Snow Joe MJ401C Operators Manual
OPERATOR’S MANUAL
EN
R
CORDLESS LAWN MOWER
28-VOLT | 4.0 Ah | 14-INCH
A Division of Snow Joe®, LLC
Model MJ401C
IMPORTANT!
Safety Instructions
All Operators Must Read These
Instructions Before Use
Always follow these safety guidelines. Failure to do so may
result in serious bodily injury or death.
General Safety WARNINGS!
When using this cordless lawn mower, basic safety
precautions should always be followed to reduce the risk of
re, electric shock and personal injury. These precautions
include:
mWARNING! Do not operate without the entire grass
catcher, discharge guard, rear guard or other safety protective
devices in place and in proper working order.
mWARNING! The use of any other accessory or
attachment might increase the risk of injury.
mWARNING! To reduce the risk of injury, inspect the
catcher assembly frequently and replace with recommended
replacement if there are signs of wear or deterioration.
Before using the mower, take the time to familiarize yourself
with the controls, especially how to stop the mower in
an emergency. The only individuals who should use the
mower are those who have a thorough understanding of the
instructions and who know how to operate the machine.
Children should never be allowed access to the mower.
Retain this manual for future reference and reread it at the start
of each mowing season.
mWARNING! Contact with moving parts may cause
entanglement, dismemberment or other serious bodily
injury. Always keep body parts (i.e. hands, feet) a safe
distance away from moving parts. Ensure all covers and
guards are securely in place before use.
Hot surfaces (i.e. the motor) may ignite ammable
or combustible items and cause a re or explosion,
which can result in serious bodily injury. Keep the mower
a safe distance away from ammable or combustible items
until surfaces that are hot have completely cooled. Do not
store the mower near ammable or combustible items.
A damaged blade or worn blade nut may break o the
mower assembly and cause serious injury. Replace the
damaged blade or blade nut before using the mower.
Form No. SJ-MJ401C-880E-MR6
1. Avoid dangerous conditions – Do not use the mower in
the rain or when the grass is damp or wet.
2. Keep children, bystanders and pets away – Always
keep children and spectators a safe distance away from
the mower during operation and as the machine cools.
3. Dress properly – Always wear personal safety gear
(i.e. glasses, rubber gloves, protective footwear and
dust masks) and proper clothing when using the mower.
Loose clothing, long hair or jewelry may get caught in the
moving parts.
4. Use the right appliance – Do not use the lawn mower
for any applications other than those for which it was
intended.
5. Do not force the lawn mower – It will perform better with
less likelihood of personal or mechanical injury if it is used
at the rate for which it was designed.
6. Do not overreach – Keep proper footing and balance at
all times.
7. Stay alert – Always be alert and watch what you are
doing. Use common sense. Do not operate the lawn
mower when you are tired or under the inuence of
alcohol or drugs.
8. Disconnect the lawn mower – Turn OFF and remove
safety key when the mower is not in use, before servicing
it, when changing accessories and when performing any
other maintenance task.
9. Store idle lawn mower indoors – When not in use, the
lawn mower should be stored indoors in a dry, locked
place out of the reach of children.
10. Maintain the lawn mower with care – Keep cutting
edges sharp and clean for best and safest performance.
11. Use personal protective equipment. Always wear eye
protection – Protective equipment such as safety glasses,
a dusk mask, non-skid safety shoes, a hard hat, and
hearing protection, when used for appropriate conditions,
will reduce the possibility of personal injuries.
12. Avoid unintentional starting – Ensure the switch is in
the OFF position before insert the safety key, or before
picking up or carrying the tool. Carrying power tools with
your nger on the switch or charging power tools with the
switch ON can lead to accidents.
13. Remove any adjusting key or wrench before starting
the power tool – A wrench or a key left attached to
a rotating part of the power tool may result in
personal injury.
14. Keep cutting blades sharp and clean –
Properly maintained cutting blades with sharp edges are
less likely to bind and are easier to control.
© 2020 by Snow Joe®, LLC
All rights reserved. Original instructions.
SAVE THESE INSTRUCTIONS
1
15. Keep all parts of the body away from the cutting blade
– Do not remove cut material or hold material to be cut
when blades are moving. Make sure the switch is o when
clearing jammed material. A moment of inattention while
operating the product may result in serious personal injury.
16. If the lawn mower strikes a foreign object, follow
these steps:
i) Stop the lawn mower by releasing the start/stop
switch bar lever.
ii) Remove the safety key.
iii) Inspect for damage.
iv) Repair any damage before restarting and operating
the lawn mower.
17. Only use identical replacement blades and
other genuine parts.
18. Keep guards in place and in proper working order.
Electrical Safety
1. If the battery charger cable is damaged, please call the
Snow Joe
1-866-SNOWJOE (1-866-766-9563).
