Husqvarna 521SSE manual Maintenance, HOW to Adjust the Belt Tension, HOW to Replace the Auger Belt

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MAINTENANCE

HOW TO ADJUST THE BELT TENSION

IMPORTANT: When you release the auger bail, the au- ger must stop rotating. If the auger does not stop, ad- just the belt tension as follows:

1.Disconnect the spark plug wire from the spark plug.

2.Remove the belt cover.

3.Loosen the idler pulley nut (see Figure 15).

4.Move the idler pulley to the bottom of the idler arm slot. If the idler pulley is already in the bottom posi- tion, replace the auger belt. See How To Replace The Auger Belt in the Maintenance section.

5.Tighten the idler pulley nut.

6.Install the belt cover.

HOW TO REPLACE THE AUGER BELT

1.Disconnect the spark plug wire from the spark plug.

2.Remove the belt cover (see Figure 12).

3.Remove the belt guide (see Figure 15).

4.Remove the auger belt from the engine drive pulley.

5.Push down the idler arm to move the brake away the auger drive pulley. Remove the auger belt from the auger drive pulley.

6.Loosen the idler pulley nut. Move the idler pulley to the top of the idler arm slot. Tighten the idler pulley nut.

7.Install a new auger belt.

8.Install the belt guide. Make sure the fasteners that secure the belt guide are tight.

9.Check the operation. When you release the auger bail, the auger must stop turning. When you engage the auger bail, there MUST be clearance between the brake arm and the auger drive pulley.

10.When you release the auger bail, the auger must stop rotating. Make sure the brake contacts the auger drive pulley (Figure 15) and that the auger cable spring (Figure 14) has slack (no tension). If not, check the cable spring adjustment as follows:

11.Remove the boot from the auger cable spring as fol- lows:

S Disconnect the end of the idler spring from the idler arm (see Figure 15).

S Remove the auger belt from the idler pulley.

S Remove the end of the auger cable spring from the auger bail (see Figure 14).

S Remove the boot from the auger cable spring.

S Attach the end of the auger cable spring to the auger bail.

12.To adjust the auger cable spring:

S Install the auger belt to the idler pulley (see Figure 15).

S Attach the idler spring to the idler arm.

S Loosen the jam nut (see Figure 14).

S Turn the adjuster until the auger cable is slightly slack.

S Tighten the jam nut.

13.Remove the idler spring from the idler arm (see Figure 15). Remove the auger belt from the idler pulley. Install the boot onto the auger cable spring.

14.Install the auger belt, idler spring, and belt cover.

Auger Cable Spring

Auger

Boot

Bail

 

Jam Nut

 

Adjuster

 

Auger Cable

 

 

Figure 14

 

 

Idler

Idler Pulley

Auger

Idler Arm

Spring

 

 

Idler Pulley

Brake

 

Drive

 

Nut

 

 

Pulley

 

 

Engine Drive

 

 

 

Pulley

 

Auger

 

Belt Guide

 

 

 

 

Belt

 

 

 

 

 

Figure 15

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Contents Operator’s Manual 1740274Introduction For Your RecordsOperating Symbols and their meanings Rules for Safe OperationTraining Children Table of Contents Safety Decals Identifying Your SnowthrowerHUSQVARNA’S Obligations Under the Warranty OWNER’S Information Warranty StatementLimited Warranty Items not Covered by this Warranty Procedure to Obtain Warranty ConsiderationExceptions and Limitations Customer ResponsibilitiesAssembly Parts Bags ContentsTools Required for Assembly HOW to Remove the Snow Thrower from the CartonHOW to Assemble the Handle HOW to Install the ChuteChecklist Engine and Snow Thrower Operating Controls OperationKnow Your Snowthrower HOW to Stop the Snowthrower HOW to Control Snow DischargeHOW to Throw Snow HOW to Move ForwardBefore Starting the Engine HOW to MIX the Fuel MixtureFuel Mixture Chart mixture HOW to Stop the Engine HOW to Start the EngineHOW to Start a Cold Engine Switch boxHOW to Clear a Clogged Discharge Chute Snow Throwing TipsDRY and Average Snow WET Packed SnowService Recommendations Service RecommendationsAfter Each USE LubricationHOW to Lubricate the Idler ARM HOW to Replace the Auger Belt MaintenanceHOW to Adjust the Belt Tension HOW to Replace the Scraper Blade HOW to Free the Auger CableIt cannot make contact with the spark plug HOW to Adjust the Chute CrankHOW to Adjust the Auger Control Cable HOW to Replace the Drive Belt HOW to Replace the Auger This Spark Ignition System Complies with Canadian ICES-002 To Adjust the CarburetorTo Adjust or Replace the Spark Plug Removing the Snowthrower from Storage StorageOFF Season Storage Trouble Shooting Chart Problem Look for Remedy