DuraMax 338491 Owners Man

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24 v cordless lawn mower

Manuals Content



Owner's Manual


TOLL F REE HELPLINE: 1-866-456-8934

Read all safety rules and operating instructions carefully before using this product.

TABLE OF CONTENTS Specifications


General Safety Rules

3 4-5 6-7 8-9

Specific Safety Rules

Symbols Know Your Lawn Mower


Assembly Operation







29 30-34

Exploded View/Parts List




24 V


24 V, 20 Ah lead-acid

No-load Speed:

3500 RPM

Cutting Path:

20” (50.8 cm)

Height adjustments:

1 1/2—3 3/4” (3.8 cm-9.5 cm)


3-in-1: Mulch, side discharge or rear bag.


54 lb (24.3 kg) without battery 86 lb (39 kg) with battery

READ ALL INSTRUCTIONS! WARNING: This symbol indicates important safety instructions. if these instuctions are not followed, it could endanger the personal safety and/or property of the operator and others. Read and understand all instructions in this manual before attempting to operate the mower. Failure to comply with these instructions may result in personal injury. DANGER: This mower was built to be operated according to the rules for safe operation that are contained in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This mower is capable of amputating body parts and throwing objects. Failure to observe the following safety rules could result in serious injury or death. Basic safety precautions should always be followed when using electric lawn mowers, in order to reduce the risk of fire, electric shock, and personal injury.


GENERAL SAFETY RULES WARNING: READ AND UNDERSTAND ALL INSTRUCTIONS. Failure to follow all instructions listed below and on the machine may result in electric shock, fire, and/or serious personal injury. READ ALL INSTRUCTIONS ■ This cutting machine is capable of amputating hands and feet and throwing objects. Failure to observe all safety instructions could result in serious injury or death. ■ Do not use the lawn mower in damp or wet conditions or operate in the rain. ■ Keep the area clear of all bystanders, children, and pets while mowing. Stop machine if anyone enters the area. ■ Tragic accidents can occur if the operator is 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. • Keep children out of the mowing area and under the watch-ful care of a responsible adult other than the operator. • Be alert and turn mower off if a child enters the area. • Never allow children to operate the machine. • Use extra care when approaching blind corners, shrubs, trees, or other objects that may block your view of a child. ■ 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. ■ Keep firm footing and balance. Do not overreach. Overreaching can result in loss of balance. ■ Do not operate the equipment while barefoot or when wearing sandals or similar lightweight footwear. Wear protective footwear that will protect your feet and improve your footing on slippery surfaces. ■ Do not leave the mower unattended while running. ■ Keep hands and feet away from cutting area. Keep clear of the discharge opening at all times. ■ Operate the lawn mower only in daylight or good artificial light. ■ Always wear safety glasses with side shields. Everyday glasses have only impact resistant lenses. They are NOT safety glasses. Following this rule will reduce the risk of eye injury. Use face mask if operation is dusty. ■ Wear safety glasses or goggles that are marked to comply with ANSI Z87.1 standard when operating this product. ■ Use the right appliance. Do not use the lawn mower for any job except that for which it is intended. ■ Do not force the lawn mower. It will do the job better and safer at the rate for which it was designed. ■ Stay alert, watch what you are doing and use common sense when operating the lawn mower. Do not operate the mower while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating the lawn mower may result in serious personal injury. ■ Keep machine in good working condition. Keep blades sharp and guards in place and in working order. ■ Check all nuts, bolts, and screws at frequent intervals for proper tightness to be sure the equipment is in safe working condition. ■ Stop the motor and wait until the blade comes to a complete stop before cleaning the lawn mower, removing the grass catcher, or unclogging the discharge guard. ■ When not in use, mower should be stored indoors in a dry, locked up place—out of the reach of children. 3

