Yard Machines MTD308P User Manual
Operator’s Manual
Electric Grass Trimmer
Model
MTD308P
English
IMPORTANT: READ SAFETY RULES
AND INSTRUCTIONS CAREFULLY
P/N 6096-230807 © 2005
PRINTED IN CHINA
TABLE OF CONTENTS
Warranty Statement Page 1
Rules for Safe Operation Pages 2-6
Assembly Instructions Page 7
Operating Instructions Pages 7-8
Maintenance Instructions Pages 9-10
Specifications Page 10
Parts List Page 11
Notes Page 12
Manufacturer’s Limited Warranty Page 13
WARRANTY STATEMENT
TWO YEAR LIMITED WARRANTY ON YARD MACHINES GRASS TRIMMER
For two years from the date of purchase, when this grass trimmer is used and maintained according
to the operator’s manual, Yard Machines will repair any defect in material for workmanship free of
charge.
If this grass trimmer is used for commercial or rental purposes, this warranty applies for only 90 days
from the date of purchase.
WARRANTY SERVICE IS AVAILABLE BY RETURNING THIS GRASS TRIMMER TO THE NEAREST
MTD REPAIR DEALER.
This warraanty gives you specific legal rights, and you may also have other rights which vary from
state to state.
RULES FOR SAFE OPERATIOIN
The purpose of safety symbols is to attract your atten
tion to possible dangers. The safety symbols, and their
explanations, deserve your careful attention and understanding. The safety warnings do not by themselves
eliminate any danger
give are not substitutes for proper accident prevention
measures.
SYMBOL MEANING
SAFETY ALERT:
caution. Attention is required in order to
avoid serious personal injury. May be used
in conjunction with other symbols or pictographs.
NOTE: Advises you of information or instructions vital to
the operation or maintenance of the equipment.
Read the Operator’s Manual(s) and follow all warnings
and safety instructions.
Failure to do so can result in serious injury to the
operator and/or bystanders.
. The instructions or warnings they
Indicates
danger,
warning or
-
FOR QUESTIONS, CALL 1-800-668-1238
SYMBOL MEANING
DANGER:
result in serious injury to yourself or to others. Always follow the safety precautions to
reduce the risk of fire, electric shock and
personal injury.
WARNING:
result in injury to yourself and others.
Always follow the safety precautions to
reduce the risk of fire, electric shock and
personal injury.
CAUTION:
result in property damage or personal injury
to yourself or to others. Always follow the
safety precautions to reduce the risk of fire,
electric shock and personal injury.
Failure to obey a
safety warning will
Failure to obey a
safety warning can
Failure to obey a
safety war
ning may
• IMPORTANT SAFETY INSTRUCTIONS •
READ ALL INSTRUCTIONS
BEFORE OPERATING
• Read the instructions carefully. Be familiar with the
controls and proper use of the unit.
When using the
WARNING:
Please r
ating the unit in or
of the operator and any bystanders. Please
keep these instr
• Do not operate this unit when tired, ill or under the
influence of alcohol, drugs or medication.
• Children must not operate the unit. Teens must be
accompanied and guided by an adult.
All guar
•
properly before operating the unit.
Inspect the unit befor
•
Make sur
Replace par
any way
aged par
ds and safety attachments must be installed
e all fasteners ar
. Do not operate the unit with loose or dam-
ts.
ead these instr
ts that ar
uctions for later use.
e use. Replace damaged parts.
e in place and secur
e cracked, chipped or damaged in
unit, safety rules.
uctions befor
der to ensur
e oper
e the safety
e.
• Carefully inspect the area before starting the unit.
Remove all debris and hard or sharp objects such as
glass, wire, etc.
• Clear the area of children, bystanders, and pets. At a
minimum, keep all children, bystanders, and pets outside a 50 feet (15m.) radius; there still may be a risk to
bystanders from thrown objects. Bystanders should be
-
encouraged to wear eye protection. If you are
approached, stop the unit immediately.
21
RULES FOR SAFE OPERATIOIN
MINIMUM WIRE GAUGE RECOMMENDATIONS
VOLTS
EXTENSION CORD
LENGTH
WIRE SIZE
REQUIRED
120
25 feet / 7.5m 18 A.W.G.*
50 feet / 15m 16 A.W.G.*
100 feet / 30m 16 A.W.G.*
*American Wire Gauge
PLEASE READ - SAVE THESE
INSTRUCTIONS
When using an electrical appliance, basic precautions
should always be followed to assur
optimum performance. Read this manual before assembling and operating this appliance. Failure to comply with
instructions may result in electrical shock, burns, fire, or
personal injury.
e maximum safety and
WARNING
1-1.TO REDUCE THE RISK OF ELECTRIC
SHOCK, BURNS, FIRE OR PERSONAL
INJURY:
1. FOLLOW ALL SAFETY INSTRUCTIONS listed in
this manual before/during operation of this trimmer.
