Service Manual

ManualsBrandsToro ManualsGas Snow BlowersPower Clear 721 R 21 in. 212 cc Single-Stage Self Propelled Gas Snow Blower

Table Of Contents

Revision History
Preface
- Service Procedure Icons
Chapter 1 : Safety
- Safety Instructions
  - Think Safety First
Chapter 2 : Specifications and Maintenance
- Specifications
- Torque Specifications
  - Equivalents and Conversions
  - U.S. to Metric Conversions
Chapter 3 : Troubleshooting
- General Troubleshooting
- Engine Model/Serial Number Location
Chapter 4 : Starter System
- General Information
- Service and Repairs
  - Recoil Replacement
Chapter 5 : Fuel System
- General Information
- Service and Repairs
Chapter 6 : Governor Controls
- General Information
- Service and Repairs
  - Speed Control Assembly Replacement (G210–1, G210–2, & G210–4)
  - Governor Arm Replacement (G210–1, G210–2, & G210–4)
Chapter 7 : Compression System
- General Information
- Service and Repairs
  - Cylinder Head Replacement (G210–1, G210–2, & G210–4)
  - Piston and Connecting Rod Replacement
Chapter 8 : Electrical
- General Information
- Service and Repairs
Chapter 9 : Engine Lower End
- General Information
- Service and Repairs

CrankshaftRemoval(continued)

g334870

Figure371

CrankshaftInspection

1.Inspectthe3crankshaftbearingsurfacesforwear,pits,orotherdamage.

Replacethecrankshaftifdamaged.

2.Measureandverifythecrankshaftrodjournalistospecication.Replace

thecrankshaftifnottospecication.

Standard:30.16mm(1.18740inch)

ServiceLimit:30.1mm(118503inch)

g333033

Figure372

3.Inspectthetiminggearteethfordamage.Replacethecrankshaftifthe

timinggearteetharedamaged.

4.Inspectthekeywaysfordamage.Replacethecrankshaftifthekeyways

aredamaged.

5.Inspectthethreadsateachendofthecrankshaftfordamage.Replacethe

crankshaftifthethreadsaredamaged.

CrankshaftInstallation

1.VerifythepistonandconnectingrodareatTopCenter.

EngineLowerEnd:ServiceandRepairs

Page9–22

G210EngineServiceManual

3439-732RevA