Worldlawn WY4215KE, WY4818KE, WY4215KW, WY4215KWE, WY4817KW Operator's Manual
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WY42/48
Commercial Mower
Operator’s Manual
Worldlawn Power Equipment, Inc.
422 Turnbull Canyon Road, City of Industry, CA 91744
Toll Free Number:1-866-9-Mowers(1-866-966-9377)
OPERATOR’S MANUAL
This manual contains assembly, operating, maintenance, adjustment and safety instructions for your
WY42/WY48 lawn mower.
Before operating your mower, carefully read this manual in its entirety.
By following the operating, maintenance, adjustment and safety instructions, you will prolong the life of your
mower, maintain its maximum efficiency and promote safe operation .
Keep this mower Owner’s Manual when lent or transferred.
Should this mower Operator’s Manual become lost, damaged or illegible ,replace immediately, replacements
may be ordered through our sales department.If additional information is needed, contact our sales
department or a dealer.Always give the model number and serial number.
To improve the quality,maneuverability and security of our products,We may make changes of our products.
Sorry for the inconvenience if you find the products in hand a bit different from the manual.
POTENTIAL HAZARD
· This product is a piece of power equipment
WHAT CAN HAPPEN
· Failure to follow safe operating practices can result in serious operator injury or even death
HOW TO AVIOD THE HAZARD
· Keep all shields ,guards and safety devices (especially the grass discharge system)in place and in
proper working condition.
· Stop machine and wait for all moving parts to stop ,remove spark plug wires or remove key
before adjusting ,servicing,or performing maintenance.,
· If mower deck becomes clogged, stop machine and wait for all moving parts to stop.Remove
spark plug wire or remove key before cleaning blockage .
· Keep hands ,feet ,and clothing away from power driven parts ,
· Keep others off mower.
POTENTIAL HAZARD
· Gasoline is harmful or fatal if swallowed.Long-term exposure to vapors have been known to
caused cancer in laboratory animals .
WHAT CAN HAPPEN
· Failure to use caution may cause serious injury or illness,
HOW TO AVIOD THE HAZARD
· Avoid prolonged breathing of vapors .
· Keep face away from nozzle and gas tank opening
· Keep away from eyes and skin.
· Never siphon by mouth .