TO REDUCE THE RISK OF ELECTRIC SHOCK this
2.
equipment has a polarized plug (one blade is wider
than the other). This plug will fit in a polarized extension cord only one way. If the plug does not fit fully in
the extension cord, reverse the plug. Do not change
the plug in any way.
INSPECT UNIT FOR DAMAGE to the housing or
3.
plug. Keep all fasteners tight. Do not use if the trigger
does not turn the unit off properly. Never use unit if
cord or plug has been damaged, the motor or unit
itself is not working as it should or has been dropped,
damaged, left outdoors or dropped in water. Never
operate with any air opening blocked. Keep air openings free of debris that may reduce air flow. Replace
damaged parts that are chipped, cracked or damaged in any way. Keep cutter knife sharp.
4.
5.
DOUBLE INSULATED to help protect against
electric shock. Double insulation construction
consists of 2 separate “layers” of electric insulation.
Appliances built with this insulation system are not
intended to be gr
cord used with your unit can be plugged into any
conventional 120 volt electrical outlet. Normal safety
ecautions must be observed when operating an
pr
electrical appliance. The double insulation system is
only for added protection against injury resulting from
a possible inter
EXTENSION CORD - Use only with an extension
cord intended for outdoor use. Match wire gauge to
the cord length. See table below. A 2-wire cord without a gr
appliance is double insulated. If in doubt of proper
wire size, use the next heavier gauge. Please note
that the smaller the gauge number
cor
ound connection may be used since this
d.
ounded. As a r
nal electrical insulation failure.
esult, the extension
, the heavier the
Table 1
(1). When using the appliance, an extension cord of ade-
quate size must be used for safety and to prevent
loss of power and overheating.
(2). The extension cord must be specifically intended for
outdoor use and marked “SJ” or “SJT” and with the
suffix “WA”. In Canada, the extension cord must be
marked “SFTW”.
(3). Inspect extension power cord for loose or exposed
wires and damaged insulation. If damaged, replace
before using appliance.
DO NOT ABUSE CORD - Never carry appliance by
cord or pull cord to disconnect from outlet. Keep cord
clear of operator and obstacles at all times. Do not
expose cord to heated surfaces, oil or water. Do not
pull cord around sharp edges, corners or close door
on cord.
6. NO SERVICEABLE PARTS INSIDE - Your dou-
ble insulated appliance has no serviceable parts
inside. Do not attempt to repair it yourself. For service information, contact the Yard Machines Product
Service Department.
7. RISK OF EYE INJURY - Always wear goggles or
other suitable eye protection when operating your
om r
fr
y caused by
otating line.
trimmer
flying debris. Always keep bystanders at a safe distance.
8.
KEEP HANDS AND FEET A
Do not operate without debris shield attached.
9.
DRESS PROPERLY - Always wear long pants, shoes
and gloves. Do not wear loose clothing, jewelry, short
pants, sandals or go barefoot.
10. KEEP AREA CLEAR - Keep everyone, especially
children and pets away from the area of operation 50
feet (15m). Turn off unit immediately if you are
approached. Never allow children to operate the
appliance to be used as a toy or to run unattended at
any time.
11. AVOID A DANGEROUS ENVIRONMENT - Do not
use in the presence of flammable liquids or gases,
smoking or burning materials to avoid creating a fire
or explosion. Never operate the trimmer in wet or
damp conditions or around swimming pools, hot tub,
etc. Do not use in rain. Do not handle plug, cord or
appliance with wet hands.
. Edging incr
eases the risk of injur
Y
A
W
RULES FOR SAFE OPERATIOIN
12. USE APPLIANCE CORRECTLY - Use this appliance
only for its intended use as described in this manual.
DO NOT SWEEP WITH TRIMMER - Sweeping refers
to tilting stringhead to sweep away debris from walkways, etc. Y
stones or other such debris may be hurled 50 feet or
more, causing injury or damage to nearby property
such as automobiles, homes and windows. Inspect
area before starting the appliance to remove debris
and other objects that can cause damage during
operation.