SPECIFIC SAFETY RULES ■ Do not operate the mower without the entire grass catcher, discharge guard, rear guard, or other safety protective devices in place and working. ■ Follow manufacturer’s instructions for proper operation and installation of accessories. Only use accessories approved by the manufacturer. ■ Clear the work area before each use. Remove all objects such as rocks, sticks, wire, bones, toys, or other objects which can be thrown by the blade.Stay behind the handle when the motor is running. ■ Avoid holes, ruts, bumps, rocks, or other hidden objects. Uneven terrain could cause a slip and fall accident. ■ Do not mow near drop-offs, ditches, or embankments. ■ Mow across the face of slopes, never up and down. Exercise extreme caution when changing direction on slopes. ■ Plan your mowing pattern to avoid discharge of material toward roads, sidewalks, bystanders and the like. Also, avoid discharging material against a wall or obstruction, which may cause the material to ricochet back toward the operator. ■ Do not mow on wet grass or excessively steep slopes. Poor footing could cause a slip and fall accident. Walk, never run. ■ Use extra care when approaching blind corners, shrubs, trees, or other objects that may block your view. ■ Do not pull the mower backward unless absolutely necessary. If you must back the mower away from a wall or obstruction, first look down and behind to avoid tripping. ■ Never direct discharged material toward anyone. Avoid discharging material against a wall or obstruction. Ma-terial may ricochet back toward the operator. Stop the blade when crossing gravel surfaces. ■ Objects struck by the lawn mower blade can cause severe injuries to persons. The lawn should always be carefully examined and cleared of all objects prior to each mowing. ■ If the lawn mower strikes a foreign object, follow these steps: • Stop the lawn mower and release the switch control lever. • Disconnect the power cord. • Thoroughly inspect the mower for any damage. • Repair any damage before restarting and continuing to operate the mower. ■ Stop the motor, remove the switch key, and wait until the blade comes to a complete stop before removing the grass catcher or unclogging the chute. The cutting blade continues to rotate for a few seconds after the motor is shut off. Never place any part of the body in the blade area until you are sure the blade has stopped rotating. ■ If the mower should start to vibrate abnormally, stop the motor and check immediately for the cause. Vibration is generally a warning of trouble. ■ Service on the product must be performed by qualified repair personnel only. Service or maintenance performed by unqualified personnel could result in injury to the user or damage to the product. ■ Use only identical replacement parts when servicing the product. Use of unauthorized parts may create a risk of serious injury to the user, or damage to the product. ■ Do not place battery tools or their batteries near fire or heat. This will reduce the risk of explosion and possibly injury. ■ Do not open or mutilate battery (ies). Released electrolyte is corrosive and may cause damage to the eyes or skin. It may be toxic if swallowed. ■ If electrolyte contacts the skin, wash it off immediately with water. ■ If electrolyte contacts the eyes, flush thoroughly and immediately with water. Seek medical attention.



■ Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock. ■ Use of an attachment not recommended or sold by the battery charger manufacturer may result in a risk of fire, electric shock, or injury to persons. Following this rule will reduce the risk of electric shock, fire, or serious personal injury. ■ Do not service mower with switch key or charger in-stalled. ■ Do not use the charger when the ambient temperature is above 40°C or below 0°C. ■ Do not operate charger with a damaged cord or plug, which could cause shorting and electric shock. If damaged, have the charger replaced by an authorized serviceman. ■ Do not operate charger if it has received a sharp blow, been dropped, or otherwise damaged in any way. Take it to an authorized serviceman for electrical check to determine if the charger is in good working order. ■ Unplug charger from outlet before attempting any maintenance or cleaning to reduce the risk of electric shock. ■ Disconnect charger from the power supply when not in use to prevent damage to the charger during a power surge. ■ Risk of electric shock. Do not touch uninsulated portion of output connector or uninsulated battery terminal. ■ Do not expose charger to wet or damp conditions. Water entering charger will increase the risk of electric shock. ■ Make sure cord is located so that it will not be stepped on, tripped over, come in contact with sharp edges or moving parts or otherwise subjected to damage or stress. This will reduce the risk of accidental falls, which could cause injury, and damage to the cord, which could result in electric shock. ■ Keep cord and charger away from heat to prevent damage to housing or internal parts. ■ Do not let gasoline, oils, petroleum-based products, etc. come in contact with plastic parts. They contain chemicals that can damage, weaken, or destroy plastic. ■ An extension cord should not be used unless absolutely necessary. Use of improper extension cord could result in a risk of fire and electric shock. If extension cord must be used, make sure: a. That pins on plug of extension cord are the same number, size and shape as those of plug on charger. b. That extension cord is properly wired and in good electrical condition; and c. That wire size is large enough for AC ampere rating of charger as specified below: Cord Length (Feet) 25' 50' 100' Cord Size (AWG) 16 16 16 NOTE: AWG = American Wire Gauge ■ Save these instructions. Refer to them frequently and use them to instruct others who may use this product. If you loan someone this tool, loan them these instructions also.


SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the product better and safer.












Frequency (cycles per second)







Wet Conditions Alert

Do not expose to rain or use in damp locations.

Read The Operator’s Manual

To reduce the risk of injury, user must read and understand operator’s manual before using this product.

Eye Protection

Always wear safety goggles or safety glasses with side shields and, as necessary, a full face shield when operating this product.

Safety Alert

Precautions that involve your safety.

Electric Shock

Failure to use in dry conditions and to observe safe practices can result in electric shock.


SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product.




Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury.


Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.


Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury.


(Without Safety Alert Symbol) Indicates a situation that may result in property damage.


Servicing requires extreme care and knowledge and should be performed only by a qualified service technician. For service we suggest you return the product to your nearest AUTHORIZED SERVICE CENTER for repair. When servic-ing, use only identical replacement parts.

WARNING: To avoid serious personal injury, do not attempt to use this product until you read thoroughly and understand com-pletely the operator’s manual. If you do not understand the warnings and instructions in the operator’s manual, do not use this product. Call DURAMAXX customer service for assistance. The operation of any power tool can result in foreign objects being thrown into your eyes, which can re-sult in severe eye damage. Before beginning power tool operation, always wear safety goggles or safety glasses with side shields and, when needed, a full face shield. We recommend Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shields. Always use eye protection which is marked to comply with ANSI Z87.1.












Fig. 1 8

KNOW YOUR LAWN MOWER The safe use of this product requires an understanding of the information on the product and in this operator’s manual as well as a knowledge of the project you are attempting. Before use of this product, familiarize yourself with all operating features and safety rules. (Fig. 1)


The battery meter measures the amount of charge remaining in the battery.


The grass catcher prevents grass clippings from being strewn across your lawn as you mow.


The height adjustment lever provides cutting height adjustments.


The motor/blade control, located on the upper handle of the mower, engages and disengages the motor and blade.


Your mower is equipped with a mulching plug that cuts and recuts the grass for finer clippings.


The switch key must be inserted before the mower can be started.


Use the side discharge deflector on your mower when the grass is too high to mulch or when side discharging is preferred. The grass clippings produced when using the side discharge deflector are noticeably larger than those produced when using the mulching plug.



This product requires assembly. ■ Carefully remove the product and any accessories from the box. Make sure that all items listed in the packing list are included. ■ Inspect the product carefully to make sure no breakage or damage occurred during shipping. ■ Do not discard the packing material until you have carefully inspected and satisfactorily operated the product. ■ If any parts are damaged or missing, please call 1-866-456-8934 for assistance.


Mower Switch key Side Discharge Deflector Mulching Plug Grass Catcher Charger Operator’s Manual

WARNING: If any parts are damaged or missing do not operate this product until the parts are replaced. Failure to heed this warning so could result in serious personal injury. WARNING: Do not attempt to modify this product or create accessories not recommended for use with this product. Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury. WARNING: Do not insert switch key until assembly is complete. Failure to comply could result in accidental starting and possible serious personal injury. WARNING: To prevent accidental starting, do not make any adjustments or installations with the switch key inserted.


