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requirements, the actual engine horsepower on this class
of lawn mower will be significantly lower.

Do not tamper with the engine controls or alter the
governor speed; doing so may create an unsafe condition
resulting in personal injury.

Safety

This lawn mower meets or exceeds the CPSC blade
safety requirements for walk-behind rotary lawn mowers
and the B71.1 specifications of the American National
Standards Institute in effect at the time of production.

Read and understand the contents of this manual
before you start the engine.

The safety alert symbol (Figure 2) is used to alert you
to potential personal injury hazards. Obey all safety
messages that follow this symbol to avoid possible injury
or death. Improperly using or maintaining this mower
could result in injury or death. To reduce this potential,
comply with the following safety instructions.

The following instructions have been adapted from the
ANSI/OPEI standard B71.1-2003.

This cutting machine is capable of amputating
hands and feet and of throwing objects. Failure
to observe the following safety instructions could
result in serious injury or death.

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.
Keep clear of the discharge opening at all times.

Only allow responsible adults, who are familiar with
the instructions, to operate this machine.

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 is running.

Be sure the area is clear of bystanders before
operating. Stop machine if anyone enters the area.

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.

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.

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.

Stop the engine and wait until the blade comes
to a complete stop before cleaning the machine,
removing grass catcher, or unclogging the discharge
guard.

Operate machine only in daylight or good artificial
light.

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.

Disengage the drive system, if so equipped, before
starting the engine.

If the machine should start to vibrate abnormally,
stop the engine and check for the cause immediately.
Vibration is generally a warning of trouble.

Always wear eye protection when operating machine.

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
require extra caution. If you feel uneasy on a slope, do
not mow it.

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

Watch for holes, ruts, bumps, rocks, or other hidden
objects. Uneven terrain could cause a slip and fall
accident. Tall grass can hide obstacles.

Do not mow on wet grass or excessively steep slopes.
Poor footing could cause a slip and fall accident.

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.

Keep children out of the mowing area and under
the watchful care of a responsible adult other than
the operator.

2

Summary of Contents for 10666C

Page 1: ...he recommended precautions Figure 2 1 Safety alert symbol This manual uses two words to highlight information Important calls attention to special mechanical information and Note emphasizes general information worthy of special attention Warning CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects o...

Page 2: ...ed 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 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 Stop the engine and wait until the blade come...

Page 3: ...ontact with the rim of the fuel tank or container opening at all times until fueling is complete Do not use a nozzle lock open device If fuel is spilled on clothing change clothing immediately Never overfill fuel tank Replace gas cap and tighten securely Exhaust contains carbon monoxide an odorless deadly poison that can kill you Do not run the engine indoors or in an enclosed area General Service...

Page 4: ...l danger Replace damaged decals Manufacturer s Mark 1 Indicates the blade is identified as a part from the original machine manufacturer 94 8072 104 7402 104 7403 104 7953 1 Warning read the Operator s Manual for information on charging the battery contains lead do not discard 2 Read the Operator s Manual 4 ...

Page 5: ...g dismemberment hazard of hand or foot mower blade remove the wire from the spark plug and read the instructions before servicing or performing maintenance 114 2820 1 Warning read the Operator s Manual 4 Cutting dismemberment hazard of hand or foot mower blade stay away from moving parts 2 Thrown object hazard keep bystanders a safe distance from the machine 5 Cutting dismemberment hazard of hand ...

Page 6: ...ull line on the dipstick Figure 5 Do not overfill Max fill 20 oz type SAE 30 detergent oil with an API service classification of SF SG SH SJ SL or higher Note If you overfill the engine pour some oil out of it as directed in Changing the Engine Oil 3 Install the dipstick securely Important Change the engine oil after the first 5 operating hours change it yearly thereafter Refer to Changing the Eng...

Page 7: ...22 C whenever possible 1 Connect the charger to the mower wire harness located below the ignition key Figure 8 Figure 8 Important Use only the charger supplied with the mower 2 Plug the charger into a wall outlet When the battery no longer holds a charge recycle or dispose of the lead acid battery according to local codes 5 Install the Mulch Plug or Grass Bag Procedure You must correctly install t...

Page 8: ...nsert the mulch plug into the opening Figure 11 Figure 11 3 Release the button on the lever and ensure that the top of the lever is lies fully in the switch channel Figure 12 If the top of the lever is not in the switch channel your mower will not start Figure 12 Note If the lever does not latch properly disconnect the wire from the spark plug and check for and remove any debris buildup in the tun...

Page 9: ...rs To prevent a static charge from igniting the gasoline place the container and or mower directly on the ground before filling not in a vehicle or on an object Fill the tank outdoors when the engine is cold Wipe up spills Do not handle gasoline when smoking or around an open flame or sparks Store gasoline in an approved fuel container out of the reach of children Fill the fuel tank with fresh unl...