CONTENTS
TABLE OF CONTENTS
1. SAFETY……………………………………………………………………………………
1
1.1 Safety Alert Symbol………………………………………………………………… 1
1.2 Training……………………………………………………………………………. 1
1.3 Preparation…………………………………………………………………………. 1
1.4 Operation…………………………………………………………………………... 2
1.5 Maintenance & Storage……………………………………………………………... 4
1.6 Safety Signs………………………………………………………………………... 4
2. SPECIFICATIONS…………………………………………………………………………..
7
2.1 Model Number…………………………………………………………………… 7
2.2 Engine……………………………………………………………………………. 7
2.3 Frame Assembly………………………………………………………………… 7
2.4 Drive System…………………………………………………………………….. 7
2.5 Cutter Deck……………………………………………………………………… 7
2.6 Operator Controls……………………………………………………………….. 7
2.7 Accessories………………………………………………………………………. 8
2.8 Approximate Dimensions………………………………………………………... 8
2.9 Torque Requirements…………………………………………………………….. 8
3. Assembly Instructions…………………………………………………………………….
9
3.1 Open Crate……………………………………………………………………….. 9
3.2 Initial Instructions ……………………………………………………………….. 9
3.3 Service Engine…………………………………………………………………… 9
4. OPERATION INSTRUCTIONS……………………………………………………………………….
9
4.1 Pre-start……………………………………………………………………………. 9
4.2 Starting Engine……………………………………………………………………... 10
4.3 Mowing……………………………………………………………………………. 10
4.4 Moving Operation………………………………………………………………... 10
4.5 Stopping Engine………………………………………………………………….. 10
5. MAINTENANCE & ADJUSTMENTS………………………………………………………………...
10
5.1
Periodic Maintenance……………………………………………………………….. 11
5.1.1 Check the engine Oil Lever………………………………………………………….. 11
5.1.2 Clean Engine Air Cooling System……………………………………………………. 11
5.1.3 Clean Grass Build-up Under Deck…………………………………………………… 11
5.1.4 Check Mower Blades……………………………………………………………….. 11
5.1.5 Check Safety Interlock system…………………………………………………….. 12
5.1.6 Check For Loose HardWare………………………………………………………… 12
5.1.7 Service Air Cleaner…………………………………………………………………. 12
5.1.8
Change Engine Oil………………………………………………………………….. 13
5.1.9
Check Tire Pressure………………………………………………………………… 13
5.1.10 Check Condition of Belts………………………………………………………….. 13
5.1.11Lubricate Grease Fitting………………………………………………………… 13
5.2 Adjustments………………………………………………………………………... 13
6. TROUBLE SHOOTING…………………………………………………………………….
15
7. ELECTRICAL DIAGRAM…………………………………………………………………………….
17
8. WARRANTY………………………………………………………………………………………….. 18
1
1. SAFETY
SAFETY ALERT SYMBOL
This SAFETY ALERT SYMBOL is
used both in this manual and on the machine to
identify important safety messages which must
be followed to avoid accidents. This symbol
means:
ATTENTION! BECOME ALERT!
YOUR SAFETY IS INVOLVED!
The safety alert symbol appears above
information which alerts you to unsafe actions or
situations and will be followed by the word
DANGER , WARNING , or CAUTION.
: White lettering/Red background.
indicates an imminently hazardous situation
which, if not avoided, WILL result in death or
serious injury.
: Black lettering/Orange background.
Indicates a potentially hazardous situation which,
if not avoided, COULD result in death or
serious injury.
: Black lettering/Yellow background.
Indicates a potentially hazardous situation which,
if not avoided, MAY result in minor or moderate
injury.
1.2 TRAINING
1.2.1 Regard the Mower as a piece of power
equipment and teach this regard to all who operate
this unit.
1.2.2 Read the instructions carefully. Familiarize
yourself with the controls and the proper use of the
equipment.
1.2.3 Do not allow operation of this machine by
untrained personnel. Never allow children,teenagers,
or anyone unfamiliar with these instructions to use
the mower.
1.2.4 Avoid mowing while people, especially
children, or pets, are nearby. Keep in mind that the
operator or user is responsible for accidents or
hazards occurring to other people or their property.
1.3 PREPARATION
1.3.1 Evaluate the terrain to determine what
accessories and attachments are needed to properly
and safely perform the job. Only use accessories and
attachments approved by
Worldlawn Power Equipment, Inc.
1.3.2 The use of personal protective equipments,
such as (but not limited to ) protection for the eyes,
ears, feet, and head is recommended.
POTENTIAL HAZARD
· This machine produces sound levels in excess of
85 dBA at the operator’s ear when in operation.
WHAT CAN HAPPEN
· Exposure to sound levels of 85dBA or above for
extended periods of time can cause hearing loss.
HOW TO AVOID THE HAZARD
· Wear hearing protection when operating this
machine.
1.3.3 While mowing, always wear substantial
footwear and long trousers. Do not operate
equipment when barefoot or when wearing open
sandals.
1.3.4 Thoroughly inspect the area where the
equipment is to be used and remove all stones, sticks,
wires, bones, and other foreign objects which may
damage the equipment or cause personal injury to
operator or bystanders.
POTENTIAL HAZARD
· Engine exhaust contains carbon monoxide, which
is an odorless deadly poison.
WHAT CAN HAPPEN
· Carbon monoxide can kill you.
HOW TO AVOID THE HAZARD
· Do not run engine indoors or in a small confined
2
area where dangerous carbon monoxide fumes can
collect.
POTENTIAL HAZARD
· In certain conditions gasoline is extremely
flammable and highly explosive.
WHAT CAN HAPPEN
· A fire or explosion from gasoline can burn you,
others, and cause property damage.
HOW TO AVOID THE HAZARD
· Do not smoke while refueling, and stay away from
an open flame or where gasoline fumes may be
ignited by spark.
· Refuel only outdoors.
· Store gasoline in an approved container and keep
it out of the reach of children.
· Add fuel before starting the engine. Never remove
the cap of the fuel tank or add fuel when engine is
running or when the engine is hot.
· Never fill the fuel tank so that gasoline level rises
above a level that is 10(mm)below the bottom of
the filler neck to allow for gasoline expansion and
prevent fuel spillage.
· If fuel is spilled, DO NOT attempt to start the
engine. Move away from the area of the spill and
avoid creating any source of ignition fuel until
vapors have dissipated.
· Do not operate without entire exhaust system in
place and in proper working condition.
POTENTIAL HAZARD
· In certain conditions gasoline is extremely
flammable and highly explosive.
WHAT CAN HAPPEN
· A static charge can ignite gasoline vapors. A fire
or explosion from gasoline can burn you, others,
and cause property damage.