ASSEMBLY ASSEMBLING THE HANDLE WARNING: Never operate the mower without the proper safety devices in place and working. Never operate the mower with damaged safety devices. Failure to heed this warning can result in serious personal injury. ■ Remove any packing material which may be between the upper and lower handles for shipping purposes. ■ Pull up and back on the upper handle to raise the handle into operating position. Make certain the handles snap into place securely. (Fig. 2). ■ Align the holes (3) between the upper handle (1) and lower (2) handles. Insert the bolts (4) and tighten them with the wing nuts (5) provided. ■ Secure the lower handle to the bracket with the knob (6) in each side (Fig. 3).

Fig. 2

1 4

3 5



Fig. 3 11

ASSEMBLY INSTALLING SIDE DISCHARGE DEFLECTOR (Fig. 4) ■ Lift the side discharge door (1). ■ Align the grooves on the deflector (2) with the pins on the underside of the door. ■ Lower the deflector until the hooks on the mower deck are secured in the openings in the deflector. ■ Release the deflector and door.

1 1

2 2 Fig. 4


ASSEMBLY INSTALLING THE MULCHING PLUG (Fig. 5) NOTE: When using the mulching plug, do not install either the side discharge deflector or the grass catcher. ■ Lift the rear discharge door (1). ■ Grasp the mulching plug (2) by its handle and tilt at an approximate 15 degree angle. ■ Insert the plug into the rear discharge opening. ■ Lower the rear discharge door.



Fig. 5


ASSEMBLY INSTALLING THE GRASS CATCHER (Fig. 6) NOTE: When using the grass catcher, do not install either the side discharge deflector or the mulching plug. ■ Lift the rear discharge door (1). ■ Lift the grass catcher (2) by its handle and place under the rear discharge door so that the hooks on the grass catcher are seated on the door rod (3). ■ Release the rear discharge door. When installed correctly, the hooks on the grass catcher will extend through the openings on the rear discharge door.

1 3 2

Fig. 6



Fig. 7 NOTE: The battery can be charged in or out of the mower. The charger that is supplied with this mower is a specially designed 2-stage charger. Step 1: The red light will light up during the recharge cycle. Step 2: The green light will light up when the battery is fully charged. 1. Remove the jack cover. 2. Plug the charger connector into the jack on the battery. 3. Insert the 120 V plug from the charger into the electrical outlet. 4. The red light on the charger should come on, which indicates that the charger is working and the battery is being charged. The red light will go out and the green light will come on when the battery is completely charged (it takes approximately 15 hours to charge a fully discharged battery).

WARNING: Never operate the mower without a proper trail shield, discharge cover, grass catcher, switch, or other safety protective device in place and in working order. Do not operate the mower with a damaged safety device. Doing so can result in injury.



When you start the mower, the lights will indicate the battery’s capacity, according to the following chart.

Green Green Green Yellow Red

BCI switch


Lights 3 Green Lights

At Full capacity

2 Green Lights

At 60% capacity

1 Green Light

At 45% capacity

Yellow Light

At 25% capacity

Red Light

At <20% capacity



To start the motor: 1. Remove the switch key (1). 2. Press and hold the Power button (2). This makes the Bail switch operational. 3. Pull the bail switch (3) upward to the handlebar to operate and release the Power button. To stop the motor: 1. Release the bail switch. 2. Replace switch key for storage. Power button (2)

Switch key (1)

Bail switch (3)


Do not attempt to override the operation of the safety key or lever.

WARNING: The operation of any mower can result in foreign objects being thrown into the eyes, which can cause severe eye damage. Always wear safety glasses while operating the mower and while performing any adjustments or repairs. WARNING: Ensure that other people and pets remain at least 100' (30 m) away when the mower is in use. INSPECT THE CUTTING AREA

Remove all stones, sticks, wire, bones, and other debris that might be thrown by the rotating blades.


