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 cable 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.

Adjustments

Auger Control

Belt Cover

Figure 25. Auger Control and Belt Cover Location

Auger Drive

Clutch Cable

Adjustment

Hex Nut

Measure Spring Length, Spring Should Expand 5/16” When Auger is Engaged

Idler Rod

Right Handle

2.Check that there is no slack in the auger drive clutch cable (see Figure 26). If there is, follow the auger drive clutch cable Adjustment procedure on page 24.

3.Measure the length of the auger drive clutch spring (Figure 26).

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.Loosen the belt cover screws and remove the belt cover (Figure 25)

6.Loosen the adjustment bolt (see Figure 27) 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.

Figure 26. Auger Drive Clutch Cable

Auger Idler

 

Pulley

 

Auger Idler

 

Arm

 

Adjustment

Auger

Bolt

Drive Belt

 

Figure 27. 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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Page 26
Image 26
Snapper 555 manual Checking Auger Belt & Belt Guide Adjustments, Adjusting Auger Drive Belt
Page 25 Page 27

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