Cordless Reel Mower
Cordless Reel Mower
Model No. MJ420C
A Division of Snow Joe, LLC
IMPORTANT!
Safety Instructions
m WARNING: READ ALL
INSTRUCTIONS BEFORE USE.
Read all instructions when using cordless lawn mowers. Basic
safety precautions should always be followed to reduce the
risk of re, electric shock, and personal injury.
For All Lawn Mowers
1. Avoid dangerous environment. Do not use the mower
in damp or wet locations.
2. Don’t use in rain.
3. Keep children away. All bystanders (visitors) should be
kept at a safe distance from work area.
4. Dress properly. Do not wear loose clothing or jewelry.
They can be caught in moving parts. Use of rubber
gloves and substantial footwear is recommended when
working outdoors. Wear protective hair covering to
contain long hair.
5. Use safety glasses. Always use face or dust mask if
operation is dusty.
6. Use right mower. Do not use mower for any job
except that for which it is intended.
7. Don’t force 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 mower when you are tired.
10. Store idle mowers indoors. When not in use, mowers
should be stored indoors in dry, and high or locked-up
place out of reach of children.
11. Maintain mower with care. Keep cutting edge
sharp and clean for best and safest performance and
to reduce the risk of injury. Follow instructions for
lubricating and changing accessories. Keep handles
dry, clean, and free from oil and grease.
12. Check damaged parts. Before further use of the
mower, a guard or other part that is damaged should
be carefully checked to determine that it will operate
properly and perform its intended function. Check for
alignment of moving parts, binding of moving parts,
breakage of parts, mounting, and any other condition
that may affect its operation. A guard or other part that
is damaged should be properly repaired or replaced
© 2010 by Snow Joe, LLC
All rights reserved. Original instructions.
Form No. SJ-MJ420C-880E
OPERATOR’S MANUAL
by an authorized service center unless indicated
elsewhere in this manual.
13. Keep guards in place and in working condition.
14. Keep blades sharp.
15. Keep hands and feet away from cutting area.
16. Objects struck by the lawn mower blade can cause
severe injuries to people. The lawn should always be
carefully examined and cleared of all objects prior to
each mowing.
17. If lawn mower strikes a foreign object, follow these
steps:
i) Stop lawn mower. Remove the safety key.
ii) Inspect for damage.
iii) Repair any damage before restarting and operating
the lawn mower.
18. Use identical replacement blades only.
Safety Instructions For
Battery-Operated Lawn Mowers
1. Do not charge lawn mower in rain, or in wet location.
2. Do not use battery-operated lawn mower in rain.
3. Remove or disconnect safety key before servicing,
cleaning, or removing material from the lawn mower
4. Use only the following type and size battery: type
MJ420CBAT, 12V, 7Ah lead acid battery.
5. Do not dispose of the battery in a re. The cell may
explode. Check with local codes for possible special
disposal instructions.
6. Do not dispose of the battery. Released electrolyte is
corrosive and may cause damaged to the eyes or skin.
It may be toxic if swallowed.
7. 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.
m CAUTION
The electrolyte is dilute sulfuric acid that is harmful to the skin
and eyes. It is electrically conductive and corrosive.
The following procedures should be observed:
a) Wear full eye protection and protective clothing.
b) If electrolyte contacts the skin, wash it off
immediately with water.
c) If electrolyte contacts the eyes, ush thoroughly
and immediately with water. Seek medical
attention.
SAVE THESE INSTRUCTIONS
1
Safety Instructions for
Walk-Behind Mowers
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.
Always stay clear of the discharge opening.
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 engine (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.
7. Do not pull machine backward unless absolutely
necessary. Always look down and behind before and
while moving backward.
8. Never directly 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.
10. Never leave a running machine unattended.
11. Stop the engine (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 articial light.
13. Do not operate machine while under the inuence of
alcohol or drugs.
14. 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 engine (motor).
16. If the machine should start to vibrate abnormally,
stop the engine (motor) and check for the cause
immediately. Vibration is generally a warning of trouble.
17. Always wear eye protection when operating machine.
18. See manufacturer’s instructions for proper operation
and installation of accessories. Only use accessories
approved by the manufacturer.
SLOPE OPERATION
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
slope.
2. Watch for holes, ruts, bumps, rocks, or other hidden
objects. These may cause an unexpected slip or fall.
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.
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.
1. Keep children out of the mowing area and under the
watchful care of a responsible adult other than the
operator.
2. Be alert and turn mower off if a child enters the area.
3. 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.
SERVICE
GENERAL SERVICE
1. Keep all nuts and bolts tight.
2. Never tamper with safety devices. Regularly check to
ensure they are in place and working properly.
3. Keep the mower free from grass, leaves, or other debris
buildup.
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 engine
(motor) running.
6. Check the grass catcher components and the
discharge guard frequently and replace with
manufacturer’s recommended parts, when necessary.
7. Mower blades are sharp. Wrap the blade or wear
gloves, and use extra caution when servicing them.
8. Maintain or replace safety and instruction decals, as
necessary.
2
Know Your Lawn Mower
1. Main Unit
2. Battery Pack
3. Lower Frame
4. Middle Frame x2
5. Upper Frame
6. Short Bolts with Nuts x2
7. Long Bolts with Nuts x4
8. Cable Clips x3
9. Charging Adaptor
10. Keys x2
11. Grass Collector
12. Hex Wrench
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6
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8
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Technical Data
Unit operating cycle with full battery 25 to 90 minutes*
No load speed 1200 rpm (± 10%)
Cutting width 16 inches / 40 cm
Cutting height 0.75, 1.02, 1.46, 1.69 inches
Battery operating voltage 24V DC
Charging period for fully discharged battery 16 hours
Motor output power 54 W
Battery charger output 28.6V 800mA
Sound Power Level, LWA 94 dB(A)
Sound Pressure Level, LPA 70 dB(A)
Vibration 1.0 m/s
Weight 18.3 Kg (including battery)
* Dependant on grass length and thickness
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Fig. 1
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