OPERATION SETTING BLADE HEIGHT (Fig. 9) When shipped, the wheels on the mower are set to a low-cutting position. Before using the mower for the first time, adjust the cutting position to the height best suited for your lawn. The average lawn should be between 1-1/2 in. to 2 in. during cool months and between 2 in. and 3-1/4 in. during hot months. To set the blade height: ■ To raise the blade height, grasp the height adjustment lever and move it toward the back of the mower. ■ To lower the blade height, grasp the height adjustment lever and move it toward the front of the mower.


Fig. 9



■ The battery that is supplied with this mower is a maintenance-free, sealed, 24 V storage battery. It can be tipped without danger of acid spillage. ■ For optimal performance, charge the battery every two weeks, even when it is not in use. ■ Charge the battery in a cool, dry place. ■ The battery does not have to be fully discharged before recharging. This battery will not develop a memory. 2 to 3 initial charging/discharging cycles may be required in order to reach the maximum run time/capacity. When it is fully charged, the battery can be stored in temperatures as low as –40° F (–40° C) for a period of up to two weeks before it requires recharging. ■ The battery charger should be operated in temperatures between 23° and 104° F (–5° and 40°C). ■ The battery supplied is sealed, maintenance-free, and spill-free.


■ Charge the mower battery in a dry area that is protected from the weather. Do not expose the mower or the charger to rain. ■ Do not charge the battery in a wet location. Operate the battery charger in temperatures between 23° and 104°F (–5° and 40°C). In order to reduce the risk of electric shock, use only the charger that is provided by the manufacturer to charge the battery. ■ DO NOT ABUSE THE CHARGE CORD. Never carry the charger by the cord. Do not disconnect the charger from the outlet or from the mower by pulling the charger cord. ■ Do not service the mower with the charger connected. Do not use a damaged charger. ■ Replace the charger cords or the charger immediately. ■ Keep the mower and the charger away from water, heat sources(radiators, heaters, stoves, etc.), flames, and chemicals.


OPERATION SLOPE OPERATION (Fig. 10) WARNING: Slopes are a major factor related to slip and fall accidents that can result in severe injury. Operation on slopes requires extra caution. If you feel uneasy on a slope, do not mow it. For your safety, use the slope gauge included as part of this manual to measure slopes before operating this unit on a sloped or hilly area. 1. Mow a cross the face of slopes; never up and down. Exercise extreme caution when changing direction on slopes. 2. Watch for holes, ruts, rocks, hidden objects or bumps that may cause you to slip or trip. Tall grass can hide obstacles. 3. Always be sure of your footing. If you feel you are losing you rbalance, release the blade/motor control handle immediately, and the blade will stop rotating within 3 seconds. 4.Do not mow near drop-offs, ditches or embankments; you could lose your footing or balance. 5. Do not mow slopes greater than 15° as shown on the slope gauge. 6. Do not mow wet or damp grass.Unstable footing could cause slipping.

Fig. 10

WARNING: Do not mow a slope that has an angle of greater than 15° (a rise of approximately 2 1/2’ [.75 m] every 10’ [3 m]). Mow across the face of a slope, and never up and down. SLOPE GAUGE Use this page as a guide in order to identify slopes that cannot be mowed safely.


OPERATION EMPTYING THE GRASS CATCHER (Fig. 11) ■ Lift the grass catcher by its handle and lift to remove from mower. ■ Empty grass clippings. ■ Lift the rear discharge door and reinstall the grass catcher as described earlier in this manual.

Fig. 11


MAINTENANCE WARNING: When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: Always wear safety goggles or safety glasses with side shields during power tool operation or when blowing dust. If operation is dusty, also wear a dust mask. GENERAL MAINTENANCE

Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc.