2. If charging the power tool in a damp location is
unavoidable, use a residual current device (RCD)
protected power supply. The using of an RCD reduces the
risk of electric shock.
3. Avoid body contact with earthed or grounded surfaces
such as pipes, radiators, ranges and refrigerators. There is
an increased risk of electric shock if your body is earthed
or grounded.
4. Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of
electric shock.
5. Do not abuse the charging cord. 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.
6. Battery charger is for indoor use only. Do not charge lawn
mower in rain, or in wet locations.
®
+ Sun Joe® customer service center at
Battery Safety Warnings
This manual contains important safety and operating
instructions for your battery and charger.
1. Before using the charger, thoroughly read all instructions
and cautionary markings on the charger, the battery,
and the unit.
mWARNING! If the lawn mower housing is cracked or
damaged, do not insert the charging adapter into the power
tool or plug the AC adapter into the mains outlet. There is a
danger of electric shock or electrocution.
2. This charger is ONLY intended to charge this rechargeable
battery. Any other use poses a risk of re, electric shock
or electrocution.
3. Do not place any object on top of the charger or place
the charger on a soft surface that may result in excessive
internal heat. Keep the charger away from any
heat source.
4. To reduce the risk of damaging the electric plug and cord,
pull the plug, not the cord, when disconnecting
the charger from the electric outlet.
5. Make sure the battery charging cable is located in a safe
place so that it will not be stepped on, tripped over or
otherwise subjected to damage or stress.
6. An extension cord should not be used unless absolutely
necessary. Using an improper extension cord poses a risk
of re, electric shock or electrocution.
7. Do not operate the charger if it has received a sharp
blow or has become damaged in any way.
Contact the Snow Joe
center at 1-866-SNOWJOE (1-866-766-9563) before
continuing use.
8. Do not disassemble the charger. If the charger requires
service or repair, contact an authorized Snow Joe
Sun Joe
customer service center at 1-866-SNOWJOE
(1-866-766-9563). Incorrect reassembly poses a risk of
electric shock, electrocution or re.
9. To reduce the risk of electric shock, unplug the charger
from the outlet before cleaning the unit.
10. Never attempt to connect two (2) chargers together.
®
dealer or call the Snow Joe® + Sun Joe®
®
+ Sun Joe® customer service
®
+
2
11. DO NOT store or use the tool and battery pack in
locations where the temperature may reach or exceed
104 ºF (40 ºC). Dangerous storing locations include
outdoor sheds or metal buildings in the summer.
12. The charger is designed to operate on standard household
electrical power (100 – 240V AC). Do not attempt to use it
with any other voltage!
NOTE: The integrated battery is not fully charged out of
the carton. Read the safety instructions and then follow
the charging notes and procedures.
13. The longest life and best performance can be obtained if
the integrated battery is charged when the air temperature
is between 64.4ºF – 75.2ºF (18ºC – 24ºC). Do not charge
the battery pack when the air temperature falls below
50ºF (10ºC) or above 104ºF (40ºC). Following these safety
measures will prevent damage to the battery pack.
14. Do not incinerate the integrated battery even if it is
seriously damaged or completely worn out. The battery
can explode in a re.
IMPORTANT!
Safety Instructions for
Walk-Behind Mowers
General Operation
• Read, understand and follow all instructions on the
machine and in the manual(s) before starting.
• Do not put hands or feet near or under the machine.
Always stay clear of the discharge opening.
• Only responsible adults who are familiar with the
instructions should be allowed to operate this machine.
• Clear the mowing area of foreign objects such as rocks,
wire, toys and other miscellaneous articles, which could
be picked up and thrown by the blade. Stay behind the
handle when the engine (motor) is running.
• Make sure that the mowing area is clear of bystanders
before starting the machine. Stop the machine if anyone
enters the area.
• Do not operate the machine barefooted or while wearing
sandals. Always wear substantial footwear.
• Always look down and behind before and while moving
backward with the mower.
• Never direct discharged material toward anyone. Avoid
discharging material against a wall or other obstruction.
• Do not operate the machine without the entire grass
catcher, discharge guard, rear guard or other safety
protective devices in place and in proper working order.
• Never leave a running machine unattended.
• Stop the engine (motor) and wait until the blade comes to
a complete stop before cleaning the machine, removing
the grass catcher or unclogging the discharge guard.
• Operate the machine only in daylight or in good
articial light.
• Do not operate the machine when you are tired or under
the inuence of alcohol or drugs.
• Never operate the mower in wet grass. Always be sure of
your footing; walk, never run, with the mower.
• If the machine should start to vibrate abnormally, stop
the engine (motor) and immediately check the machine to
ascertain the cause. Vibration is generally a signal
of trouble.
