MTD 643 - Manual

MTD 643

MTD 643 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – TABLE OF CONTENTS; FINDING MODEL NUMBER
  • Page 3 – SECTION 1: IMPORTANT SAFE OPERATION PRACTICES; TRAINING
  • Page 4 – MAINTENANCE AND STORAGE
  • Page 5 – SECTION 2: ASSEMBLING YOUR SNOW THROWER; Unpacking; Assembly
  • Page 6 – SECTION 3: KNOW YOUR SNOW THROWER
  • Page 7 – SECTION 4: OPERATING YOUR SNOW THROWER; Before Starting
  • Page 8 – To Stop Engine; To Engage Drive
  • Page 9 – Drift Cutters; Tire Chains
  • Page 10 – SECTION 5: MAKING ADJUSTMENTS; Tire Pressure
  • Page 12 – SECTION 6: MAINTAINING YOUR SNOW THROWER; Lubrication
  • Page 13 – SECTION 7: SERVICING YOUR SNOW THROWER; Engine
  • Page 14 – Replacing Friction Wheel Rubber
  • Page 16 – SECTION 8: TROUBLE SHOOTING
  • Page 26 – Notes
  • Page 28 – MANUFACTURER’S LIMITED WARRANTY FOR:
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Snow Thrower

Models

643 & 663

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

MTD LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

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). If a spark arrester 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. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.

PRINTED IN U.S.A.

FORM NO.

769-00377.fm

(6/02)

OPERATOR’S MANUAL

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Summary

Page 2 - TABLE OF CONTENTS; FINDING MODEL NUMBER

2 TABLE OF CONTENTS Content Page Important Safe Operation Practices ................................................................... 3 Assembling Your Snow Thrower ....................................................................... 5 Know Your Snow Thrower .......................................

Page 3 - SECTION 1: IMPORTANT SAFE OPERATION PRACTICES; TRAINING

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES 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 this machine. Failure t...

Page 4 - MAINTENANCE AND STORAGE

4 4. Never operate with a missing or damaged discharge chute. Keep all safety devices in place and working. 5. Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. 6. Do not operate machine while under the influence of alcoh...

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