WARNING: Do not at any time let brake fluids, gasoline, petroleum-based products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken, or destroy plastic which may result in serious personal injury. Periodically check all nuts and bolts for proper tightness to ensure safe operation of the mower. Remove any buildup of grass and leaves on or around the motor cover. Wipe the mower clean with a dry cloth occasionally. Do not use water.


All of the bearings in this product are lubricated with a suf-ficient amount of high grade lubricant for the life of the unit under normal operating conditions. Therefore, no further bearing lubrication is required. At the beginning and end of each mowing season: ■ Lubricate the springs on the rear discharge door with light oil. ■ Lubricate the height adjustment lever and related hardware with light oil. ■ Remove the wheels and lubricate the surface of the axle bolt and the inner surface of the wheel with light oil. ■ Remove the blade and blade hub assembly and lubricate the motor shaft with light oil or engine oil. See Replacing the Cutting Blade for instructions on removing the blade.

WARNING: Always protect hands by wearing heavy gloves and/or wrapping the cutting edges of the blade with rags and other material when performing blade maintenance. Failure to heed this warning so could result in serious personal injury. WARNING: Before performing any maintenance, make sure the mower is unplugged from the power supply and the switch key is removed. Failure to heed this warning could result in serious personal injury.



Since the mower is equipped with a sealed battery, the mower can be tipped for maintenance without the danger of acid spillage. NOTE: Only use identical replacement blades. ■ Stop the motor and remove the switch key. Allow blade to come to a complete stop. ■ Turn the mower on its side. ■ Wedge a block of wood between the blade and mower deck to prevent the blade from turning. ■ Loosen the blade nut using a 15 mm wrench or socket (not provided). ■ Remove the blade nut, spacer, blade insulator, and blade. ■ Make certain the fan assembly is pushed completely against the motor shaft. Place the new blade on the shaft against the fan assembly. Make sure it is installed with the curved ends pointing up toward the mower deck and not down toward the ground. ■ Replace the blade insulator and spacer, then thread the blade nut on the shaft and finger tighten. NOTE: Make certain all parts are replaced in the exact order in which they were removed. ■ Torque the blade nut down using a torque wrench (not provided) to ensure the bolt is properly tightened. The recommended torque for the blade nut is 220- 310 in. lbs. BLADE


Fig. 12







Fig. 13


For best mowing performance, the mower blade must be kept sharp. A dull blade does not cut grass evenly and over-loads the motor. Under normal circumstances, sharpening the blade twice during the mowing season is usually sufficient. However, if your lawn has sandy soil, more frequent sharpenings may be required. ■ Following the instructions in the Replacing the Cutting Blade section, remove the mower blade. DO NOT attempt to sharpen the blade while it is attached to the mower. ■ Using a fine-tooth file or stone, sharpen cutting edges on both ends of the blade, removing equal amounts of material from both ends.

WARNING: When removing, inspect the blade carefully. If blade is bent or damaged, replace immediately with a new blade. Failure to replace a bent or damaged blade could cause an accident resulting in possible serious injury.

Fig. 14



When sharpening, care should be taken to keep the blade balanced. An unbalanced blade will cause excessive vibration when the mower is running. This vibration will eventually cause damage to the mower, especially the motor. To check the blade balance: ■ Clamp a screwdriver horizontally in a vise as shown. NOTE: If a vise is not available, a straight nail can also be used. ■ Place the center hole of blade on the screwdriver (or nail) shank. ■ If blade is balanced, it will remain in a horizontal position. If either end of the blade drops downward, sharpen the heavy side until the blade is balanced.