• Keep blades sharp.
• Keep hands and feet away from the cutting area.
• Always wear eye protection when operating the machine.
• Objects struck by the lawn mower blade can cause severe
injuries. The mowing area should always be carefully
examined and cleared of all objects prior to each mowing.
Slope Operation
Slopes are major factors 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.
• Mow across the face of slopes; never mow slopes
following an up and down traverse. Exercise extreme
caution when changing direction on a slope.
• Watch for holes, ruts, bumps, rocks or other hidden
objects. These may cause an unexpected slip or fall.
• Do not mow on wet grass or excessively steep slopes.
Poor footing could cause a slip and fall accident.
• Do not mow near drop os, ditches or embankments.
You could lose your footing or balance.
Children
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
watchful care of a responsible adult other than the
operator.
• Stay alert and turn the mower o if a child enters the area.
• Never let children operate the machine.
• Use extra care when approaching blind corners, shrubs,
trees or other objects that may block your view of a child.
3
Service
• Stop the machine and disconnect the safety key before
servicing, cleaning, or removing grass from the lawn
mower.
• Keep all nuts and bolts tight.
• Never tamper with safety devices. Regularly check
to ensure these devices are in place and in proper
working order.
• Keep the mower free from grass, leaves or other debris
buildup.
• If you strike a foreign object, stop and inspect the
machine. Repair, if necessary, before restarting.
• Never make any adjustments or repairs with the engine
(motor) running. Always plug out the safety key before
adjusting, cleaning or repairing.
• Check the grass bag components and the discharge
guard frequently and replace with manufacturer’s
recommended parts when necessary.
• Mower blades are sharp. Wrap the blade or wear gloves,
and use extra caution when servicing them.
• Maintain or replace safety and instruction labels,
as necessary.
• If your power tool requires service, contact an authorized
Snow Joe
Sun Joe
(1-866-766-9563). Only identical replacement parts should
be utilized for repairs. This will ensure that the safety of
the power tool is maintained.
• If the battery charger cable is damaged, it must be
immediately replaced to avoid a hazard. Contact the
Snow Joe
1-866-SNOWJOE (1-866-766-9563) for assistance.
®
+ Sun Joe® dealer or call the Snow Joe® +
®
customer service center at 1-866-SNOWJOE
®
+ Sun Joe® customer service center at
4
Safety Symbols
The following table depicts and describes safety symbols that may appear on this product. Read, understand and follow all
instructions on the machine before attempting to assemble and operate.
Symbols SymbolsDescriptions Descriptions
DANGER! Rotating blades.
Keep hands and feet away.
Safety Alert. Caution.
To reduce the risk of injury, user
must read instruction manual.
WARNING! Do not expose or
operate the unit in rain or wet
conditions. Keep dry.
Slip on slope hazard – Use extra
caution when mowing on slopes
to prevent slip and fall accidents.
Thrown objects and rotating
blade can cause severe injury.
Keep bystanders and children
a safe distance away.
Wear eye and hearing protection.
For protection against injury, wear
ear defenders and safety goggles.
Wear protective gloves and
non-slip footwear when using the
machine and handling debris.
Severing of toes or ngers by
rotary mower blade.
Keep bystanders a safe distance
away from the work area.
Blades continue to rotate after
machine is switched o.
Rotating blades, keep hands and
feet away from the opening while
the machine is running.
Indoor use only. Only use battery charger indoors.
5
WARNING! Always turn the machine
OFF and remove the safety key
before conducting inspection,
cleaning and maintenance.
Look behind when backing
up with the lawn mower.
Know Your Cordless Lawn Mower
Read the owner’s manual and safety instructions carefully before operating the mower. Compare the illustration below to the
mower in order to become familiar with the location of the various controls and adjustments. Save this manual for future reference.
1. Switch lever
2. Safety lock button
3. Switch box
4. Cable clip (2)
5. Upper handle knobs and bolts (2)
6. Top cover
7. Safety key
8. Charge socket
9. Battery capacity indicator
10. Battery gauge cover
11. Wheels (4)
12. Mower deck
13. Grass collection bag
14. Ejector ap
15. Lower handle
16. Upper handle
7
9
17. Hand grip
18. iCHRG28-AC charger
10
1
2
3
17
4
5
8
6
R
15
14
R
18
16
13
12
11
Technical Data
Motor ............................................................... 600 W Brushless
Battery Voltage Max* ................................................... 28V D.C.
Battery Capacity ............................................................. 4.0 Ah
Battery Runtime Max ...................................................... 25 min
................................................... (cuts up to 2150 sq ft of grass)
Charger Input ..................................................... 100 – 240V AC
...........................................................................50 – 60 Hz 0.8A
Charger Output ..................................................... 29V DC 0.9A
Battery Charge Time Max .......................................... 4.5 hours
*Initial no-load voltage, when fully charged, peaks at 29.4 volts; nominal voltage under typical load is 28 volts.
