Save This Manual
for
Future Reference
YARDMAX~
Walk-Behind
String Trimmer
Mower
Operator's Manual
MODEL NUMBER
YL2250
SERIAL
NUMBER
PURCHASE
DATE
Both model number and serial
number may
be
found on the
main labei.(SeePqe2,Fipre
1)
You
should record both
of
them
in a safe place
for
future
use.
A
WARNING
READ
AND
UNDERSTAND
THE
ENTIRE
MANUAL
BEFORE
OPERATING
THE
MACHINE.
FAILURE
TO
COMPLY
WITH
THE
SAFETY
INSTRUCTIONS
IN
THE
MANUAL
MAY
RESULT
IN
PERSONAL
INJURY.
Tame
the
Great Outdoors·
Your
new
YARD MAX®
string
trimmer
mower
offers
quality construction
and
is
easy
and
safe
to
operate.
With
proper
use
and
care,
it
is
designed
to
give you many years
of
dependable service.
Take
on any
job
with
ease,
portability, and convenience
while
experiencing
the
durability
of
your
new
lawn
mower!
Discover
the
YARD
MAX
Advantage
At
YARDMAX,
we
understand
that
land
ownership
has its privileges,
but
it
also comes
with
a
great
deal
of
responsibility.
When
duty
calls and
you
need
to
respond,
will
you
have
what
it
takes
to
tame
the
great outdoors?
When looking
for
outdoor power equipment
(OPE)
to
get
the job done right, at the right price, YARD MAX delivers
the perfect combination
of
performance
and
practicality.
YARD MAX
has
a solution that's right
for
you.
MAX
Performance,
MAX
Value,
MAX
Support -
that's
YARD
MAX
J
Backed
by decades
of
proven manufacturing expertise
J Enhanced design features come standard
J Engineered
for
the best user experience
J Quality metal parts are
used
instead
of
plastic
J A robust warranty supports
all
products
J Budget-friendly prices
make
it
practical
YARDMAX~
Up
for
the
job?
YARD
MAX
is.
TABLE
OF
CONTENTS
Introduction 1
Operation
15
Specifications
4 Maintenance 18
Symbols
5
Storage
22
Safety
6
Troubleshooting
23
Contents
Supplied
10
Parts
Diagram
24
Assembly
11
Parts
List
25
Know
Your
Machine
13
1 I
Introduction
A
WARNING
Carefully
read
through
this
entire operator's manual
before
using
your
new
unit.
Pay
attention
to
all
cautions
and
warnings.
Your new walk-behind string trimmer mower will more
than satisfy your expectations. It
has
been
manufactured
under
stringent
quality
standards
to
meet
superior
performance criteria.
You
will find
it
easy
and
safe
to
operate,
and
with proper
care,
it
will give
you
many
years
of
dependable service.
ENGINE
MANUAL
The Engine Manufacturer
is
responsible
for
all
engine-
related issues
with
regards
to
performance,
power
rating, specifications, warranty,
and
service. For more
information, please refer
to
the Engine Manufacturer's
owner/operator's manual, packed separately with your
unit.
EMISSION
CONTROL
SYSTEM
This equipment
or
its engine may include exhaust
and
evaporative
emission
control
system
components
required
to
meet
U.S.
Environmental Protection Agency
(EPA)
and/or California
Air
Resources Board (CARB)
regulations. Tampering
with
emission
controls
and
components by
unauthorized
personnel may
result
in severe fines
or
penalties. Emission
controls
and
components can
only
be
adjusted by
an
authorized
engine manufacturer's service center.
A
WARNING
CALIFORNIA
PROPOSITION
65WARNING
Engine
exhaust,
some
of
its
constituents
and
certain
product
components
contain
or
emit
chemicals
known
to
the
state
of
California
to
cause
cancer
and
birth
defects
or
other
reproductive
harm.
For
more
information,
go
to
www.P65Warnings.ca.gov.
ENVIRONMENTAL
Recycle
unwanted materials instead of
IV
disposing
of
them
as
waste.
All
tools,
hoses,
IX
-'
and
packaging
should
be
sorted,
taken
to
the
-(:::7
local
recycling
center
and
disposed
of
in
an
environmentally
safe
way.
Walk-Behind
String
Trimmer
Mower » Operator's
Manual
MODEL AND
SERIAL
NUMBERS
Record
the
model and serial number
as
well
as
date
and
place
of
purchase
for
future
reference. Have this
information available when ordering parts
or
optional
accessories and when making technical
or
warranty
inquiries.
Serial
Number
Figure
1
DISCLAIMER
YARDMAX reserves the right
to
discontinue, change,
and improve its products
at
any time
without
notice
or
obligation
to
the
purchaser. The descriptions and
specifications contained
in
this manual were
in
effect at
printing. Equipment described within this
manual
may
be
optional.
Some
illustrations
may
not apply to your unit.
Introduction
I 2
3 I
Introduction
SUPPORT
Have questions about
your
YARD
MAX
equipment?
Call
us
at
847-327-0566
or
844-YARDMAX, email
us
at
or
contact
us
via your
favorite social media site.
Walk-Behind String Trimmer
Mower
» Operator's Manual
SPECIFICATIONS
Model#
YL2250
Lawn
Mower
Type
Trimmer
Mower
Cutting
Width
22"
Max. Cutting Height 3.5"
Min. Cutting Height 1.5"
Cutting Height Options
5 positions
Cutting Options
Mulch
Trimmer Line Diameter 0.155"
Deck Material
12
Gauge Steel
Deck Type Stamped
Engine Make OEM Branded
Power Type
Gas
Engine Type
4Cycle
Starting System
Recoil
Engine Displacement
170cc
Engine Torque 7.00ft.-lb
Fuel
Tank Capacity 0.21gal.
Engine Oil Capacity 16.9oz.
Recommended Oil Type
SAE
10W-30
Wheel Height High Wheel
Wheel
Size
14"
Recommended Terrain
Flat, Sloped, Uneven
Size
of
Yard
1/2
-1Acre
Number
of
Handlebar Positions 2
Product Weight (lb.)
61.71b
Dimensions
(L
x W x H)
53" X 22.5" X 35.5"
Included
Engine Oil, Cord Caddy
I Line Storage
Specifications
I 4
SYMBOLS
The
decals
on
your
machine
may
show
symbols.