Fig. 15



■ Replace switch key for storage. ■ Turn mower on its side and clean grass clippings that have accumulated on the underside of the mower deck. ■ Wipe the mower clean with a dry cloth. ■ Check all nuts, bolts, knobs, screws, fasteners, etc., for tightness. ■ Inspect moving parts for damage, breakage, and wear. Have repairs made on any damaged or missing parts. ■ Store mower indoors in a clean, dry place out of the reach of children. ■ Do not store near corrosive materials such as fertilizer or rock salt. To lower the handle before storing: ■ Fully loosen the handle knobs on the sides of the handle and fold the upper handle down. ■ Push inward on each side of the lower handle, and lift the sides of the lower handle past the edges of the handle mounting brackets. ■ Fold the lower handle forward, making sure not to bend or kink the power cord.



It is recommended to charge the mower every 2 months for optimum performance when not in use. If the battery has been in storage for a long time without recharging, it will be in a low charge state.

ENVIRONMENTALLY SAFE BATTERY DISPOSAL The following toxic and corrosive materials are in the batteries used in this grass trimmer battery pack: Lead, a toxic material.

WARNING: All toxic materials must be disposed of in a specified manner to

prevent contamination of the environment. Before disposing of damaged or worn out Lead battery packs, contact your local waste disposal agency, or the local Environmental Protection Agency forinformation and specific instructions. Take the batteries to a local recycling and/or disposal centre, certified for Lead disposal.





If the battery pack cracks or breaks, with or without leaks, do not recharge it and do not use. Dispose of it and replace with a new battery pack. DO NOT ATTEMPT TO REPAIRIT! To avoid injury and risk of fire, explosion, or electric shock, and to avoid damage to the environment: • Cover the battery's terminals with heavy-duty adhesive tape. • DO NOT attempt to remove or destroy any of the battery pack components. • DO NOT attempt to open the battery pack. • If a leak develops, the released electrolytes are corrosive and toxic. DO NOT get the solution in the eyes or on skin, and do not swallow it. • DO NOT place these batteries in your regular household trash. • DO NOT incinerate. • DO NOT place them where they will become part of any waste landfill or municipal solid waste stream. • Take them to a certified recycling or disposal centre. Contains sealed lead battery. Battery must be recycled.



Possible Cause


Carriage bolts not seated properly.

Adjust the height of the handle and make sure the carriage bolts are seated properly.

Handle knobs not tightened.

Tighten handle knobs.

Battery is low in charge.

Charge the battery.

Battery is either defective or will not take a charge.

Replace the battery.

Mower cutting grass unevenly.

Lawn is rough or uneven or cutting height not set properly.

Move the wheels to a higher position. All wheels must be placed in the same cutting height for the mower to cut evenly.

Mower not mulching properly.

Wet grass clippings sticking to the underside of the deck.

Wait until the grass dries before mowing.

Mower hard to push.

High grass, rear of mower housing and blade dragging in heavy grass, or cutting height too low.

Raise cutting height.

Mower vibrating at higher speed.

Blade is unbalanced.

Balance the blade by grinding each cutting edge equally.

Bent motor shaft.

Stop the motor, disconnect the power source, and inspect for damage. Have repaired by an authorized service center before restarting.

Handle not in position.

Mower not starting.


LIMITED TWO-YEAR WARRANTY DURAMAXX™ hereby warranties this product, to the original purchaser with proof of purchase, for a period of two (2) years against defects in materials, parts or workmanship. DURAMAXX™, at its own discretion will repair or replace any and all parts found to be defective, through normal use, free of charge to the customer. This warranty is valid only for units which have been used for personal use that have not been hired or rented for industrial/commercial use, and that have been maintained in accordance with the instructions in the owners’ manual supplied with the product from new. Battery carries a one (1) year warranty against defects in workmanship and materials. Batteries must be charged in accordance with the operator’s manuals directions and regulations in order to be valid. ITEMS NOT COVERED BY WARRANTY: 1. Any part that has become inoperative due to misuse, commercial use, abuse, neglect, accident, improper maintenance, or alteration; or 2. The unit, if it has not been operated and/or maintained in accordance with the owner's manual; or 3. Normal wear, except as noted below; 4. Routine maintenance items such as lubricants, blade sharpening, battery charging; 5. Normal deterioration of the exterior finish due to use or exposure. DURAMAXX HELPLINE (1 866 456 8934): Warranty service is available by calling our toll-free helpline, 9 a.m. to 5 p.m. EST. Monday – Friday. TRANSPORTATION CHARGES: Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser. It is the purchaser’s responsibility to pay transportation charges for any part submitted for replacement under this warranty unless such return is requested in writing by DURAMAXX.





