CAUTION: Always support Sno- Thro frame and blower housing when loosening the cap screws holding them together. Never loosen cap screws while unit is in service position.

10.Remove hex bolts securing housing to frame (two on each side). Tip housing and frame apart on pivot pin (Figure 44).

11.Remove attachment drive belts from attachment pulley (hold brake away from belt).

921013, 019, 020, 022, 023

23

1

921017, 018

4. Reposition and secure belt finger.

IMPORTANT: With clutch lever engaged, belt finger on the side opposite the belt idler should be less than 1/8 in. (3 mm) from belt, but not touching the belt. Adjust belt finger as necessary.

2

1

7

 

 

 

 

4

 

3

 

5

 

6

 

 

 

1.

Traction Drive

5.

Attachment

 

Belt

 

Belt Idler

2.

Engine

6.

Attachment

 

Sheave

 

Idler

3.

Attachment

 

Adjustment

 

Drive Belts

 

Nut

4.

Belt Finger

7.

Traction Belt

 

 

 

Idler

2

1

3

4

Figure 45

5.Check adjustment. See Attachment Clutch/Brake Adjustment on page 29.

WARNING: AUGER / IMPELLER MUST STOP within 5 seconds when attachment clutch lever is released or unit damage or serious injury may result.

1.Belt Cover

2.Chute Gear Cover

3.Discharge Chute Rod

4.Chute Lock Cable

Figure 44

6.Reconnect chute crank and secure with spring clip (921013, 019, 020, 022, 023) or hairpin (921017, 018).

IMPORTANT: Reconnect chute lock cable and deflector cable (if equipped).

7.Replace belt cover and tighten hardware.

Install new attachment drive belts:

1.Place new attachment belts onto attachment pulley.

NOTE: Holding down the attachment clutch lever will make it easier to reconnect the housing and frame.

2.Tip housing and frame back together and secure with hex bolts.

3.Place belts onto engine sheave.

TRACTION DRIVE BELT

REPLACEMENT

NOTE: Replacement will be easier with housing and frame tipped apart and bottom cover off.

1.Remove attachment drive belts (see Attachment Drive Belt Replacement on page 32).

GB - 33