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Snow Blower
MTD
663, 643 manual
Models:
663
643
1
26
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28
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Troubleshooting
Belt Removal And Replacement
Maintenance
Assembly
Making Adjustments
Chute Clean-Out Tool
Page 26
Image 26
Notes
26
Page 25
Page 27
Page 26
Image 26
Page 25
Page 27
Contents
OPERATOR’S Manual
Table of Contents
Important Safe Operation Practices
Training
Maintenance and Storage
Unpacking
Assembly
Assembling Your Snow Thrower
Loose Parts
Know Your Snow Thrower
Operating Your Snow Thrower
To Engage Augers
To Stop Engine
To Engage Drive
Recoil Starter
Operating Tips
Chute Clean-Out Tool
Drift Cutters If Equipped
Making Adjustments
Traction Control and Shift Lever
Auger Control
Shift Rod Adjustment
Chute Assembly
Skid Shoes
Maintaining Your Snow Thrower
Lubrication
Engine
Belt Removal And Replacement
Servicing Your Snow Thrower
Augers
Replacing Friction Wheel Rubber
Drive Belt
Off-Season Storage
Trouble Shooting
Trouble Possible Causes Corrective Action
Models 643
Part Description
70 73 429
731-1300B Lower Chute
Models 643
Models 643
Models 643
Models 643
2615 Drive Clutch Cable Auger Clutch
Models 643
Page
Page
MANUFACTURER’S Limited Warranty for