23 24

5 6 7 8 9 10 4

3 2 1


EXPLODED VIEW/PARTS LIST No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

Modle Num. 31301237-8 32201235 34106236 3410438 3410338 3320338 3420207 3340237 3330637 3220136 33305222-1 3413039 3221137 3410801 3220210 33304235 34103236 3320138-1 33302235 3290506 3610139-1 3220537 34101237 3420235 3220575 31103237 34902237 33301237 34104236 34103236 3220511 33305227-1 3221237 33302222-1 3221637 34113227 34114227 31103222 33401222 3290135 3330394 3411135 3220436 3410835-4 31101237 34104227 3290440

Qty 1 6 1 1 1 1 2 1 1 2 1 1 2 1 2 1 1 1 1 1 1 3 1 1 6 1 1 1 1 1 2 2 2 1 4 1 1 1 1 1 1 4 2 4 1 4 4

Description 20´´ 24V deck screw rear enclosure side discharge chute side discharge cover side discharge shaft rubber bushing torsion spring side discharge bracket bolt height adjustment board (R) cord guide screw cord clip screw torsion spring for rear cover (L) rear cover shaft for rear cover torsion spring for rear cover (R) cir-clip 8 motor nut M6 motor housing cover seal screw battery assy. grass catcher bracket for grass catcher rear plug rear shield screw new cord board nut M4 height adjustment board (L) bolt Height adjustment knob(upper) Height adjustment knob(lower) height adjustment handle assy. torsion spring clip Ф2.5 lower handle cord retainer handle bolt handle knob upper handle assy. wheel cover cir-clip


EXPLODED VIEW/PARTS LIST No. 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67

Model Num. 34202227-2 3320639 3220537 3340137-2 31102222 3303227-5 31101222 3320237 3220575 3220439 3220137 3320238 3410237 33313250 3410535 3331435 3221037 34201227-2 3331638 3110392-5C

Qty 2 2 2 1 1 1 1 2 4 4 3 1 1 1 1 1 1 2 4 1

Description 10 in. wheel assy.(L) washer for wheel (white) nut M6 pull spring rear wheel axle height adjustment bar front wheel axle washer for wheel (white) screw nut M6 screw motor bushing fan blade blade baffle square baffle nut M10 7in. wheel assy. washer charger assy.




EXPLODED VIEW/PARTS LIST No. 26-1 26-2 26-3 26-4 26-5 26-6 26-7 26-8 26-9 26-10 26-11 26-12 26-13 26-14 26-15 26-16 26-17 26-18 26-19 26-20 26-21 26-22 26-23 26-24 26-25

Model Num. 3220345 34104229 32201229 36501229 3660239-1 36502229 3050245 3050145 3290575 3419650 3330550 36504229 3411445 36201237 3650139 34104226-1 3690292 34105229 33301229 34103229 3050102 3050110 3030175 3650211 3650239

Qty 12 1 2 1 2 2 1 1 4 2 2 1 1 1 1 1 2 1 2 1 1 1 1 1 4

Description screw battery Housing screw rubber cover for connector 2 X 12 V 20Ah SLA BATTERY connector terminal wire (blue) wire (yellow) connecting piece flag bushing 6.3 flag terminal 6.3X0.8 60A fuse BCI check button Battery check indicators charging port charge port cap port cap line for battery case lock hook battery Cover wire (red) wire (black) heat shrink tube Ф6 diode connect piece for battery


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