These
represent
important
information
about
the
product
or
instructions
on
its
use.
DANGER
Shut
off
the
engine,
disconnect
the
it
!!!1:1-
spark
plug
wire,
and make
sure
all
WARNING
moving
parts
have
stopped
before
s:J
cleaning, repairing,
or
inspecting
the
CAUTION
unit.
~
Read
these instructions carefully.
Gasoline and its vapors are extremely
flammable and explosive. Never fuel
•
the
machine
indoors
or
while
the
®
engine
is
hot
or
running.
Wipe
up any
gasoline
that
spills. Keep away
from
Wear approved hearing protection.
any inflammable when operating
the
engine.
e
Wear eye protection
with
side shields
(!)OFF
e
Stop engine and remove
ignition
key
marked
to
comply with
ANSI
Z87.1.
ift
before leaving the operator's position.
Do
not
touch parts
that
are
hot
from
Be
aware, objects may
be
thrown while
operation.
It
may
result
in
serious
~
in
use.
burns. Engine
parts,
especially
the
/
muffler, become extremely
hot
during
:.
Thrown objects
can
result in personal
operation.
Allow
engine
and
muffler
to
injury
or
property
damage.
cool before touching.
Use
extra
caution
on
slopes.
The
machine is heavy and can speed up
Do
not
remove
or
tamper
with
the
~
when going downhill.
Be
prepared
to
protection
and
safety devices.
maintain
control
of
the
machine.
To
avoid loss
of
control,
operate across
Rotating
parts
can
cause
serious
slopes,
not up
and
down. When turning,
injury. Keep away from rotating parts.
turn
uphill,
not
down. Do
not
operate
Disconnect
spark
plug
wire
before
on
slopes greater than 15 degrees.
making adjustments.
u
Be
careful
with
the
direction
of
the
Never
fit
metal
cutting
parts-Do
not
()
rotating line.
attach any metal parts
to
the
cutting
head
of
this machine.
tt
Do not operate when children
or
others
~
..
~
~·
n •
are around.
~
Keep hands and
feet
away
from
the
~
rotating lines.
Never
start
or
run the engine inside a
~
closed area
or
in a
poorly
ventilated
area.
The
engine
exhaust
contains
carbon
monoxide,
an
odorless
and
deadly
gas.
5 I
Symbols
Walk-Behind String Trimmer
Mower
» Operator's Manual
SAFETY
The
definitions
below
give
the
level
of severity for
each
signal
word.
.A
DANGER
This
symbol
points
out
important safety instructions.
This machine was
built
to
be operated according
to
the
safe
operation
practices
in
this
manual.
Carelessness
or
error
on
the
part
of
the
operator
can result in serious injury. This machine
is
capable
of
amputating
fingers, hands, toes,
and
feet
and
throwing foreign objects. Failure
to
observe the safety
instructions could result in serious injury
or
death.
.A
WARNING
This symbol points
out
safety
instructions.
Read
and follow
all
instructions before
attempting
to
operate
this
machine. Failure
to
comply
with
these instructions
may result in personal injury.
.A
CAUTION
This
symbol
indicates
a
hazard, which,
if
not avoided,
may result in minor or moderate injury.
~
NOTE
This
information
makes the
product easier
to
use.
GENERAL
SAFETY
RULES
UNDERSTAND
YOUR
MACHINE
Read
this manual
and
labels affixed
to
the machine
to
understand
its
limitations
and
potential
hazards
before
attempting
to
assemble
this
machine. Read,
understand,
and
follow
all
instructions on the machine
and
in the manuals before operation.
Be
thoroughly
familiar
with
the
controls
and
their
proper
operation. Know how
to
stop
the
machine and disengage
the
controls quickly.
Make sure
to
read
and
understand all the instructions
and
safety
precautions
as
outlined in
the
Engine Manufacturer's manual
packed
separately with your unit. Do not attempt
to
operate the
machine until you fully understand how
to
operate
and
maintain
the engine
and
how
to
avoid accidental injuries and/or property
damage.
Keep
this manual
and
engine manual in a safe place
for
future
and
regular reference.
If
the
unit
is
to
be
used by someone
other
than
the
original
purchaser
or
loaned, rented,
or
sold, always provide this manual
and
any needed safety training before operation. The user
can
prevent and is responsible
for
accidents
or
injuries
that
may
occur
to
themselves, other people,
and
property.
Do
not
force
the
machine. Use
the
machine
correctly.
The
machine does the job more efficiently
and
safely at the rate
it
was
designed.
PERSONAL
SAFETY
Do not permit children
to
operate this machine at any time. Only
responsible individuals who are familiar
with
these rules
of
safe
operation should
be
allowed
to
use
this machine.
To
help avoid trimmer line contact
or
a thrown object injury, stay
in
the
operator
zone behind handles and keep children, pets,
and
other people not using the unit away from the work
area.
Be
alert
and
shut
off
the
unit
if
anyone enters the
work
area. Keep
children under the watchful care
of
a responsible adult.
Do
not
operate the machine while under the influence
of
drugs,
alcohol,
or
any medication
that
could affect your ability
to
use
it
properly.
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. Never operate this machine in
bare feet,
sandals,
slippery
or
lightweight
(e.g.
canvas)
shoes.
Protect eyes, face, and head from objects
that
may
be
thrown
from the unit. Always wear safety goggles
or
safety
glasses
with
side shields when operating
or
while performing
an
adjustment
or
repair.
Always use approved ear
protection
while
you
operate
the
product. Noise
for
a long period
can
cause
noise-induced hearing
loss.
Safety I 6
Always keep hands
and
feet away from all moving parts
and
under
the cutting deck. Contact
with
moving parts
and
trimmer lines
or
blades
can
amputate fingers, hands, toes,
and
feet.
Always keep hands and feet away from all pinch points.
Do
not
touch parts
that
might
be
hot from operation.
Allow
parts
to
cool before attempting
to
maintain, adjust,
or
service.
Stay alert, watch
what
you are doing, and use common sense
when operating the machine.
INSPECT
YOUR
MACHINE
Check your machine before starting it. Keep guards in place
and
in
working
order. Make sure all nuts, bolts, etc., are securely
tightened.
Never operate
the
machine when
it
is in need
of
repair
or
is
in
poor mechanical condition. Replace damaged, missing,
or
failed
parts before using them. Check
for
fuel leaks. Keep the machine
in safe working condition.
