To adjust traction clutch (Figure 19):

1.Loosen jam nut on traction clutch cable adjustment barrel.

Turn adjustment barrel up the cable to decrease the distance between clutch lever and handlebar.

Turn the adjustment barrel down the cable to increase the distance between clutch lever and handlebar.

2.Check traction clutch lever distance and repeat adjustment steps if necessary.

3.Tighten jam nut on traction cable adjustment barrel.

1

3

2

1. Traction Clutch

Cable

2. Jam Nut

3. Adjustment Barrel

Figure 19

ATTACHMENT DRIVE BELT

REPLACEMENT

Remove Attachment Drive Belt

(Figures 20 and 21)

1.Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely.

2.Remove two screws securing belt cover to unit and remove belt cover.

3.Remove belt fingers by removing cap screws mounting belt fingers to engine (Figure 21).

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

IMPORTANT: To avoid bending bottom cover, remove the cover before separating the blower housing from the unit.

4. Support Sno-Thro frame and housing.

5.Remove top two cap screws and loosen lower two cap screws holding blower housing to frame (one on each side).

6.Remove attachment drive belt from engine sheave (it may be necessary to turn engine sheave using recoil starter handle).

7.Separate housing from unit. Lower handlebar on floor.

8.Remove attachment drive belt from lower pulley.

1

2

 

3

 

OS7240

 

4

5

 

1. Discharge Chute

3. Bottom Cover

Handle

4. Belt Cover Screw

2. Belt Cover

5. Housing Bolt Holes

Figure 20

Replace Attachment Drive Belt

1.Place new belt onto lower pulley and while holding brake out of way, tip unit together.

NOTE: Engage attachment clutch lever while connecting housing to frame to hold brake out of the way.

2.Secure blower housing to frame with cap screws removed in step 5 of Remove Attachment Drive Belt on page 18.

3.Place belt onto engine sheave.

4.Replace belt fingers.

IMPORTANT: BELT FINGERS MUST BE SET as shown in Figure 22. Improper adjustment may cause impeller to rotate while attachment clutch is disengaged.

5.Adjust clutch per Attachment Clutch/Brake Adjustment on page 16.

6.Replace belt cover and secure with cap screws.

7.Run-in the drive belt according to instructions in Run-in Attachment Belt on page 8 and the check attachment drive clutch adjustment. See Attachment Clutch/Brake Adjustment on page 16.

GB - 18