Service Manual

ManualsBrandsToro ManualsGas Snow BlowersPower Clear 721 R-C 21 in. 212 cc Commercial 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

CamshaftRemoval(continued)

g332956

Figure356

CamshaftInspection

1.Verifytheautomaticcompressionrelease(ACR)isfreetomove.

2.Inspectthecamgearteethfordamage.Replacethecamshaftifdamaged.

3.Verifybothofthecamlobesaretospecication.Ifnottospecication,

replacethecamshaft.

IntakeLobeStandard:27.70mm(1.0.9055inches)

IntakeLobeServiceLimit:27.45mm(1.08071inches)

ExhaustLobeStandard:27.75mm(1.09252inches)

ExhaustLobeServiceLimit:27.50mm(1.08268inches)

g338940

Figure357

4.Verifybothcamshaftbearingsaretospecication.Ifnottospecication,

replacethecamshaft.

Note:ReplacethecamshaftiftheACRisstickingorthespringisdamaged.

G210EngineServiceManual

Page9–13

EngineLowerEnd:ServiceandRepairs

3439-732RevA