No Load Speed .......................................................... 3000 rpm
Cutting Width Max .............................................14 in. (35.6 cm)
Cutting Height ............................................... 1.18 in. to 2.52 in.
.......................................................................(30 mm to 64 mm)
Grass Bag Capacity .............................................10.6 gal (40 L)
Blade Material .................................................................... Steel
Wheel Size .......................................................... 5.5 in. (14 cm)
Net Weight ..................................................... 23.1 lbs (10.5 kg)
6
Unpacking
Fig. 1
Carton Contents
• Cordless lawn mower
• Grass collection bag
• Grass collection bag support rod
• Upper handle
• Upper handle knob and bolt assembly (2)
• Lower handle
• Lower handle screws (2)
• Spanner
• Screws (2)
• Cable clips (2)
• Battery charger
• Manual and registration card
1. Carefully remove the lawn mower and check to see that all
of the above items are supplied.
2. Inspect the product carefully to make sure no breakage
or damage occurred during shipping. If you nd damaged
or missing parts, DO NOT return the unit to the store.
Please call the Snow Joe
department at 1-866-SNOWJOE (1-866-766-9563).
NOTE: Do not discard the shipping carton and packaging
material until you are ready to use your new cordless lawn
mower. The packaging is made of recyclable materials.
Properly dispose of these materials in accordance with
local regulations.
®
+ Sun Joe® customer service
Lower handle
Screw
Machine body
2. Join the upper handle to the lower handle using the knob,
plastic washer and bolt provided (Fig. 2). Repeat on the
opposite side.
Fig. 2
Upper handle
Plastic washer
Bolt
Knob
Assembly
m
WARNING! Do not insert the safety key until assembly
is complete. Failure to comply could result in accidental
starting and serious personal injury.
mWARNING! Before performing any maintenance,
make sure the key is removed from the unit. Failure to heed
this warning could result in serious personal injury.
mWARNING! The product must be fully assembled
before operation. Do not use a product that is only partially
assembled or assembled with damaged parts.
NOTE: Before using the mower, follow these instructions to
assemble the handle and grass bag.
Handle Assembly
1. Fit the lower handle into the two holes in the machine
body and fasten the handle on both sides with the screws
provided (Fig. 1).
Grass Collection Bag Assembly + Fitting
1. Fit the support rod into the holes in the plastic cover.
The bend of the support rod should face the rear of the
machine (Fig. 3).
Fig. 3
Plastic
cover
Support rod
R
7
2. Place the protective plastic straps onto the support rod
(Fig. 4).
Fig. 4
Protective
plastic
straps
Support rod
3. Lift the ejector ap with one hand. With the other hand,
hold the grass collection bag by the handle and hook it in
from above (Fig. 5).
Fig. 5
R
Ejector ap
Before Using
Charging Procedure
The battery charger supplied matches the lithium-ion battery
installed in the tool. Do not use other battery chargers.
The lithium-ion battery is protected against deep discharging.
When the battery is empty, a protective circuit will
automatically switch OFF the machine.
Charge the battery for up to 4.5 hours then use it until it runs
down (i.e. the tools starts to operate slowly). Recharge for
up to 4.5 hours again before resuming operation.
The mower is equipped with a battery capacity indicator
system under the battery gauge cover. To check the battery
capacity, lift up the battery gauge cover and push the button
(Fig. 7). The charge indicator system indicates the battery
status of the lawn mower as the table shows below.
Fig. 7
3
2
1
Battery
gauge cover
Grass collection bag
4. Release the ejector ap to secure the grass collection bag
in position (Fig. 6).
Fig. 6
Ejector ap
R
Grass
collection
bag
Push
the
button
LED's Illuminated
1- Green, 2- Yellow,
3- Red
1- Not illuminated, 2- Yellow,
3- Red
1- Not illuminated,
2- Not illuminated, 3- Red
PUSH
Battery capacity
indicator system
Condition
More than 60% charged
More than 30% charged
Less than 30% charged.
Need to be charged
Battery Charging
The battery in this lawn mower has been designed to provide
maximum trouble-free life. However, like all batteries, it will
eventually wear out. To obtain the longest possible battery life,
we suggest the following:
• Store and charge your lawn mower in a cool area.
Temperatures above or below normal room temperature
will shorten battery life.
8
• Never store the lawn mower with the battery in a
discharged condition. Recharge the unit immediately after
it is discharged.