Do
not
use
the machine
if
the engine's switch does
not
turn
off
the
engine when running. Any gasoline-powered machine
that
can't
be
controlled
with
the engine switch
is
dangerous
and
must
be
replaced.
Regularly check
to
see
that
keys and adjusting wrenches are
removed from the machine area before starting it. A wrench
or
a key
that
is
left
attached
to
a rotating part
of
the machine may
result in personal injury.
Avoid accidental starting.
Be
sure the engine's switch
is
off
before
transporting
the
machine
or
performing
any maintenance
or
service on the unit. Transporting
or
performing maintenance
or
service on a machine
with
its switch on invites accidents.
If
the
machine
starts
to
vibrate
abnormally,
stop
the
engine
(motor)
and
check
immediately
for
the
cause.
Vibration
is
generally a warning sign
of
trouble.
ENGINE
SAFETY
If
a spark
arrestor
is
used,
it
should
be
maintained in effective
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.
Never
start
or
run the engine inside a closed area. The exhaust
fumes are dangerous, containing carbon monoxide,
an
odorless
and
deadly
gas.
Operate
this
unit
only
in a
well-ventilated
outdoor area.
Do
not
tamper
with
the engine
to
run
it
at
excessive
speeds.
The
maximum engine speed is preset by
the
manufacturer
and is
within safety limits.
See
engine manual.
7 I Safety
Keep a Class B
fire
extinguisher on hand when operating
this
machine in
dry
areas
as
a precautionary measure.
The
muffler
keeps the noise levels
to
a minimum and sends the
exhaust fumes away from the operator. Do not
use
the product
if
the muffler
is
missing
or
defective. A defective muffler increases
the noise level
and
the risk
of
fire. Examine the muffler regularly
to
make sure
that
it
is
attached correctly
and
not damaged.
Muffler
and engine become
hot
and can cause burns. Do
not
touch.
Do
not
modify
the
engine.
To
avoid serious
injury
or
death, do
not
modify the engine in any way. Tampering
with
the governor
setting
can
lead
to
a runaway engine and cause
it
to
operate
at
unsafe speeds. Never tamper
with
the factory setting
of
engine
governor.
FUEL
SAFETY
Fuel
is
highly flammable, and its vapors can explode
if
ignited.
Take precautions when using
to
reduce
the
chance
of
serious
personal injury.
When
refilling
or
draining
the
fuel tank, use
an
approved fuel
storage container while in a clean, well-ventilated outdoor area.
While adding fuel
or
operating the unit, do
not
smoke, and stay
away from sparks, open flames,
or
other sources
of
ignition near
the area
of
operation. Never fill the fuel tank indoors.
To
avoid sparking
or
arcing, keep grounded conductive objects
-such
as
tools
- away
from
exposed, live electrical parts and
connections. These events could ignite fumes
or
vapors.
Always stop the engine
and
allow
it
to
cool before filling the fuel
tank. Never remove the cap
of
the fuel tank
or
add
fuel while the
engine
is
running
or
when the engine
is
hot. Do not operate the
machine
with
known leaks in the fuel system.
Loosen
the fuel tank
cap
slowly
to
relieve any pressure from fuel
expansion.
Replace all fuel
tank
and container caps securely and wipe up
spilled fuel. Never operate the unit
without
the fuel
cap
securely
in place.
Avoid creating a source
of
ignition
for
spilled fuel.
If
fuel
is
spilled,
do
not
attempt
to
start
the
engine. Instead, move
the
machine
away
from
the area
of
spillage
and
avoid creating any source
of
ignition until fuel vapors have dissipated.
If
fuel
is
spilled on yourself
or
your
clothes, wash your skin and
change clothes immediately.
Store fuel in containers specifically designed and approved
for
fuel storage.
Store fuel in a cool, well-ventilated area, safely away from sparks,
open flames,
or
other
sources
of
ignition.
Never store fuel -
or
a machine
with
fuel in
the
tank - inside a
building where fumes may reach a spark, open flame,
or
any
other
source
of
ignition (such
as
a
water
heater, furnace,
or
clothes
dryer).
Allow
the engine
to
cool before storing
it
in any enclosure.
Product
liability
As
referred
to
in the product liability laws,
we
are
not
liable
for
damages
that
our
product
causes
if
:
Walk-Behind String Trimmer
Mower
» Operator's Manual
• Product
is
incorrectly repaired.
• Product
is
repaired
with
parts that are not from the manufacturer
or
not approved by the manufacturer.
• Product
has
an
accessory
that
is
not from the manufacturer
or
not approved by the manufacturer.
• Product
is
not repaired at
an
approved service center
or
by
an
approved authority.
SPECIFIC
SAFETY
RULES
Identify
hazards and take preventive steps
to
avoid accidents
and
minimize risk. Possible hazards include,
but
are
not
limited
to, moving parts, thrown objects, the weight
of
the machine
and
components, and the operating environment.
BEFORE
STARTING
Thoroughly inspect the area
to
be
worked,
and
remove all debris
and
hard
or
sharp objects like stones, sticks,
glass,
wire
or
bones
which could
be
tripped over
or
picked up
and
thrown by the string
trimmer mower. Do
not
operate the trimmer in lawns
with
large
rocks and foreign objects which can damage
the
machine. And
thrown objects
can
cause
serious personal injury.
Do
not
use the product in
bad
weather, including fog, rain, moist
or
wet
locations, strong winds, intense cold,
and
risk
of
lightning.
Doing
work
in bad
weather
can cause fatigue and dangerous
conditions, such
as
slippery surfaces.
Before starting your string trimmer mower make sure the shields,
guards and safety devices are properly affixed
to
the machine,
check the oil level,
and
make sure all nuts
and
bolts are tight.
Verify
that
the control lever
is
working properly. Make sure
that
the cable
is
free
and
that
the control lever
is
not damaged.
Move the machine
at
least 10 feet away
from
the refueling point
before starting the engine.
OPERATION
SAFETY
Do
not
force
the
machine. Use
the
correct
machine
for
your
application. The
correct
machine
will
do
the
job
better
and
safer
at
the
rate
at
which
it
is designed. This
equipment
was
designed specifically
to
cut vegetation
and
grass.
Do not use this
equipment
for
any
other
purpose.