DO NOT USE ACCESSORIES or attachments
13.
except as recommended and provided by Yard
Machines. Do not use any type of wire or metal cutting line.
DO NOT OVERREACH - Keep firm footing and bal-
14.
ance at all times.
15.
AVOID UNINTENTIONAL STARTING - Do not carry
plugged in trimmer with your finger on the switch.
DISCONNECT trimmer from power supply when not
16.
in use and before servicing stringhead.
17. STORE idle trimmer indoors. Appliance should be
stored in a dry, high or locked up place - out of the
reach of children.
18. Don’t grasp the exposed cutting blades or cutting
edges when picking up or holding the appliance.
Don’t force appliance - it will do the job better and
19.
witth less likelihood of a risk of injury at the rate for
which it was designed.
our trimmer is a powerful tool and small
EXPLANATION OF NOTE, WARNING, and
WARRANTY SYMBOL
1. A NOTE is used to convey additional information, or
highlight a particular explanation, or to expand a step
instruction.
2. A WARNING identifies a procedure which, if not
undertaken or if improperly done, can result in a serious personal injury or damage to the unit and/or
both.
3. (
4.
WARRANTY SYMBOL) serves notice that
unless instructions or procedures are followed,
any damage will void the warranty and repairs will be
at owner’s expense. Service other than user maintenance should be performed by a Yard Machines
Authorized Service Center. Damage or conditions
caused by improper maintenance practices which
render this product inoperable will void the manufacturer’s warranty.
FOR WARRANTY OR SERVICE contact the nearest
Yard Machines Authorized Service Center by calling
800# on back cover.
SAVE THESE INSTRUCTIONS
43
RULES FOR SAFE OPERATIOIN
SAFETY AND INTERNATIONAL SYMBOLS
This operator's manual describes safety and inter
Read the operator's manual for complete safety, assembly, operating and maintenance and repair information.
national symbols and pictographs that may appear on this product.
SYMBOL MEANING
• SAFETY ALERT SYMBOL
Indicates danger, warning, or caution.
May be used in conjunction with
other symbols or pictographs.
• WARNING - READ OPERATOR'S
MANUAL
Read the Operator’s Manual(s) and
follow all warnings and safety
instructions. Failure to do so can
result in serious injury to the operator
and/or bystanders.
• WEAR HEAD, EYE AND HEARING
PROTECTION
WARNING: Thrown objects and loud
noise can cause severe eye injury
and hearing loss. Wear eye protection meeting ANSI Z87.1-1989 standards and ear protection when operating this unit. Falling objects can
cause severe head injury. Wear head
protection when operating this unit.
Use a full face shield when needed.
SYMBOL MEANING
• MINIMUM OPERATING DISTANCE
WARNING: Keep children,
bystanders, and animals 50 feet
(15meters) away. If approached stop
unit immediately.
DANGER: Objects thrown up by
machine.
• DO NOT USE BLADES
WARNING: To prevent serious
personal injury, do not attach or
operate the unit with any type
of blade.
KNOW YOUR UNIT
RULES FOR SAFE OPERATIOIN
MOTOR HOUSING
REAR HANDLE
ADJUSTABLE
HANDLE
ON/OFF TRIGGER
CORD
RETAINER
PLUG FOR
EXTENSION CORD
STRING HEAD
DEBRIS SHIELD
NYLON LINE
65
ASSEMBLY INSTRUCTIONS OPERATING INSTRUCTIONS
NOTE: The only assembly required for your trimmer is to
install the debr
DEBRIS SHIELD INSTALLATION
1. Position the motor housing with string head carrier facing up (Figure 1).
2. Place the debris shield (A) on the tube so the holes
align with the slots on the bracket (B). (Figure 2)
3. Install the Shield knob and nut (C) and tighten securely.
is shield and adjust the assist handle.
A
B
C
Fig. 2
Fig. 1
OPERATING INSTRUCTIONS
CONNECT THE CORD
1. Ensure the cord is NOT plugged into a receptacle
before this procedure.
2. Make a loop with 8” - 10” (20 - 25cm) of the end of the
extension cord.
3. Place the loop into the slot (A) under the motor housing and lock into place with cor
4. Connect the extension cord to the trimmer.
5. Plug the extension cord into a receptacle ONLY when
you are ready to operate the trimmer.
d retainer (B) in Fig. 3
ADJUST THE ASSIST HANDLE
NOTE: The assist handle is attached to the shaft but has
been turned under for packing
1. Loosen adjustment knob and rotate handle to the top
of shaft (Figure 4).