Page 10: ...nto contact with the moving blade causing serious injury Stop the engine and wait for all moving parts to stop Do not put your fingers under the housing when adjusting the cutting height If the engine has been running the muffler will be hot and can severely burn you Keep away from the hot muffler Adjust the cutting height as desired Set all four wheels to the same height Note To raise the mower m...

Page 11: ...tall the mulch plug or the grass bag securely on the mower 1 Install the mulch plug Figure 21 or the grass bag Figure 22 on the mower Figure 21 Figure 22 2 Hold the blade control bar against the handle and immediately start the engine using either the ignition key or the recoil starter Figure 23 Figure 23 1 Blade control bar Note If the mower still does not start contact an Authorized Service Deal...

Page 12: ... within 3 seconds If they do not stop properly stop using your mower immediately and contact an Authorized Service Dealer Figure 26 Mulching the Clippings Your mower comes from the factory ready to mulch the grass and leaf clippings back into the lawn If the grass bag is on the mower remove it refer to Removing the Grass Bag before mulching the clippings If the side discharge chute is on the mower...

Page 13: ...g 1 Remove the mulch plug Figure 28 Figure 28 2 Route the starter rope around the lower rope guide Figure 29 Figure 29 Note The lower rope guide releases the starter rope when you pull the recoil start handle 3 Insert the grass bag handle into the grooves at the top of the mower Figure 30 Important The mower has a safety switch that prevents you from starting the mower unless you first install the...

Page 14: ...ts you from starting the mower unless you first install the mulch plug securely on the mower refer to Mulching the Clippings Installing the Side Discharge Chute 1 Unlock the side discharge door Figure 34 Figure 34 2 Lift open the side discharge door Figure 35 Figure 35 3 Install the side discharge chute and close the door onto the chute Figure 36 Figure 36 Removing the Side Discharge Chute To remo...

Page 15: ...only dry grass or leaves Wet grass and leaves tend to clump on the yard and can cause the mower to plug or the engine to stall Wet grass or leaves can cause serious injury if you slip and contact the blade Mow only in dry conditions Alternate the mowing direction This helps disperse the clippings over the lawn for even fertilization If the finished lawn appearance is unsatisfactory try one or more...

Page 16: ...Operator s Manual for any additional yearly maintenance procedures Yearly or before storage Charge the battery monthly or as needed and before storage Important Refer to your Engine Operator s Manual for additional maintenance procedures Preparing for Maintenance 1 Stop the engine and wait for all moving parts to stop 2 Disconnect the spark plug wire from the spark plug Figure 38 before performing...

Page 17: ...un the engine a few minutes before changing the oil to warm it Warm oil flows better and carries more contaminants 1 Perform the pre maintenance procedures refer to Preparing for Maintenance 2 Remove the dipstick Figure 41 Figure 41 3 Tip the mower onto its side with the air filter up to drain the used oil out through the oil fill tube Figure 42 Figure 42 4 Slowly pour oil into the oil fill tube u...

Page 18: ... Gears Service Interval Yearly 1 Remove the wheel bolt in the center of each rear wheel and remove the rear wheels 2 Apply a lubricating oil to the inner and outer sides of the gear as shown in Figure 44 Figure 44 3 Install the rear wheels Lubricating the Upper Handle Service Interval Yearly Lubricate the left and right sides of the upper handle with a low viscosity silicone spray lubricant yearly...

Page 19: ... far the upper end of the cable jacket moves Figure 49 Figure 49 1 Cable mount 2 Cable jacket Note Moving the cable jacket upward decreases the ground speed moving the jacket downward increases the ground speed 5 Tighten the nut firmly 6 Start the mower and check the adjustment Note If the self propel drive is not properly adjusted repeat this procedure Replacing the Blade Service Interval Yearly ...

Page 20: ...y difficult to overtighten Cleaning the Mower Service Interval Before each use or daily The mower may dislodge material from under the mower housing Wear eye protection Stay in the operating position behind the handle Do not allow bystanders in the area 1 With the engine running on a flat paved surface spray a stream of water in front of the right rear wheel Figure 51 Note The water will splash in...

Page 21: ...battery charger and store the mower in an unheated area If you must store the mower in a heated area you must charge the battery every 90 days Folding the Handle Upright Position 1 Step on the foot pedal and hold it down Figure 52 Figure 52 2 Move the handle to the upright position Figure 53 Figure 53 Forward Position 1 With the handle in the upright position step on the foot pedal and hold it dow...

Page 22: ...Notes 22 ...

Page 23: ...Notes 23 ...

Page 24: ...aining Warranty Service If you think that your Lawn Boy product contains a defect in materials or workmanship follow this procedure 1 Contact any Authorized Lawn Boy Service Dealer to arrange service at their dealership To locate a dealer convenient to you refer to the Yellow Pages of your telephone directory look under Lawn Mowers or access our website at www Lawn Boy com U S Customers may also c...

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