Operate
the
product
in daylight
or
good
artificial
light. Walk,
never run.
Never operate a string
trimmer
mower in
wet
grass. Always
be
sure
of
your
footing; keep a
firm
hold on
the
handle and walk;
never run.
Stop rotating the line when crossing gravel drives, walks,
or
roads.
Stay alert, watch
what
you are doing, and use common sense
when operating the machine.
Do
not
overreach. Do
not
operate
the
machine
while
barefoot
or
when wearing sandals
or
similar lightweight footwear. Wear
protective
footwear
that
protects
your
feet and improves your
footing
on slippery surfaces. Keep proper
footing
and balance
at
all
times.
This enables
better
control
of
the
machine
in
unexpected situations.
Never place any
part
of
your
body where
it
would
be
in danger
if
the
movement should
occur
during
assembly,
installation,
operation, maintenance, repair,
or
moving.
Keep all bystanders, children, and pets
at
least
50
feet
(15m)
away.
If
you are approached, stop the
unit
immediately.
Trimmer line propels debris at high speed
and
can
cause damage.
Avoid pushing your trimmer over any areas
with
loose stones
or
gravel
as
they may become projectiles.
Do
not
put
hands
or
feet
near
rotating
parts. Contact
with
the
rotating line
can
amputate hands
and
feet.
Always operate the machine from behind, never
pass
or
stand in
front
of
the machine when the engine
is
running.
If
the
unit
strikes a foreign object, stop the engine, disconnect the
spark plug, thoroughly inspect the machine
for
any damage, and
repair the damage before restarting
and
operating the machine.
Shut the engine
off
and
wait
until the spindle comes
to
a complete
stop before cleaning the discharge area. The spindle continues
to
rotate
for
a
few
seconds after the control lever
is
released. Never
place any part
of
the body in the
trimmer
line area until you are
sure the spindle
has
stopped rotating.
Safety I 8
Keep combustible substances away
from
the engine when
it
is
hot.
Do not
tilt
the machine while the engine
is
running.
The control bar is a safety device. Never bypass its operation.
Doing
so
makes
the safety device inoperative
and
may result in
personal injury through contact with the rotating line. The control
bar must operate easily in both directions and automatically
return
to
the disengaged position when released.
Never operate the trimmer at high transport speeds on slippery
surfaces. Many injuries occur
as
a result
of
the
string
trimmer
being pulled over
the
foot
during
a fall caused by slipping
or
tripping. Do
not
hold on
to
the string
trimmer
if
you are falling;
release the handle immediately.
If
the machine should start
to
make
an
unusual noise or vibration,
immediately shut
off
the engine, disconnect the spark plug wire,
and
check
for
the
cause.
Unusual noise
or
vibration
is
generally a
warning
of
trouble.
Exercise extreme caution when operating on
or
crossing gravel
drives, walks,
or
roads. Stay alert
for
hidden hazards
or
traffic.
Never leave the operating position when the engine
is
running.
Always shut down the engine,
and
ensure the engine
is
switched
to
"off"
to
prevent accidental starting, and
wait
for
all moving
parts
to
come
to
a complete stop before leaving.
Always stop the engine when the trimming is delayed
or
when
transporting machine from one location
to
another.
To
reduce exposure
to
vibration,
limit
the
hours
of
operation
and take periodic breaks
to
minimize repetition
and
rest
your
hands.
Reduce
the
speed
and
force in which you do the repetitive
movement. Try
to
fill
each
day
with
jobs where operating hand-
held power equipment
is
not
required.
SLOPE
OPERATION
Slopes
are a major factor related
to
slip
and
fall accidents, which
can
result in severe injury. Operation on slopes requires extra
caution. The machine is heavy and can speed up when going
downhill.
Be
prepared
to
maintain control
of
the machine.
If
you
feel uneasy on a slope, do
not
work
on it.
If
the slope
is
greater
than 15 degrees, do not
work
on it.
Always
be
sure
of
your footing. A slip
and
fall
can
cause serious
personal injury.
If
you feel you are losing your balance, release the
control bar immediately
and
the line will stop rotating.
Do
trim
across the face
of
slopes; never up
and
down. Exercise
extreme caution when changing direction on slopes.
Remove
objects
such
as
rocks, tree limbs, etc.
cause
you
to
slip
or
trip.
Tall
grass
can
hide obstacles.
Do
not
trim near drop-offs, ditches
or
embankments,
because
you
could lose your footing or balance.
Do not
trim
on
wet
grass.
Unstable footing could
cause
slipping.
This operator's manual cannot include all situations
that
can
occur when you
use
the product.
Be
careful
and
use
your common
sense. Do
not
operate
the
product
or
do maintenance
to
the
product
if
you are not sure about the situation. Contact Customer
Support
for
assistance.
MACHINE
USE
AND
CARE
Before cleaning, repairing,
or
inspecting
the
product, stop
the
engine and make certain the spindle
and
all moving parts have
stopped. Disconnect
the
spark plug
wire
and ground against
the engine
and
remove Electric Start
Push
Key (if equipped)
to
prevent unintended starting
and
causing personal injury.
Many components on your new
trimmer
mower
can
wear
with
continued
use.
For safety protection, frequently check all trimmer
mower components
and
replace them immediately
with
original
equipment manufacture's parts only.
Use
of
parts
that
do
not
meet the original equipment specifications may
lead
to
improper
performance
and
compromise safety.
Never
use
blades, wire,
or
flailing devices. This
unit
is
designed
for
line
trimmer
use only. The use
of
other
accessories
or
attachments increases the risk
of
injury.
When servicing
or
repairing the
trimmer
mower, do
not
tip
the
machine over
or
up unless specifically instructed
to
do
so
in this
manual. Service and repair procedures can
be
done
with
the
trimmer
mower
in
an
upright
position. Some procedures are
easier
if
the
machine
is
lifted on a raised platform
or
working
surface.
Do
not
change
the
engine governor settings
or
over-speed the
engine. The governor controls the maximum safe operating
speed
of
the engine.
Do not run the engine at high
speed
when you are not working.
Do
not
touch parts
that
are
hot
from operation.
Allow
parts
to
cool before
attempting
to
maintain, adjust,
or
service.
It
may
result
in serious burns. Engine parts, especially
the
muffler,
become
extremely
hot
during
operation.
