. Turn mower on side and check blade to ensure it has not been bent or damaged. If blade is damaged, replace with a replacement blade. If the underside of the deck is damaged return mower to an Authorized service center. B. If there is no visible damage to the blade and the mower still vibrates: Release Switch Lever to turn mower off, remove safety key and remove blade. Rotate blade 180 degrees and retighten. If mower still vibrates, return the mower to an authorized service center.

6. Battery charger LED’s

not on. A. Check plug connection. B. Replace charger.

7. Battery charger LED

does not flip to green. A. Battery needs to be diagnosed. Take to authorized service center.

8. Mower not picking up

clippings with the Grass Collection Bag. A. Remove mulch plate when bagging. B. Chute clogged. Release Switch Lever to turn mower off. Remove safety key. Clear chute of grass clippings. C. Too much cut grass. Raise cutting height of wheels to shorten length of the cut. D. Bag full. Empty bag more often.

9. When mulching there

are clippings visible. A. Too much cut grass. Raise cutting height of wheels to shorten length of the cut. Do not cut off more than 1/3 of total length. B. Check blade for sharpness. Always keep blade sharp.

10. Low or diminished

run-time after many uses. A. Return to Authorized Service location - may need new battery.

11. The battery charger

LED flashes red and the battery can’t be charged. A. The battery overheats after continuous use. Remove battery from the charger and allow it to cool to 42

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