• All batteries gradually lose their charge. The higher the
temperature is, the faster they lose their charge. If you
store your lawn mower for long periods of time without
using it, recharge the battery every 6 months. This will
extend battery life.
NOTE: The lawn mower has been shipped in a low charge
condition and should be fully charged before use.
1. Plug the charger into an appropriate AC power outlet.
Connect the charger plug into the charging socket of the
lawn mower to start charging (Fig. 8).
Fig. 8
Operation
This lawn mower is intended for private residential use to cut
grass in small lawns and gardens. This lawn mower is not
intended to cut grass in public parks, playing elds, farms or
forests. Do not use this lawn mower for any application other
than that for which it is intended.
Starting + Stopping
mWARNING! Before switching on the mower, make sure
that it is not in contact with any foreign objects. Keep your
hands and feet a safe distance away from the rotating mower
blade and the ejector opening. Failure to comply with these
warnings can result in severe personal injury.
IMPORTANT: Do not start the mower in tall grass.
1. Before starting the unit, insert the safety key in the slot
(Fig. 9).
Charger
adapter
Charge
indicator
LED light
2. The charge indicator LED on the charger will illuminate red
to indicate that the charging is in progress (Fig. 8).
3. The battery will take approximately 4.5 hours to charge.
The charge indicator LED will become green when the
battery is fully charged, unplug the charger immediately
when the green light is on.
Charger
plug
mCAUTION! This charger does not automatically turn o
when the battery is fully charged. Please take care not to leave
the lawn mower plugged into the charger. Switch o or unplug
the charger at the mains when charging is complete.
NOTE: The charge indicator LED light will illuminate red when
the charger is plugged in and is charging the lawn mower.
The light will turn green when the lawn mower is fully charged.
The charging process starts as soon as the charger is plugged
into both the proper electrical outlet and the tool.
• During the charging procedure, the housing of the tool will
feel slightly warm to the touch. This is normal.
• When no further use is planned for an extended period
of time, disconnect the battery charger from the outlet
and the unit.
• Do not use the tool during the charging procedure.
Fig. 9
Safety key
2. Before starting the lawn mower, hold the handle assembly
with both hands and tilt the handle downward to slightly
raise the front of the lawn mower. This will reduce the risk
of lawn damage during start-up (Fig. 10).
Fig. 10
R
R
9
3. To start the cordless lawn mower, press and hold the
safety lock button while pulling the switch lever toward
you (Fig. 11).
Adjusting the Cutting Height
Follow these instructions to adjust the cutting height of the
lawn mower.
Fig. 11
Switch lever
Safety lock
button
4. Once the machine powers on, release the safety lock
button and proceed with operation, gently lowering the
mower down into the cutting position (Fig. 12).
Fig. 12
mWARNING! Before making these adjustments,
disconnect the power supply to the mower by plugging
out the safety key from the slot, and wait until the rotating
blade has come to a complete standstill. Wearing gloves is
recommended due to the close proximity of the cutting blade.
ALWAYS FOLLOW ALL SAFETY PRECAUTIONS AND
RECOMMENDATIONS LISTED PREVIOUSLY IN THIS
MANUAL.
1. Power o and move the key out from the slot.
2. Remove and empty the grass collection bag.
3. Place the lawn mower on its side.
Fig. 13
High setting
Medium setting
R
R
5. To stop the mower, release the switch lever.
mWARNING! The mower blade will continue to rotate for
a brief period after the unit has been switched o. Do not tilt or
carry the unit while the motor is still running and do not touch
the blade while it is still rotating. Failure to comply could result
in severe personal injury.
Rod axle
4. The wheel axles can be placed into 3 dierent cutting
heights: low (will cut grass the shortest), medium,
and high.
3-Position Height Adjustment:
1. Low: 1.18 in. (30 mm)
2. Medium: 1.93 in. (49 mm)
3. High: 2.52 in. (64 mm)
The cutting height tolerance is +/- 0.2 in. (5 mm).
5. Move all four wheels to the desired cutting height by
pulling back on the rod axle and setting it to the correct
position. Make sure all four wheels are at the same cutting
height position.
NOTE: Set the mower to the highest cutting height when
mowing on uneven ground or in tall weeds.
6. Place the lawn mower back on to its wheels and reattach
the grass collection bag.
7. Insert the safety key into the slot and resume normal use.
Low setting
10
Mowing Tips
mWARNING! Inspect the area prior to mowing and
remove all the stones, sticks, wires and other foreign objects
that could be picked up and thrown by the rotating blade.
Failure to comply not only will damage the mower blade,
but can also lead to serious personal injury.
• Be sure to check the mowing blade periodically for signs
of wear and sharpen it at least once per year, as described
in the maintenance section.
NOTE: A sharp blade will greatly enhance the performance
of the mower, especially when cutting tall blades of grass.