Allow
engine and
muffler
to
cool before touching
for
doing maintenance
or
making
adjustments.
Keep the engine
and
muffler free
of
grass, leaves,
or
excessive
grease grease
of
carbon
to
reduce the chance
of
a fire hazard.
Never douse
or
squirt
the
unit
with
water
or
any
other
liquid.
Keep handles dry, clean,
and
free from debris. Clean
after
each
Watch
for
holes, ruts, rocks, hidden objects,
or
bumps
that
can
use.
9 I Safety
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CONTENTS
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a~on
ASSEMBLY
This
walk-behind
string
trimmer
mower
was
partially
assembled
at
the
factory.
To
assemble
your
machine
follow
the
below
instructions.
UPPER
HANDLE
1.
Loosen both
of
the
handle adjustment knobs enough and pivot
the
upper handle backward
to
the
desired position.
2.
Stand in
the
operator's position behind
the
trimmer
to
make sure
the
handle
is
adjusted
to
a comfortable position.
3.
Tighten
the
handle adjustment knobs securely.
(See
Figure
2a)
Knob
Outside Adjuster
Upper Handle
\'1. :
Upper Handle
Figure2a
11 I Assembly
WHEELS
1.
Remove
the
nut
from
the
wheel shaft.
2.
Slide
the
wheel on
the
wheel shaft.
3.
Tighten
the
nut
to
secure
the
wheel in place.
(See
Figure
3a)
~
NOTE
freely.
Don't
over
tighten
the
nuts,
make
sure
the
wheels
spin
Figure3a
4.
Follow the same procedure
1-3
to
assemble
the
other
wheel.
(See
Figure3b)
Figure3b
SIDE
TRIMMER
SHIELD
1.
Remove
the
4 groups
of
M5x10
screws and
flat
washers
from
the
main
trimmer
shield and set them aside
for
later.
2.
Align
the
holes in
the
side
trimmer
shield
with
the
holes in
the
main
trimmer
shield. Secure
the
assembly
with
the
M5x10
screws and
flat
washers in
four
places.
(See
Figure4)
Walk-Behind
String
Trimmer
Mower » Operator's
Manual
Figure4
LINE
STORAGE
Secure
the
buckles on
the
line storage
onto
the
upper handle.
(See
FigureS)
FigureS
ENGINE
RECOIL
STARTER
Hang
the
engine recoil
starter
on
the
rope guide.
(See
Figure
6)
Figure6
Assembly
I 12
KNOW
YOUR MACHINE
FEATURES
AND
CONTROLS
Wheel
Mower
Deck
13 I
Know
Your
Machine
Trimmer Head Drive Control Lever
Squeezing the control
bar against the handle
allows the trimmer
))
mower spindle
to
rotate.
"""'~
:lit.
Release
the control bar
---------
to
stop the rotation
of
the spindle.
Engine ON/OFF Switch
The engine
On/Off
Switch
is
attached
to
))
the upper handle
of
the trimmer. Switch
to
ON position
to
start the engine; switch
to
OFF position
to
stop the engine.
Line Storage
))
Used
to
carry
the spare lines.
Walk-Behind String Trimmer
Mower
» Operator's Manual
Engine Recoil Starter
))
Used
to
pull-start the engine.
Handle Adjustment Knob
))
Aid.
t.o
adjust the upper handle
to
different height
pos1t1ons.
Line Cut Length Guide
))
Aid
to
cut line
to
correct length.
Head Height Adjusting Plate
Tab
))
Used
to
adjust the trimmer head height vertically.
Trimming Line
\.\.
Used
to
trim
grass,
vegetation, undergrowth,
and
//
weeds.
Mower
Head
))
Used
to
rotate the trimmer lines.
Know
Your
Machine
I
14
OPERATION
.A
WARNING
operation.
Keep
all
bystanders,
especially
CHILDREN,
away
during
.A
WARNING
Never
start or
run
the
engine
inside a closed area
or
in
a
poorly ventilated
area.
The
engine
exhaust
contains
carbon
monoxide
an
odorless
and deadly
gas.
ADDING
OIL
TO
ENGINE
.A
WARNING
The
engine
is
shipped
without
oil.
Do
not start the engine
before
adding
oil.
Please
refer to your
engine
manual
for
the
proper
grade
of
oil to
add.
1.
Make sure the walk-behind string trimmer mower
is
on
a flat,
level surface.
2.
Remove the oil fill
cap/dipstick
to
add
oil.
3.
Using a funnel,
add
oil up
to
the
FULL
mark on the dipstick.
(See
engine manual
for
oil capacity, oil recommendation,
and
location
of
fill
cap.)
.A
WARNING
as
needed.
DO
NOT
OVERFILL.
Check
engine
oil/eve/ daily
and
add
ADDING
GASOLINE
TO
ENGINE
.A
WARNING
Gasoline
is
highly flammable
and explosive.
You
can
be
burned or seriously injured
when
handling
fuel.
Use
extreme
care
when
handling
gasoline.
15 I Operation
.A
WARNING
Fill the fuel tank outdoors,
never
indoors.
Gasoline
vapors
can
ignite
if
they collect
inside
an
enclosure.
It
can
result
in
explosion.
1.
The engine must
be
off
and
allowed
to
cool
at
least three
minutes before adding fuel.
2.
Remove the fuel filler
cap
and fill the tank.
(See
engine manual
for
fuel capacity, fuel recommendation,
and
location
of
fuel
cap.)
.A
CAUTION
IMPORTANT:
DO
NOT
OVERFILL!
This equipment and/or its engine may include
evaporative
emissions
control
system
components,
required
to meet
EPA
and/or
CARB
regulations,
that
will only function properly
when
the fuel tank
has
been
filled to the recommended
level.
Overfilling
may cause permanent damage
to evaporative
emissions
control
system
components.
Filling to the
recommended
level
ensures
a vapor
gap
required to
allow for fuel
expansion.
Pay
close
attention while
filling
the
fuel
tank to
ensure
that
the
recommended
fuel/eve/ inside the tank
is
not
exceeded.
Use
a
portable gasoline container with
an
appropriately
sized
dispensing
spout
when
filling the
tank.
Do
not
use
a funnel or other
device
that obstructs
the
view
of
the
tank filling
process.
3.
Reinstall the fuel
cap
and
tighten it. Always clean up spilled
fuel.