Retighten adjustment knob secur
2.
ely.
Fig. 3
B
Fig. 4
A
7
TRIMMER OPERATION
1. TRIMMING / MOWING (Figur
a sickle-like motion from side to side. Do not tilt the
stringhead during the procedure. Test area to be
trimmed for proper cutting height. Keep stringhead at
same level for even depth of cut.
2.
CLOSER TRIMMING (Figure 6). Position trimmer
straight ahead with a slight tilt so bottom of stringhead
is above ground level and string contact occurs at
proper cutting point. Always cut away from operator.
Do not pull trimmer in toward operator.
FENCE/FOUNDATION TRIMMING. Approach trim-
3.
ming around chain link fences, picket fences, rock
walls and foundations slowly to cut close without
whipping string against the barrier. If the string comes
in contact with rock, brick walls, or foundations, it will
break or fray. If string snags fencing, it will snap off.
TRIMMING AROUND TREES. Trim around tree trunks
4.
with a slow approach so string does not contact bark.
Walk around the tree trimming from left to right.
Approach grass or weeds with the tip of the string and
tilt stringhead slightly forward.
SCALPING Scalping refers to removal of all vegetation
5.
down to the ground. To do this, tilt the stringhead to
about a 30 degree angle to the left. By adjusting the
handle you will have better control during this operation.
Always keep a distance of 50 feet (15 meters) from other
people and animals when scalping. Do not attempt this
procedure if there is any chance flying debris could
injure operator, other people or cause damage to property.
6. SWEEPING - DO NOT SWEEP WITH TRIMMER
(Figure 7)
e 5). Swing trimmer with
Fig. 6
Fig. 7
Fig. 5
STRINGHEAD
1. Use only appropriate MTD replacement accessories.
2. Always clean dirt and debris from the spool and hub
prior to, when the unit is idle, and after performing any
type of maintenance.
8
REPLACING CUTTER LINE
1. Turn the knob (A) COUNTERCLOCKWISE and remove
it (Figure 8).
2. Remove the spool (B) and spring (C) from spindle (D).
3. Remove any remaining cutter line (H).
4. Double a 14' (4.3m) length of .095 or .080" (.24 or
.20cm) cutter line. Place the looped center in one of
the slots (F) of the spool divider (Figure 9).
5. Wind as shown in illustration (Figure 9), keeping tension, with each half separated by the spool divider.
Wind to within 6" (15cm) of the ends.
6. Lock each end of line into a slot (F) on opposite sides
of the spool (Figure 11).
7. Install the spring (C) over the spindle (D). Insert each
end of the line through an eyelet (G) in the housing (E)
(Figure 12).
8. Lower the spool into the housing (E) while feeding the
line through the eyelets (G). Ensure the spring seats
itself into the spool (Figure 12).
9. Once the spool is in place, apply pressure on the spool
compressing the spring. Pull each end of the line (H)
sharply to unlock the line from the slots (Figure 13).
10. Continue to apply pressure to the spool until the knob
can be threaded CLOCKWISE onto the spindle.
Tighten the knob securely by hand only (Figure 14).
11. Trim the excess line to approximately 5" (13cm). This
will minimize load on engine during starting and warmup.
A. KNOB
B. SPOOL
C. SPRING
D. SPINDLE
E. HOUSING
F. SLOTS
G. EYELETS
H. CUTTER LINE
J. WRENCH
G
H
F
D
C
Fig. 10
F
Fig. 11
G
D
C
E
G
Fig. 12
H
H
J
A
Fig. 8
Fig. 9
F
B
E
Fig. 13
Fig. 14
9 10
H
MAINTENANCE INSTRUCTIONSMAINTENANCE INSTRUCTIONS
USER MAINTENANCE RESPONSIBILITIES
1. This appliance has no internal serviceable parts.
Do not attempt any r
a hazard and void the manufacturer’s warranty.
2. Unplug the power cord before cleaning or performing
maintenance or removing or installing string head.
3. Never douse appliance with liquid or squirt with a garden hose. Clean with a damp sponge.
4. Keep air openings on the motor housing free from any
debris to avoid overheating.
epairs. Doing so could create
SPECIFICATION
Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120V~, 60Hz, 6.75Amp
No Load Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7,400/min.