• When cutting thick grass, reduce your walking speed
in order to allow for a more eective cut and a proper
discharge of the clippings. For a healthy lawn, always cut
o one-third or less from the total length of the grass.
The average lawn should be approximately 1.5 in. to 2 in.
(3.8 cm to 5 cm) long during cool months, and more than
2 in. (5 cm) long during hot months. If there is growth, the
lawn should be cut in the fall.
• The lawn will look better if it is always cut to the same
height and in alternate directions.
• When crossing any gravelled surfaces, release the switch
bar lever to turn o the mower. The stones can be picked
up and thrown by the rotating blade.
• Set the mower to the highest cutting height when mowing
on uneven ground or in tall weeds.
mWARNING! If you strike a foreign object, stop the motor
and remove the safety key. Thoroughly inspect the mower and
repair any damage before resuming work.
• IMPORTANT! Never open the ejector ap when the grass
collection bag has been detached (to be emptied) and the
motor is still running. A rotating blade can cause serious
injuries!
• Always carefully fasten the ejector ap and grass
collection bag. Switch o the motor before emptying the
grass collection bag. Always ensure that a safe distance
(provided by the length of the long handles) is maintained
between the user and the mower housing. Be especially
careful when mowing and changing direction on slopes
and inclines.
• Maintain a solid footing and wear sturdy, non-slip
footwear and long trousers. Always mow across an incline
(not up and down).
• For safety reasons, the lawn mower may not be used to
mow inclines with gradients exceeding 15 degrees.
• Use special caution when backing up and pulling the lawn
mower towards you as such maneuvering of the machine
poses a tripping hazard.
Maintenance + Care
mWARNING! Before cleaning, repairing or inspecting
the mower, disconnect the power supply by plugging out the
safety key and verify that all moving parts have come to a
complete stop.
General
• Always keep the mower clean and free of grass, dirt or
other debris.
• Keep the handles dry, clean and free of oil and grease.
• After each cutting session, remove accumulated grass
clippings and debris using either a dry cloth or handbrush.
You may also clean the equipment with a damp cloth and
some soft, non-abrasive soap. Do not use cleaning agents
or harsh solvents as they may damage the equipment's
plastic components. Make sure that no water penetrates
the equipment's interior as intake of water can destroy the
switch/plug mechanism and the electric motor.
• Do not clean the lawn mower with running water,
particularly with high-pressure water.
• Check all nuts, bolts and screws for proper tightness
before each use.
• Frequently inspect the grass collection bag assembly for
signs of wear and replace immediately with a genuine
Snow Joe
• Replace excessively worn or damaged parts immediately.
• To maximize your mower's longevity, all screwed parts,
including the wheels and axles, should be cleaned and
lubricated. There are no parts inside the equipment which
require additional maintenance or lubrication.
Blade Maintenance
IMPORTANT: The mower blade is sharp and can cause severe
personal injury if handled incorrectly. Wrap the blade or wear
protective gloves, and use extra caution when handling.
The steel blade is designed to provide a ne cut in long or
tough grass. Deterioration in the quality of cut indicates blade
wear or damage. Follow these steps to determine if the blade
needs to be resharpened or replaced:
1. Disconnect the power supply to the mower by removing
the safety key.
2. Turn the mower on its side to expose the underside of the
blade housing.
3. Check the blade.
a. If the blade is blunt or has minor wear, then resharpen.
b. If the blade shows signs of major wear or damage
®
+ Sun Joe® part if damage is found.
Contact an authorized Snow Joe
center.
(i.e. gouged, bent), replace. Please call Snow Joe
Sun Joe
1-866-SNOWJOE (1-866-766-9563).
®
customer service for assistance at
®
+ Sun Joe® service
®
+
11
mWARNING! An excessively vibrating mower indicates
that the blade is not properly balanced or has become
deformed from striking an object. In this case, the blade must
be repaired or replaced. Please follow the proper maintenance
procedures for blade care or call the Snow Joe
customer service center for assistance at 1-866-SNOWJOE
(1-866-766-9563).
Blade Replacement
IMPORTANT: Only use original replacement parts specied for
this mower.
You can purchase a replacement blade (Model MJ401C-BLD)
and other genuine replacement parts by visiting us online at
sunjoe.com or calling our toll-free customer service helpline
at 1-866-SNOWJOE (1-866-766-9563). The use of parts that
do not meet the original equipment specications may lead to
improper performance of the lawn mower, may compromise
operator safety and will void the manufacturer's warranty.
1. Disconnect the safety key to the mower.
2. Turn the mower on its side to expose the underside of the
blade housing.
3. Use a cloth to grip the blade or wear heavy-duty gloves.
4. Using the spanner provided, remove the bolt and
the washer securing the blade by turning the bolt
counterclockwise, then carefully remove the blade
(Fig. 14).