ADJUSTING
TRIMMING
HEIGHT
The height
of
the cut
can
be
set
to
five different positions ranging
from 1.5 inches
to
3.5 inches. Higher positions are useful when
trimming tall grass
or
in conditions where frequent objects
(rocks, small limbs) are on the ground. Lower positions provide a
more finished appearance. Recommended cutting height
for
the
average yard
is
2 inches.
1.
To
adjust the trimming height,
push
the trimmer head height
adjusting plate tab in towards the
axis,
holding on and moving
the trimmer head up
or
down
to
the desired position.
If
the
head will not disengage, slightly rotate the head while pushing
the height adjusting plate tab.
(See
Figure
7a,
illustration 1 &
2)
2.
Release
the tab
and
be
sure the trimmer
head
is
locked into one
of
the 5 height positions.
•
5-Position
•
Figure7a
STARTING
THE
ENGINE
A
CAUTION
Be
sure
no
one
other than the
operator
is
standing near the
trimmer
while
starting
the engine
or
operating the
trimmer. Never
run
engine indoors
or
in enclosed,
poorly
ventilated
areas. Engine exhaust contains
carbon monoxide, an odorless and deadly
gas.
Keep
hands, feet, hair, and loose clothing away from any
moving
parts
on
the
engine
and
trimmer
mower.
Refer
to
the Engine Operator's Manual for detailed
instructions
on
starting and stopping the engine.
1.
Push
down
the
ON button
of
the engine switch.
(See
Figure
8)
FigureS
Walk-Behind String Trimmer
Mower
» Operator's Manual
2.
Starting primer bulb operation
is
important operation
of
the
starting engine. For cold starting, slightly press the primer bulb
one
to
three times in succession and quickly pull the recoil
cable grip. For
hot
starting, directly pull the starter cable grip.
(See
Figure
9)
Figure 9
3.
Pull the starter grip lightly until resistance
is
felt, then, briskly
pull
to
syncline upper
30
degrees out.
(See
Figure
10)
Figure
10
A
WARNING
Before
starting
the
engine,
keep
a safe distance between
your teet and the trimmer line, and do
not hold the
trimmer head drive control with your left hand.
Operation
I 16
STOPPING
THE
ENGINE
Push
down
the
OFF
button
of
the
engine switch.
(See
Figure
11)
Figure 11
A
CAUTION
The
trimmer
head continues
to rotate
for
several seconds
after the engine has stopped.
ENGAGING
I DISENGAGING
THE
TRIMMER HEAD
1.
Switch
ON
the engine.
2.
Squeeze the control bar against the upper handle
to
propel the
trimmer
head.
3.
Release the control bar
to
stop the
trimmer
head from rotating.
Figure
12
17 I Operation
Walk-Behind
String
Trimmer
Mower » Operator's
Manual
MAINTENANCE
MAINTENANCE
SCHEDULE
In
the
maintenance schedule, you can see which parts
of
your
machine require maintenance, and at which intervals
it
should take
place. The intervals are calculated based on
the
average use
of
the
machine and may
differ
depending on
the
rate
of
your
personal use.
Procedure
Before
Each
After
Each
Use Use
Check
for
Loose Fasteners
X
Clean Trimmer X
Clean Under Engine Cover X
Check Drive
Belt/
Pulleys
Check/
Replace Trimmer Lines X
Check I Change Engine Oil Lever X
Clean
Air
Filter*
Inspect
Muffler
Clean
or
Replace Spark Plug
Clean Spark
Arrestor
Screen (If
equipped)
Replace
Air
Filter Paper Cartridge
A
WARNING
Always
stop
the
engine,
allow
the
engine
to
cool,
disconnect
spark
plug,
and
ground
against
the
engine
before
performing
any
type
of
maintenance
on
your
machine.
Every
Month
Every
25
or
10
Hours
of
Hours
Every
100
Before Storage
Operation
or
Every
Hours
Season
X
X
X
X
X
X X X
X
X
X
X
X
*Clean more often under
dusty
conditions
or
when airborne debris
is
present. Replace
the
air cleaner
if
very
dirty.
GENERAL
RECOMMENDATIONS
Always observe safety rules when performing any maintenance.
The warranty on this
trimmer
mower does
not
cover items
that
have
been subjected
to
operator abuse
or
negligence.
To
receive full value
from
the
warranty,
the
operator must maintain
the
trimmer
mower
as
instructed here.
Changing engine-governed speed voids engine warranty.
All adjustments should
be
checked
at
least once each season.
Periodically check
all
fasteners and make sure these are tight.
GENERAL
LUBRICATION
Lightly lubricate
all
moving parts
of
the
machine
at
the
end
of
the
season
or
every
25
operating hours.
Maintenance
I 18
GENERAL
ENGINE
CARE
• Maintain oil level
as
instructed in Engine Operator's Manual.
Service air cleaner every
25
hours
of
use under normal conditions.
Under
extremely dusty conditions, clean every
few
hours. Poor
engine performance
and
flooding usually indicate
that
the air
cleaner should
be
serviced.
To
service the air cleaner, refer
to
the
Engine Operator's
Manual.
• Clean
spark plug
and
reset the gap once a season. Spark plug
replacement
is
recommended at the
start
of
each trimming
season. Check Engine Operator's
Manual
for
correct plug type
and gap specifications.
• Clean engine regularly
with
a cloth
or
brush. Keep the
top
of
the
engine
clean
to
permit proper air circulation. Remove
all
grass,
dirt, and
combustible debris
from
the muffler area.
• Engines stored between
30
and
90
days need
to
be
treated
with
a
gasoline stabilizer
to
prevent deterioration and gum
from
forming
in the
fuel system
or
on essential carburetor parts.
CHANGING THE AIR
FILTER
ELEMENT
1.
Remove the air cleaner housing.
(See
Figure
13,
illustration
1)
2.
Remove air cleaner element.
(See
Figure
13,
illustration
2)
3.
Reinstall the new air cleaner element back.
A
CAUTION
Paying
attention
to
prevent
dust
and
foreign
matter
from
entering
into
the
air
cleaner.
4. Install the air cleaner housing and wheel back.
Air
Cleaner
T&
i~
Figure
13
19
I
Maintenance
CHANGING THE ENGINE OIL
For more information about when
to
change the oil,
see
Maintenance
Schedule on page 18.
