MTD H70SS Operator's Manual
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Operator’s Manual
4-Cycle Gasoline Trimmer
Model H70SS
SAVE THESE INSTRUCTIONS
For a list of service providers, please refer to the phone numbers
found on page 6 or at the end of the Trouble Shooting section of
this manual.
DO NOT RETURN THE UNIT TO THE RETAILER. PROOF OF
PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE.
THIS PRODUCT IS COVERED BY ONE OR MORE U.S. PATENTS.
OTHER PATENTS PENDING.
Service on this unit both within and after the warranty period should
be performed only by an authorized and approved service dealer.
All information, illustrations, and specifications in this manual
are based on the latest product information available at the
time of printing. We reserve the right to make changes at any
time without notice.
Copyright© 2007 MTD SOUTHWEST INC, All Rights Reserved.
P/N 769-02747C (2/07)
TABLE OF CONTENTS
Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Know Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Starting & Stopping Instructions . . . . . . . . . . . . . . . . . . . . . .4
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Maintenance Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E11
WARNING: When using the unit, you must follow
the safety rules. Please read these instructions
before operating the unit in order to ensure the
safety of the operator and any bystanders. Please
keep these instructions for later use.
READ ALL INSTRUCTIONS BEFORE OPERATING
• Read the instructions carefully. Be familiar with the controls
and proper use of the unit.
• This unit was not designed to be used as a brushcutter. Do
not attach or operate this unit with any type of brushcutting
blade or brushcutting attachment.
• Do not operate this unit when tired, ill, or under the influence
of alcohol, drugs, or medication.
• Children and teens under the age of 15 must not use the
unit, except for teens guided by an adult.
• All guards and safety attachments must be installed properly
before operating the unit.
• Inspect the unit before use. Replace damaged parts. Check
for fuel leaks. Make sure all fasteners are in place and secure.
Replace parts that are cracked, chipped, or damaged in any
way. Do not operate the unit with loose or damaged parts.
• Carefully inspect the area before starting the unit. Remove all
debris and hard or sharp objects such as glass, wire, etc.
• Be aware of the risk of injury to the head, hands and feet.
• Clear the area of children, bystanders, and pets. At a minimum,
keep all children, bystanders, and pets outside a 50 feet (15 m)
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.
• Use only 0.105 inches (2.67 mm) diameter original equipment
manufacturer replacement line. Never use metal-reinforced
line, wire, or rope. These can break off and become dangerous
projectiles.
• Squeeze the throttle control and check that it returns auto-
matically to the idle position. Make all adjustments or repairs
before using unit.
RULES FOR SAFE OPERATION
• IMPORTANT SAFETY INSTRUCTIONS •