Fig. 14
Spanner
®
+ Sun Joe®
Blade
Fig. 15
Blade
Bolt
Washer
Storage
Follow the steps below to prepare the lawn mower for storage:
1. Remove the safety key from the slot.
2. Clean the mower with a damp cloth or hand brush.
3. Inspect the mower carefully for worn, loose or damaged
parts. Check connections and screws and tighten if
necessary. Pay special attention to the mower blade and
replace/sharpen if it shows signs of wear. Refer to the
Maintenance and Care section.
4. Store the mower indoors in a dry, clean and cool area
out of the reach of children. Do not store the unit next to
corrosive materials, such as fertilizer and rock salt.
5. Do not cover the lawn mower with a solid plastic sheet.
Plastic coverings trap moisture around the mower,
which can damage the unit.
6. The handle on your lawn mower can be folded for
compact storage. Start by loosening the handle knobs on
each side of the upper handle and fold down the upper
handle (Fig. 16).
5. Fit the new blade, the washer and the bolt back on
following the same steps in reverse order (Fig. 15).
12
Fig. 16
Upper handle
Upper
handle
knob
R
R
Disposal
Model + Serial Numbers
Recycling + Disposal
The product comes in a package that protects it against
damage during shipping. Keep the package until you are
sure that all parts have been delivered and the product is
functioning properly. Recycle the package afterwards or keep
it for long-term storage.
WEEE symbol. Waste electrical products should not
be disposed of with household waste. Please
recycle where facilities exist. Check with your local
authority or local store for recycling regulations.
Battery Caution + Disposal
Always dispose of your battery pack according to federal,
state, and local regulations. Contact a recycling agency in your
area for recycling locations.
mCAUTION! Even discharged battery packs contain
some energy. Before disposing, use electrical tape to cover
the terminals to prevent the battery pack from shorting, which
could cause a re or explosion.
mWARNING! To reduce the risk of injury or explosion,
never burn or incinerate a battery pack even if it is damaged,
dead or completely discharged. When burned, toxic fumes
and materials are emitted into the surrounding atmosphere.
1. Batteries vary according to device. Consult your manual
for specic information.
2. Install only new batteries of the same type in your product
(where applicable).
3. Failure to insert batteries in the correct polarity, as
indicated in the battery compartment or manual, may
shorten the life of the batteries or cause batteries to leak.
4. Do not mix old and new batteries.
5. Do not mix Alkaline, Standard (Carbon-Zinc) or
Rechargeable (Nickel Cadmium, Nickel Metal Hydride,
or Lithium-Ion) batteries.
6. Do not dispose of batteries in re.
7. Batteries should be recycled or disposed of as per state
and local guidelines.
Service + Support
If your Sun Joe® MJ401C cordless lawn mower requires
service or maintenance, please call 1-866-SNOWJOE
(1-866-766-9563) for assistance.
When contacting the company or reordering parts, you will
need to provide the model and serial numbers of your product.
These are found on the decal axed to the housing or handle
of your mower. Copy these numbers into the space provided
below.
Record the following numbers from the housing or handle of your
new product:
M J 4 0 1 C
Model #:
Serial #:
iCHRG28-AC
Federal Communications Commission
(FCC)
mWARNING! Any changes or modications to this
unit not expressly approved by the party responsible for
compliance could void the user's authority to operate the
equipment.
Class B device:
NOTE: This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to part 15
of the FCC Rules.
These limits are designed to provide reasonable protection
against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio
communications.
However, there is no guarantee that interference will not occur
in a particular installation.
If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the
equipment o and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit dierent
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician
for help.
13
Troubleshooting
• Remove the safety key before carrying out maintenance on the machine or when checking that its parts are
in proper working order.
• To avoid unnecessary hassles, consult the following table before contacting customer service with any mechanical issues.
Fault Possible Cause Remedy
Mower fails to start
Mower stops while
mowing
The mower cannot
cut grass evenly
The mower cannot mulch
properly
a) The safety key is not inserted
b) The motor/blade control is
disengaged
c) The battery is at
d) The mower deck is clogged with
grass or debris
e) The grass is too tall
a) The battery is at
b) The grass is too tall
c) The mower deck is clogged with
grass or debris
d) The machine is overload and
switched o by the overload
protection system
a) The lawn is rough or uneven
b) The blade is not sharp enough
a) The mower deck is clogged with
grass or debris
b) The grass is too wet
c) The grass is too tall
d) The blade is not sharp enough
a) Insert the safety key
b) Press safety lock button rst, then the
switch lever.