HOW TO AVOID THE HAZARD
· Purchase and store gasoline only in an approved
container.
· Always place gasoline containers on the ground
away from your vehicle while filling.
· Do not fill gasoline containers inside a vehicle or
on a truck or trailer bed because interior carpets or
plastic truck bed liners may insulate the container
and slow the loss of any static charge.
· When practical, remove gas-powered equipment
from the truck or trailer and refuel the equipment
with its wheels on the ground.
· If this is not possible, then refuel such equipment
on a truck or trailer from a portable container,
rather than from a gasoline dispenser nozzle.
· If a gasoline dispenser nozzle must be used, keep
the nozzle in contact with rim of the fuel tank or
container opening at all times until fueling is
complete.
POTENTIAL HAZARD
· Gasoline vapor can collect inside enclosed trailers
and may be ignited by electrical sparks or hot
engine/exhaust components.
WHAT CAN HAPPEN
· Explosion and fire may occur, resulting in
property damage, personal injury, and/or death.
HOW TO AVOID THE HAZARD
· Provide adequate ventilation of any enclosed
trailer to prevent build up of gasoline vapors,
especially at floor level.
· Refuel only outdoors, never inside an enclosed
trailer.
· Be sure all fuel tanks and gasoline storage
containers have proper caps installed to prevent
spillage and minimize vapor escaping into the
trailer.
· Do not place any equipment that is leaking
gasoline in an enclosed trailer.
1.4 OPERATION
3
Although hazard control and accident prevention
partially are dependent upon the design and
configuration of the equipment, these factors are also
dependent upon the awareness, concern, prudence,
and proper training of the personnel involved in the
operation, transport, maintenance and the storage of
the equipment.It is essential that all Operator Safety
Mechanisms be connected and in operating condition
prior to use for mowing.
POTENTAL HAZARD
· Operating engine parts, especially the muffler,
becomes extremely hot.
WHAT CAN HAPPEN
· Severs burns can occur on contact.
· Debris, such as leaves, grass, bush, etc. can catch
fire.
HOW TO AVOID THE HAZARD
· Allow engine parts, especially the muffler, to cool
before touching.
· Remove accumulated debris from muffler and engine
area.
· Install and maintain in working order a spark arrester
before using equipment on forest-covered,
grass-covered, or brush-covered unimproved land.
POTENTIALHAZARD
· Hands, feet, hair, clothing, or accessories can become
entangled in rotating parts.
WHAT CAN HAPPEN
· Contact with rotating parts can cause traumatic
amputation or severe lacerations.
HOW TO AVOID THE HAZARD
· Do not operate the machine without guards, shields,
and safety devices in place and working properly.
· Keep hands, feet, hair, jewelry, or clothing away
from rotating parts.
1.4.1 Give complete, undivided attention to the job at
hand.
1.4.2 Mow only in daylight or good artificial light,
keeping away from holes and hidden hazards.
NEVER carry passengers.DO not operate the mower
when children or others are in the area!
1.4.3 When feasible, avoid operating the equipment in
wet grass.
1.4.4 Use mower caution mowing and/or turning on
slopes as loss of traction and/or tip-over could occur.
The operator is responsible for safe operation on
slopes.
POTENTIAL HAZARD
· Mowing on wet grass or steep slopes can cause
sliding and loss of control.
WHAT CAN HAPPEN
· Wheels dropping over edges, ditches, steep banks,
or water can cause rollovers, which may result in
serious injury, death or drowning.
HOW TO AVOID THE HAZARD
· Do not mow on slopes when grass is wet.
· Do not mow near drop-offs or near water.
· Do not mow on slopes greater than 15 degrees.
· Reduce speed and use extreme caution on slopes.
· Avoid sudden turns or rapid speed changes.
See inside the back cover to determine the
approximate slope angle of the area to be mowed.
Do not use a walk behind mower and/or a hand
trimmer near drop-offs, ditches, steep banks or
water. This area can be dangerous, see Figure1.
Progressively greater care is needed as the slope
increases.
Always avoid sudden starting or stopping on a
slope. If tires lose traction, disengage the blades
and proceed slowly off the slope.
Avoid sudden starts when mowing uphill. Mower
may tip backwards.
Be aware that loss of traction may occur going
downhill. Weight transfer to the front wheels may
cause drive wheels to slip and cause loss of
braking and steering.
Watch for ditches. holes, rocks, dips, and rises
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