YaRD'MaN:)/(
OPERATOR'S MANUAL
21" Self-Propelled
Mulching Mower
Model No.
247.375590
Fa_ow No.
12A-559K402
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). tf a spark attester is used, it should be maintained in effec_we working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A, FORM NO. 770-10212
(11/98)
SECTION 1: FINDING MODEL NUMBER
This owner's guide is an important part of your new Yard-Man lawn mower. It will help you to assemble, prepare
and maintain your mower. Please read and understand what it says.
Before you start assembling the mower for its first use, please locate its model plate and copy the information on to
this owner's guide. The information on the model plate is very important if you need help from your nearest service
center or the Yard-Man customer support department.
• Every mower has a model plate. You can locate it by standing behind the unit in the operating position and
looking down at the cutting deck. An example of the model plate is shown below.
This is where mower model number will be.
This is where mower serial number will be.
Copy the model number here:
Copy the serial number here:
SECTION 2: CALLING CUSTOMER SUPPORT
• LOCATE YOUR MODEL NUMBER AND SERIAL NUMBER -- Record this information in the space
provided, To find your unit's specific model number and serial number, see SECTION 1: FINDING YOUR
MODEL NUMBER.
• If you are having difficulty assembling this product or if you have any questions regarding the controls,
operation or maintenance of this unit, please call the Customer Support Department.
• Customer Support can be reached by dialing: 1- (330) 220-4MTD
(4683)
or
1- (800)-800-7310
• Please have your model number and serial number ready when you call.
• Although both numbers are important, you willbe asked to enter only your aerial number before your call can
be processed.
SECTION 3: IMPORTANT SAFE OPERATION PRACTICES
WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF
NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY OF
YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE YOUR LAWN MOWER. FAILURE TO COMPLY WITH
THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL,
HEED ITS WARNING.
WARNING: The Engine Exhaust from this product contains chemicals known to
the State of California to cause cancer, birth defects or other reproductive harm.
DANGER: Your lawn mower was built to be operated according to the rules for safe operation 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 lawn mower is capable of amputating hands and feet and throwing
objects. Failure to observe the following safety instructions could result in sedous injury or death.
1. GENERAL OPERATION
• Read this operator's manual carefully in its entirety °
before attempting to assemble this machine. Read,
understand, and follow all instructions on the
machine and in the manual(s) before operation, Be
completely familiar with the controls and the proper •
use of this machine before operating it. Keep this
manual in a safe place for future and regular
reference and for ordering replacement pads.
• Your rotary mower is a precision piece of power
equipment, not a plaything. Therefore, exercise
extreme caution at all times, Your unit has been
designed to perform one job: to mow grass. Do not
use itfor any other purpose.
• Never allow children under 14 years old to operate
a power mower. Children 14 years old and over
should only operate mower under close parental
supervision. Only responsible individuals who are
familiar with these rules of safe operation should be
allowed to use your mower.
• Keep the area of operation clear of all persons,
particularly small children and pets. Stop engine
when they are in the vicinity of your mower to help
prevent blade contact or thrown object injury.
Although the area of operation should be
completely cleared of foreign objects, an object
may have been ovedooked and could be
accidentally thrown by the mower in any direction
and cause serious personal injury to the operator or
any others allowed in the area.
• Wear sturdy, rough-soled work shoes and close-
fitting slacks and shirts. Shirts and pants that cover
the arms and legs and steel-toed shoes are
recommended. Do not wear loose fitting clothes or
jewelry. They can be caught in moving parts, Never
operate a unit in bare feet, sandals, slippery or light
weight (e.g. canvas) shoes.
Always wear safety glasses or safety goggles
duringoperationor whileperformingan adjustment
or repair, to protect eyes from foreign objects that
may be thrown from the machine inany direction.
Thoroughlyinspectthe area where the equipment
is to be used. Remove all stones, sticks, wire,
bones, toys and otherforeign objectswhich could
be picked up and thrown by the mower in any
directionand cause serious personalinjuryto the
operatoror any others allowed in the area. Plan
yourmowingpatternto avoiddischargeof material
toward roads, sidewalks,bystandersand the like.
To help avoid a thrown objects injury, keep
children,bystandersand helpers at least 75 feet
from themowerwhileitis inoperation.
