MTD 663 manual Models 643

Page 23

Models 643 & 663

Ref.

Part No.

Part Description

No.

 

 

 

 

 

1.

710-1652

Hex Washer Screw 1/4-20 x .625

2.

731-1324

Belt Cover

3.

732-0710

Extension Spring

4.

710-0627

Hex Screw 5/16-24 x .75

5.

710-3005

Hex Cap Screw 3/8-16 x 1.25

6.

05896A

Drive Clutch Idler Bracket

7.

748-0234

Shoulder Spacer

8.

756-0987

Pulley Half

9.

754-0346

V-Belt

10.

756-0986

Pulley Half

11.

736-0270

Bell Washer

12.

710-0230

Hex Cap Screw 1/4-28 x .50

13.

756-0313

Flat Idler

14.

710-1245B

Lock Hex Cap Screw 5/16-24

15.

712-0181

Lock Jam Nut 3/8-16

16.

756-0569

Pulley Half

17.

736-0242

Bell Washer

18.

736-0505

Flat Washer

19.

754-0430B

Belt

20.

756-0967

Auger Pulley

21.

736-0247

Flat Washer 3/8 x 1.25 OD

22.

736-0331

Bell Washer

23.

710-0696

Hex Cap Screw 3/8-24

24.

748-0360

Adapter Pulley

25.

710-0654A

Hex Screw 3/8-16 x 1.0

26.

629-0071

Extension Cord

27.

OEM-390-987

Electric Start Kit

28.

712-0324

Lock Nut, 1/4-20

29.

736-0173

Flat Washer, .28 x .74 x .063

30.

732-0705

Cable Guide

31.

738-0830

Axle 16”

32.

734-1712A

Wheel Ass’y Comp 16.5” x 4.8”

33.

734-1525

Tire 16.0” x 6.50” x 8.0”

34.

734-0255

Tubeless Air Valve

35.

734-1711A

Rim Assembly

36.

629-0059

Upper Harness Assembly

 

 

 

23

Image 23
Contents OPERATOR’S Manual Table of Contents Training Important Safe Operation PracticesMaintenance and Storage Loose Parts AssemblyAssembling Your Snow Thrower UnpackingKnow Your Snow Thrower Operating Your Snow Thrower Recoil Starter To Stop EngineTo Engage Drive To Engage AugersOperating Tips Chute Clean-Out ToolDrift Cutters If Equipped Traction Control and Shift Lever Making AdjustmentsSkid Shoes Shift Rod AdjustmentChute Assembly Auger ControlLubrication Maintaining Your Snow ThrowerAugers Belt Removal And ReplacementServicing Your Snow Thrower EngineDrive Belt Replacing Friction Wheel RubberOff-Season Storage Trouble Possible Causes Corrective Action Trouble ShootingPart Description Models 64370 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