Simplicity 555, 755 Checking Auger Belt & Belt Guide Adjustments, Adjusting Auger Drive Belt

Page 29

DRIVE BELT ADJUSTMENT (Continued)

If the auger drive slips (auger slows or doesn't rotate nor- mally while blowing snow), or stays engaged when the control is disengaged — and the auger clutch rod has been properly adjusted — the auger drive belt may be out of adjustment.

WARNING

Auger must NOT rotate unless the Auger Control lever has been depressed. Proper Auger Drive Belt adjustments stop the auger within 5 seconds after the Auger Control is disengaged.

Checking Auger Belt & Belt Guide Adjustments

1.Insert the Engine Key and start the Snowthrower.

2.Engage and disengage the Auger Control a series of ten times, checking that the auger comes to a com- plete stop within 5 seconds after the control is disen- gaged each time.

3.If the auger comes to a complete stop each time with- in 5 seconds, the adjustment is correct. If the auger does NOT come to a complete stop within the neces- sary 5 seconds, the adjustment is incorrect: readjust- ing the Auger Belt & Belt Guide according to the pro- cedures below.

Adjusting Auger Drive Belt

1.Make certain that the snowthrower is off, the Engine Key has been removed, and the spark plug discon- nected.

2.Check that there is no slack in the auger drive clutch rod (see Figure 25). If there is, follow the Auger Drive Clutch Rod Adjustment procedure on page 24.

3.Measure the length of the auger drive clutch spring (Figure 25).

4.Fully depress the auger control and measure the expanded length of the spring.

The spring should expand 19/64”-5/16”. If the spring deflection is less than 19/64”-5/16” the auger idler pulley must be adjusted. Proceed to step 5.

5.Using a 3/8” wrench, loosen the Belt Cover screws and remove the Belt Cover.

6.Loosen the adjustment bolt (see Figure 26) and move the auger idler pulley.

7.Tighten the adjustment bolt and repeat steps 3-4.

8.Test run the unit. The auger must NOT rotate unless the Auger Control lever has been depressed. Proper Auger Drive Belt adjustments stop the auger within 5 seconds after the Auger Control is disengaged. If the auger drive fails either of these tests, repeat the adjustment procedures.

Adjustments

Auger Control

Belt Cover

Figure 24. Auger Control and Belt Cover Location

Auger Drive

Clutch Rod

Adjustment

Hex Nuts

Auger Drive

Clutch Rod Spring

Measure Spring

Length, Spring

Should Expand

5/16” When Auger

is Engaged

Idler Rod

Right Handle

Figure 25. Auger Drive Clutch Rod

Auger Idler

 

Pulley

 

Auger Idler

 

Arm

 

Adjustment

Auger

Bolt

Drive Belt

 

Figure 26. Auger Drive Belt, Guide and Pulley

9.After adjusting the Auger Drive Belt, the Auger Belt Guide MUST BE adjusted according to the Adjusting Auger Belt Guide procedure which follows.

25

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Contents Operator’s Manuals Print Vendor InstructionsPage Models OPERATOR’S ManualPage Table of Contents Do Not Safety Rules & InformationChildren Safety RulesTraining Maintenance and StoragePreparation OperationCE Identification TAG Markings Identification NumbersNorth American CE ModelsGeneral Safety DecalsNorth American Model Decals CE Model DecalsCE Safety Icons & Compliance Specs Features, Controls, & Operation Control Locations Features & ControlsStarting Controls Engine ControlsUnits with Optional Electric Start Manual StartAuger Control Ground Speed ControlsDeflector Controls Scraper HeightChecks Before Each START-UP OperationStarting the Engine Engine Speed Operating the SnowthrowerGround Speed Selector Scraper BAR & Skid Shoes DeflectorKlik-Pin Outer Hole FREE-WHEELING Traction Drive LockAfter Each USE Schedule RegularChecking Tire Pressure Check Auger Gear Case LubricationCheck / Lubricate FREE-HAND Linkage LubricationStarting After Long Term Storage StorageLong Term Storage Longer than 30 Days Engine fails to start TroubleshootingEngine starts hard or runs poorly Auger does not rotateAuger does not stop when auger Scraper bar does not clean hardAuger rotates, but snow is not Thrown far enoughTraction Drive Clutch ROD Adjustment AdjustmentsInitial Adjustment Run-In AdjustmentWorm Assembly Discharge Chute Worm Assembly AdjustmentAdjustment Screw Discharge ChuteRelease Auger Control. Auger must stop within 5 seconds Auger Drive Clutch ROD AdjustmentDrive Belt Adjustment Belt Cover Checking Auger Belt & Belt Guide AdjustmentsAdjusting Auger Drive Belt Drive Belt Replacement Adjustments & ServiceAdjusting Auger Belt Guide Traction Drive Belt ReplacementAuger Drive Belt Replacement ServiceShear PIN Replacement Roller Chain ReplacementPins Keeper linkDimensions SpecificationsEngine ChassisTechnical Manuals Replacement PartsMaintenance Items

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