Do not put hands or feet near or under rotating
parts. Keep clear of discharge opening at all times
asthe rotatingbladecancauseinjury.
Many injudes occur as a result of the mower being
pulled over the foot during a fall. Do not hang on to
the mower if you are falling; release the handle
immediately.
Never pull the mower toward you while you are
walking. If you must back the mower away from a
wall or obstruction first look down and behind, and
then follow these steps:
• Step back from the mower to fully extend your
arms.
• Be sure you are well balanced with sure
footing.
• Pull the mower back slowly, no more than half
way toward you.
• Repeat these steps as needed.
• Do not operate the mower while under the
influence of alcohol or drugs.
3
• Do not engage the self-propelled mechanism on
units so equipped while starting engine.
• The blade control handle is a safety device. Never
attempt to bypass its operation. Doing so makes
the safety device inoperative and may result in
personal injury through contact with the rotating
blade. The blade control handle must operate
easily in both directions and automatically return to
the disengaged position when released,
• Never operate the mower in wet grass. Always be
sure of your footing. A slip and fall can cause
serious personal injury. Keep a firm hold on the
handle and walk, never run. tf you feel you are
losing your footing, RELEASE THE BLADE
CONTROL HANDLE IMMEDIATELY and the blade
will stop rotating within three seconds.
• Mow only in daylight or good artificial light.
• Stop the blade when crossinggraveldrives, walks
or roads.
• If the equipment should start to vibrate abnormally,
stop the engine and check immediately for the
cause. Vibration is generally a warning of trouble.
• Shut the engine off 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
engine is shut off. Never place any part of the body
in the blade area until you an_ sure the blade has
stopped rotating.
• Never operate mower without proper guards, grass
catcher, plates or other safety protective devices in
place.
• Muffler and engine become hot and can cause a
bum. Do not touch.
• Only use accessories approved for this machine by
the manufacturer. Read, understand, and follow all
instructions provided with the approved accessory.
• If situations occur which are not covered in this
manual,usecare andgoodjudgment. Contactyour
dealerfor assistance.
2. SLOPE OPERATION
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, If the slope is greater than !5
degrees as shown on the slope gauge, do not operate this
unit on that area or serious injury could result.
DO:
• Mow across the face of slopes; never up and down.
Exercise extreme caution when changing direction
on slopes.
• Always be sure of your footing. A slip end fall can
cause serious personal injury. If you feel you are
losing your balance release the blade control
handle immediately and the blade will stop in less
than 3 seconds.
• Watch for holes, ruts, hidden objects, or bumps.
Tall grass can hide obstacles.
DO NOT:
• DO not mow near drep-offs, ditches or
embankments. The operator could lose footing or
balance.
• Do not mow slopes greater than 15 degrees as
shown on the slope gauge.
• Do not mow on wet grass. Reduced footingcould
causeslipping.
3. CHILDREN
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the
mower and the mowing activity. Never assume that
children will remain where you last saw them,
• Keep childrenout of the mowingarea and under
the watchfulcare ofa responsibleadultotherthan
theoperator.
• Be alert and turn mower off if a child enters the
area.
• Before and while moving backwards, look behind
and down for small children or other objects.
• Never allow childrenunder age 14 to operate the
mower. Children 14 years of age and above
should read and understand the operation
instructionsandsafetyrulesinthismanual.
• Use extreme care when approaching blind corners,
shrubs, trees, or other objects that may obscure
your vision of a child or hazard.
4. SERVICE
• Use extreme care in handling gasoline and other
fuels. They are extremely flammable and the
vapors are explosive.
• Use onlyan approvedgasolinecontainer.
• Never removegascapor add fuel whilethe engine
is running. Allow engine to cool at least two
minutes before refueling.
• Replace gasoline cap securely and wipe off any
spilled gasoline before starting the engine as it may
cause a fire or explosion.
• Extinguish all cigarettes, cigars, pipes and other
sources of ignition.
• Never refuel machine indoors because flammable
vapors will accumulate in the area.
• Never store the machine or fuel container inside
where there is an open flame or spark such as a
gas water heater, space heater, or furnace.
• Never run an engine inside a closed area.
• To reduce fire hazard, keep mower free of grass,
leaves, or other debds build-up, Clean up oil or fuel
spillage. Allow mower to cool at least 5 minutes
before storing.