To
change the oil, use the following procedure.
A
CAUTION
Run
the engine for a few
minutes
before
changing
the
oil
to
warm
it.
Warm
oil
flows
better
and
carries
more
contaminants.
We
recommend
that
you
use
API
SERVICE
Category
SJ
class
or
higher
oil.
1.
Move the machine
to
a level surface.
2.
Refer
to
the maintenance safety section on page 7 before doing
the
oil change.
3.
Place
a suitable container below the engine
to
catch the used oil.
~
NOTE
Drain
the
used
oil
while
the
engine
is
warm. Warm oil
drains
quickly
and
completely.
4.
Remove the dipstick by rotating the cap counterclockwise
and
pulling
it
out.
5.
Tip the machine
onto
its side
(so
that
the air cleaner
is
up)
to
drain
the used
oil from the oil-fill tube.
(See
Figure
14)
6.
Allow
the used oil
to
drain completely, and then reinstall the
dipstick,
and
tighten
it
securely.
Figure
14
A
CAUTION
Refer
to
the
engine
manual
packed
separately
with
your unit for
more
detailed information and a
maintenance
schedule
for
engine
maintenance.
REPLACING
TRIMMER
LINE
When the
trimmer
line becomes
worn
to
half the original length,
replace
the
trimmer
line.
1.
Stop the engine.
Wait
for
all moving parts
to
stop. Disconnect the
wire
from the spark plug.
2.
Remove the
worn
mower line
from
the line retainer.
3.
Use the built-in length gauge, located on the shield
to
make sure
the new
trimmer
line
is
cut
at
the correct length.
Place
one end
of
the
trimmer
line
at
location
"A"
and bend
it
along the raised portion
of
the shield.
Cutthe
line
at
location "B" (22")
or
location
"C"
(20").
(See
Figure
15a)
.A
CAUTION
Do
not allow the length of
the
lines
to
vary
more
than
one
inch.
This
is
important
to
make
sure
the
trimmer
head
is
balanced
and
does
not
vibrate.
Figure
15a
4.
Replace the lines
as
follows:
•
First,
put
the new
trimmer
line through the line retainer.
(See
Figure
15b,
illustration
1)
• Next, check
to
make sure
that
the ends
of
the line are even.
(See
Figure
15b,
illustration
2)
• Finally, cross both sides
of
the I i
ne.
(See
Figure
15b,
illustration
3)
• Repeat the same procedure
to
change the
other
side one. Keep
both
lines in the same length.
.A
CAUTION
When
replacing
lines,
better
do
it
one
at a time
and
use
the
old
line
to
mark
the
position
for
the
new
line
that
you
are
replacing.
Walk-Behind
String
Trimmer
Mower » Operator's
Manual
BELT
TENSION ADJUSTMENT
Proper belt tension
is
critical
to
good performance.
To
increase belt tension
if
the belt slips
or
the
trimmer
head does not
rotate
after
the
trimmer
head drive control lever
is
engaged.
1.
Loosen the upper jam
nut
on the
trimmer
head drive control cable.
2.
Tighten the lower jam
nut
up in several threads.
3.
Tighten the .
Figure
16a
To
decrease belt tension
if
the
trimmer
head starts
to
rotate when
the
trimmer
head drive control lever
is
not
completely pressed
against the
handlebar.
1.
Loosen the lower jam
nut
on the
trimmer
head drive control cable.
2.
Tighten the lower jam
nut
down in several threads.
3.
Tighten the lower jam nut.
Figure
16b
Maintenance
I
20
REPLACE
THE
BELT
A
WARNING
the
spark
plug.
Before
you
remove
the
drive
belt,
disconnect
the
wire
from
A
WARNING
Test
the
drive
system.
Start
the
engine
and
engage
and
disengage
the
mower
head
several
times.
when
disengaged,
make
sure
the
mower
head
completely
stops
when
resting
on
the
ground.
If
the
mower
head
continues
to
rotate,
take
the
mower
to
an
anauthorized
service
center
or
call
the
service
phone.
1.
Remove the three
M5x10
screws
that
hold the decorative cover
to
the mower deck.
(See
Figure
17)
Figure
17
2.
Remove the
two
M5x30
bolts and nuts
that
hold the rear
of
the
mower deck
to
the main
trimmer
shield.
(See
Figure
18)
Figure
18
21
I
Maintenance
3.
Keep both wheels in contact
with
the ground
and
turn
the machine
backward and up, requiring a
helping hand
from
the
other
person
to
hold the machine steady. Remove the
four
M5x20
screws
that
hold the main
trimmer
shield
to
the deck.
(See
Figure
19)
Figure
19
4.
Remove the
four
M
10x60
bolts
and
nuts
that
hold the deck
with
the
trimmer
head.
(See
Figure
20)
Figure20
5.
Remove the shield, mower head, and
base
assy.
(See
Figure
21)
Figure21
6.
Use a 17mm wrench
to
remove the
two
M10
lock nuts fixing the
two
tensioner pulleys and remove the belt.
(See
Figure
22)
Figure22
Walk-Behind
String
Trimmer
Mower » Operator's
Manual
7.
Install the new belt in reverse order.
(See
Figure23)
Figure23
STORAGE
If
the walk-behind string
trimmer
mower
is
not
used
for
a period
longer than
30
days, follow the steps below
to
prepare
your
unit
for
storage.
1.
Drain the fuel tank completely. Stored fuel containing ethanol
or
MTBE
can
start
to
go stale in
30
days. Stale fuel
has
high gum
content
and
can
clog the carburetor and restrict fuel flow.
2.
Start the engine
and
run until
it
stops. This helps prevent gum
deposits
from
forming inside the carburetor
and
possible engine
damage.
3.
While the engine
is
still warm, drain the oil from the engine. Refill
with
fresh oil
of
the grade recommended in the Engine Manual.
4.
Use clean cloths
to
clean
off
the outside
of
the machine and
to
keep the air vents free
of
obstructions.
A
WARNING
Do
not
use
strong
detergents
or
petroleum-based
cleaners
when
cleaning
plastic
parts.
Chemicals
can
damage
plastics.
5.
I nspectfor any loose
or
damaged parts. Repair
or
replace damaged
parts
and
tighten loose screws, nuts,
or
bolts.
6.
Store
your
unit
on
flat
ground in a clean,
dry
building
that
has
good
ventilation.