c) Charge the battery
d) Clean the mower deck. Make sure the
blade is free to move
e) Set the mower to a high cutting
height. Lift the front wheels slightly by
pressing down on the handle bar.
a) Charge the battery
b) Reset the cutting height
c) Clean the mower deck. Make sure the
blade is free to move
d) Cool down the machine for 5 mins. Wait
for the overload protection to reset the
machine
a) Adjust cutting height
b) Sharpen or replace the blade
a) Clean the mower deck. Make sure the
blade is free to move
b) Wait until the grass is dry
c) Adjust the cutting height to the high
position to mow for the rst time, and
mow again at the desired height setting
d) Sharpen or replace the blade
The mower is dicult to push
The mower is vibrating at high
speed
Only a company specialist may be able to correct faults that cannot be rectied with the aid of this table. Please call the
Snow Joe
®
+ Sun Joe® customer service center at 1-866-SNOWJOE (1-866-766-9563).
a) The grass is too tall to cut
b) The blade or the mower rear is
dragged by heavy grass
a) The motor shaft is bent
b) The blade is unbalanced
c) The blade screw is loosen
a) Adjust cutting height higher
Stop the motor, remove the safety key, and
a)
inspect the damage. Call the Snow Joe
+ Sun Joe
1-866-SNOWJOE (1-866-766-9563)
b) Balance the blade by grinding each
cutting edge equally or replace a new one
c) Tighten the blade bolt
®
customer service center at
14
®
Optional Accessories
m
WARNING! ALWAYS use only authorized Snow Joe
replacement parts or accessories that are not intended for use with this tool. Contact Snow Joe
whether it is safe to use a particular replacement part or accessory with your tool. The use of any other attachment or accessory
can be dangerous and could cause injury or mechanical damage.
®
+ Sun Joe® replacement parts and accessories. NEVER use
®
+ Sun Joe® if you are unsure
ModelAccessories Item
1
10.6-gallon (40 L) grass collection bag
2
Lawn Mower Side-Discharge
Chute Accessory
MJ401E-10
MJ401E-DCA
3
28V Replacement AC Charger
NOTE: Accessories are subject to change without any obligation on the part of Snow Joe
changes. Accessories can be ordered online at sunjoe.com or via phone by contacting the Snow Joe
service center at 1-866-SNOWJOE (1-866-766-9563).
®
iCHRG28-AC
+ Sun Joe® to provide notice of such
®
+ Sun Joe® customer
15
SNOW JOE® + SUN JOE® CUSTOMER PROMISE
ABOVE ALL ELSE, Snow Joe, LLC (“Snow Joe”) is dedicated to you, our customer. We strive to make your experience as pleasant as
®
possible. Unfortunately, there are times when a Snow Joe
, Sun Joe®, or Aqua Joe® product (“Product”) does not work or breaks under
normal operating conditions. We think it’s important that you know what you can expect from us. That’s why we have a Limited Warranty
(“Warranty”) for our Products.
OUR WARRANTY:
Snow Joe
warrants new, genuine, powered and non-powered Products to be free from defects in material or workmanship when used
for ordinary household use for a period of two years from the date of purchase by the original, end-user purchaser when purchased
from Snow Joe or from one of Snow Joe’s authorized sellers with proof of purchase. Because Snow Joe is unable to control the quality
of its Products sold by unauthorized sellers, unless otherwise prohibited by law, this Warranty does not cover Products purchased from
unauthorized sellers. If your Product does not work or there’s an issue with a specic part that is covered by the terms of this Warranty,
Snow Joe will elect to either (1) send you a free replacement part, (2) replace the Product with a new or comparable product at no
charge, or (3) repair the Product. How cool is that!
This Warranty gives you specific legal rights, and you may also have other rights which vary from State to State.
PRODUCT REGISTRATION:
Snow Joe strongly encourages you to register your Product. You can register online at snowjoe.com/register, or by printing and
mailing in a registration card available online from our website, or calling our Customer Service Department at 1-866-SNOWJOE
(1-866-766-9563), or by e-mailing us at help@snowjoe.com. Failure to register your Product will not diminish your warranty
rights. However, registering your Product will allow Snow Joe to better serve you with any of your customer service needs.
WHO CAN SEEK LIMITED WARRANTY COVERAGE:
This Warranty is extended by Snow Joe to the original purchaser and original owner of the Product.
WHAT IS NOT COVERED?
This Warranty does not apply if the Product has been used commercially or for non-household or rental applications. This Warranty also
does not apply if the Product was purchased from an unauthorized seller. This Warranty also does not cover cosmetic changes that do
not aect performance. Wearing parts like belts, augers, chains and tines are not covered under this Warranty, and can be purchased
at snowjoe.com or by calling 1-866-SNOWJOE (1-866-766-9563).
16EN17
R4_01282020
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