• Before cleaning, repairing, or inspecting, make
certain the blade and all moving parts have
stopped. Disconnect the spark plug wire, and keep
the wire away from the spark plug to prevent
accidental starling.
• Check the blade and engine mounting bolts at
frequent intervals for proper tightness. Also,
visually inspect blade for damage (e.g., bent,
cracked or worn). Replace with blade which meets
original equipment specifications listed in this
manual.
• Keep all nuts, bolts, and screws tight to be sure the
equipment is in safe working condition.
• Never tamper with safety devices. Check their
properoperationregularly.
• After strikinga foreign object, stop the engine,
remove the wire from the spark plug, and
read,understandand foUowthe warningsand instructions inthismanual and onthe machine.
WARNING - YOUR RESPONSIBILITY: Restrictthe use of this power machineto personswho
thoroughly inspect the mower for any damage.
Repair the damage before starting and operating
the mower.
Never attempt to make a wheel or cuttingheight
adjustmentwhilethe engineis running.
Grass catcher components are subject to wear,
damage and deterioration, which could expose
moving parts or allow objects to be thrown. For
safety protection, frequently check components and
replace with manufacturer's recommended parts,
when necessary.
Mower blades are sharp and can cut. Wrap the
blade(s) or wear gloves, and use extra caution
when servicing them.
Do not change the engine governor setting or
overspeed the engine. Excessive engine speeds
are dangerous.
DANGER
.,|
I
o
I
15o
L
WARNING
Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower
could overturn and cause serious injury. If operating a walk-behind mower on such a slope, it is extremely difficult to maintain
your footing and you could slip, resulting in serious injury.
Operate RIDING mowers up and down slopes, never across the face of slopes.
SECTION 5: UNPACKING
Removing Unit From Carton
• Remove staples, break glue on top flaps, or cuttape at carton end and peel along top flap to open
carton.
• Remove loose parts if included with unit (i.e., owner's manual, etc.).
• Cut along dotted lines and lay carton down flat. Remove packing material.
• Roll or slide unit out of carton. Check carton thoroughly for loose parts.
NOTE: Make sure not to crimp the cables while removing the loose parts or the entire unit from the carton.
NOTE: Reference to rightor left hand side of the mower and/or front orbehind the mower is observed from
the operating position.
SECTION 6: SETTING UP MOWER
Tools Required
• Pair of Pliers
• Funnel
• Set of adjustable wrenches
Disconnecting Spark Plug
• Before setting up your lawn mower, disconnect the spark plug wire from the spark plug, and ground
it against the engine. See Figure 1.
• Attach the spark plug wire to a bolt on the engine to ground it.
Spark Plug _[ I /
Wire
2_
sperkP,o0
II!1/1 1111!//
FIGURE 1
Assembling Handle
• Remove grass bag from the unit and set it out of the way. See Figure 2 (step 1),
2. Lift lower handle
1. Move bag away
3. Lift upper
handle
FIGURE 2
?
• Raise the lower handle in the direction shown in Figure 2 (step 2) till it snaps into place.
• Raise the upper handle in the direction shown in Figure 2 (step 3). Tighten the wing nuts which are
already on the handle. See Figure 3A.
Note: Make sure to route the cables inside the lower handle. Also do not crimp the cables while lifting the
handle up.
• For shipping purposes, the hairpin clip is placed in the outer hole of the weld pin on the lower
handle. Remove the hairpin clip from the outer hole of the weld pin.
• Using a pair of pliers, insert the hairpin clip into the inner hole in the weld pin. Repeat on other side.
See Figure 3B,
• Attach the cables to the lower handle with the two cable ties already on the lower handle. Pull tight
the cable ties and cut off the extra. See Figure 3C below.
Ipper Handle
Lower Handle
A
Tighten
wing nut
Move hairpin clip to
this hole
Lower
Handle
B
FIGURE 3
Cable Tie
C
Attaching Starter Rope
The rope guide is already attached tothe right side of the upper handle of your mower. See Figure 4.
• With the spark plug wire disconnected and grounded, hold the blade control handle against the
upper handle, and pull the starter rope out of the engine.
• Slip the rope through the rope guide as shown below. Tighten the wing nut holdingthe rope guide
to the upper handle.
Recoil Wing Nut
Starte_
UpperHandle
Rope_'uide
Lower Handle
FIGURE 4