Cutting width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15” (375mm)
Line Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ø0.80” (2.0mm)
Net Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.5 Lbs (4.3 Kg)
PARTS LIST
No. Parts No. Description No. Parts No. Description
1 6038-230308 HOUSING (L) 11 6NAB-06 NUT
2 6228-230727 MOTOR ASS'Y 12 6010-230302 WIRE
3 6038-230307 HOUSING (R) 13 6228-230728 SHAFT ASS'Y
4 6SDABA4.5-18 SCREW 14 6228-230729 COVER ASS'Y
5 6003-230301 READ HOUSING 15 6SXDB-06-60 SCREW
6 6022-230301 SWITCH ASS'Y 16 6228-230707 CUTTING LINE ASS'Y
7 6010-230301 WIRE 17 9228-331011 KNOB
8 6SXDB-06-65 BOLT 18 6028-230303 TRIGGER
9 6068-230301 ASSIST HANDLE 19 6059-230301 JACKET TUBE
10 6056-230302 KNOB
MANUFACTURER’S LIMITED WARRANTY FOR:
The limited warranty set forth below is given by MTD
LLC (“MTD”) with respect to new merchandise purchased and
used in the United States and Canada, its possessions and
territories.
MTD warrants this product against defects in material and
workmanship for a period of two (2) years commencing on the
date of original purchase and will, at its option, repair or replace,
free of charge, any part found to be defective in material or
workmanship. This limited warranty shall only apply if this
product has been operated and maintained in accordance with
the Operator’
been subject to misuse, abuse,
commercial use, neglect, accident, improper maintenance,
alteration, vandalism, theft, fire, water or damage because of
other peril or natural disaster. Damage resulting from the
installation or use of any accessory or attachment not approved
by MTD for use with the product(s) covered by this manual will
void your warranty as to any resulting damage. This warranty is
limited to ninety (90) days from the date of original retail
purchase for any MTD product that is used for rental or
commercial purposes, or any other income-producing purpose.
HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE THROUGH YOUR LOCAL
AUTHORIZED SERVICE DEALER. To locate the dealer in your
area, please check for a listing in the Yellow Pages or contact
the Customer Service Department of MTD LLC by calling
1-866-747-9816 or writing to P.O. Box 361131, Cleveland OH
44136-0019 or if in Canada call 1-800-668-1238. No product
returned directly to the factory will be accepted unless prior
written permission has been extended by the Customer Service
Department of MTD LLC.
This limited warranty does not provide coverage in the
following cases:
Trimmer line.
A.
B.
MTD does not extend any warranty for products sold or
exported outside of the United States of America and
Canada, its possessions and territories, except those
sold through MTD’s authorized channels of export
distribution.
s Manual furnished with the product, and has not
No implied warranty, including any implied warranty of
merchantability or fitness for a particular purpose, applies
after the applicable period of express written warranty
above as to the parts as identified. No other express
warranty or guaranty, whether written or oral, except as
mentioned above, given by any person or entity, including
a dealer or retailer, with respect to any product shall bind
MTD. During the period of the Warranty, the exclusive
remedy is repair or replacement of the product as set
forth above.
long an implied warranty lasts, so the above limitation may
not apply to you.)
The provisions as set forth in this Warranty provide the
sole and exclusive remedy arising from the sales. MTD
shall not be liable for incidental or consequential loss or
damages including, without limitation, expenses incurred
for substitute or replacement lawn care services, for
transportation or for related expenses, or for rental
expenses to temporarily replace a warranted product.
(Some states do not allow limitations on how long an implied
warranty lasts, so the above limitation may not apply to you.)
In no event shall recovery of any kind be greater than the
amount of the purchase price of the product sold. Alteration
of the safety features of the product shall void this Warranty.
You assume the risk and liability for loss, damage, or injury to
you and your property and/or to others and their property
arising out of the use or misuse or inability to use the product.
This limited warranty shall not extend to anyone other than
the original purchaser, original lessee or the person for whom
it was purchased as a gift.
How State Law Relates to this W
gives you specific legal rights, and you may also have other
rights which vary from state to state.
To locate your nearest service dealer dial 1-866-747-9816 in
the United States or 1-800-668-1238 in Canada.
(Some states do not allow limitations on how
arranty:
This warranty
eserves the right to change or impr
MTD r
any MTD Product without assuming any obligation to modify
any product previously manufactured.
ove the design of
MTD LLC
P.O. Box 361131
Cleveland, OH 44136-0019
1211
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