FOLDING
HANDLE
FOR
COMPACT
STORAGE
A
WARNING
Folding or unfolding the
handle
improperly
can
damage
the
cables,
causing
an
unsafe
operating
condition.
Loosen the handle adjustment knobs several circles
to
allow the
handle
to
fold forward.
Re-tighten the
handle adjustment knobs.
Figure24
Storage
I 22
TROUBLESHOOTING
Problem
Cause
Remedy
1.
Engine
On/Off
switch
is
on
Off
1.
Switch on
the
engine.
position.
2.
Attach spark plug
wire
securely
to
spark
2.
Spark plug
wire
is
disconnected plug
3.
Out
of
fuel
or
stale fuel
3.
Fill
with
clean, fresh gasoline
Engine
fails
to
start
4. Blocked fuel line 4. Clean fuel line
5.
Fouled spark plug
5.
Clean, adjust gap
or
replace
6.
Engine flooding
6.
Wait
a
few
minutes
to
restart the engine
7.
Not
enough oil in the engine
7.
Add more oil
to
the
engine
1.
Spark plug
wire
is
loose
1.
Connect and tighten spark plug
wire
2.
Blocked fuel line
or
stale fuel
2.
Clean fuel line. Fill
the
tank
with
clean,
fresh gasoline
Engine
runs
3.
Vent plugged
3.
Clear
vent
erratically
4.
Water
or
dirt
in the fuel system
4. Drain fuel tank. Refill
with
fresh fuel
5.
Dirty
air cleaner
5.
Clean
or
replace air cleaner
6.
Improper
carburetor
adjustment
6.
Refer
to
engine manual
1.
Engine oil level
low
1.
Fill crankcase
with
proper
oil
2.
Dirty
air cleaner
2.
Clean air cleaner
Engine
overheats
3.
Airflow
restricted
3.
Remove housing and clean
4.
Carburetor
not
adjusted properly
4. Refer
to
engine manual
Poor
Trimming
1.
Trimmer line
is
too
short
or
worn.
1.
Replace the
trimmer
line.
Performance
2.
Worn
or
damaged belt
2.
Replace belt
1.
Lines are uneven
or
broken.
1.
Adjust
or
replace lines.
2.
Screws
for
the
mower
head are loose.
2.
Tighten screws.
Excessive
vibration
3.
Check all bolts and nuts, including engine
3.
Loose nuts
or
bolts.
bolts.
4. Broken
mower
head
4. Replace broken parts.
Loss
of
Head
Drive Belt
not
driving
Put
the
belt on pulleys
or
replace
belt
if
broken
23 I
Troubleshooting
Walk-Behind String Trimmer
Mower
» Operator's Manual
PARTS
DIAGRAM
Parts
Diagram
I 24
YL2250
PARTS
LIST
No.
Description
Qty
No.
Description
Qty
1 Trimmer Head Drive Control Lever 1
35
Hexagon Flange Bolt M 10x60 4
2 Upper Handlebar 1
36
ST
Screw
M5x10
6
3 Engine Start/Stop Control Cable 1 37 Decorative Cover 1
4
Line Storage Pipe Cap
1 38 Deck Frame 1
5
Line Storage Pipe
1 39
Hexagon Lock
Nut
M8
2
6
Pipe Buckle
1
40
Trailing Shield
1
7 Hexagon Lock
Nut
M6
1
41
BoltM8x265
1
8
Rope
Guide 1
42
Flat Washer 5 6
9 Trimmer Head Drive Control Cable 1
43
ST
Screw
M5x13
4
10
Handle Adjustment Knob
1
44
Side
Trimmer Shield 1
11
Plug
2 45
Spacer 1
1
12
Handle Pivot 4
46
Belt Retaining Bracket 1
13
Pipe Sleeve 1
47
Belt XPZ1137 1
14
Lower Handlebar 1
48
Tension Spring
1
15
Hexagon Flange Bolt
M8x16
8
49
Thin Washer 1
16
Flange
Nut
M8
8
so
Idler Bracket Weldment 1
17
Hexagon Flange Bolt 3/8-24UNF
1 51
M10
Pivot Flange Plug Bolt
1
18
Spring Washer
10
1
52 Belt Retaining
Rod
1
19
Flat Washer
10
1
53
Tensioner Pulley 1 1
20
Key 20x4.78x4.78 1
54
WasherofTensioner Pulley 1
1
21 Flat Washer 8 5 55
Tensioner Pulley 2
1
22
Spring Washer 8
4 56
BaseAssy.
1
23
Engine
1 57
Hexagon Bolt M5x35
2
24
BoltM8x370
1 58
Main Trimmer Shield 1
25 Belt Pulley 1 59 Flat Washer 5 2
26 Hexagon Bolt M8x45 2
60
Hexagon Lock
Nut
MS
6
27 141nch Wheel 2 61
Side
Cutter 1
28
Hexagon Lock
Nut
M10
5 62
Rivet4x13
2
29 Wheel Shaft Weldment 2 63
ST
Screw
M5x20
4
30
Cable Sleeve 1
64
Driven Pulley 1
31 Hexagon Bolt
M8x50
1
65
Flat Washer
16
1
32 Hexagon Bolt
M8x20
1 66 Main Shaft 1
33
All-metal Hexagon Lock Nuts
M10
1 67
CirclipA17
1
34
Flat Washer
10
2 68
Bearing 6203-2RS
2
2s
1
Parts
List
Walk-Behind String Trimmer
Mower
» Operator's Manual
No.
Description
Qty
69
CirclipA40
3
70
Bearing
Base
Weldment
1
71
Flange
Nut
M
10
5
72
Spacer Jacks
haft
Washer
1
73
Spacer Jackshaft
1
74
Protecting Bush
1
75
Trimmer Line
4
76
Mower
Head
1
77
Pressing Spring
1
78
Platen
1
79
Adjusting Plate
1
80
Sleeve Welding
1
81
CirclipA35
1
82
Hexagon Socket Countersunk
4
Head Screw
M5x20
83
Bearing 6003-2RS-Z3
1
84
Bump Head
1
85
Flat Washer 8
1
86
Bottom
Seal
Cover
1
87
Hexagon
Bolt
M8x25
1
88
Hexagon Socket Head Cap
3
ScrewMSx10
Parts
List I 26
