1/8 to 3/16 in.

 

(3.2–4.8 mm)

2

 

1

1

 

2

1/8 to 3/16 in.

 

 

(3.2–4.8 mm)

 

1. Belt Finger

 

2. Belt

 

Figure 22

TRACTION DRIVE BELT REPLACEMENT

NOTE: Housing and frame must be tipped apart and attachment drive belt removed from engine sheave in order to change traction drive belt (Figures 20 and 21).

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.

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

2.Remove attachment drive belt (See Remove Attachment Drive Belt on page 20).

3.Push the traction drive belt off the engine pulley toward the engine as shown in Figure 23.

NOTE: To make belt removal easier, slowly pull the recoil starter while pushing the traction drive belt off the engine pulley.

Position the traction drive belt on the engine sheave like this when removing and installing it.

Figure 23

4.Remove and discard traction drive belt from the unit.

5.Place new traction drive belt on engine pulley between the engine and pulley groove as shown in Figure 23.

6.Place new traction drive belt on transmission pulley.

7.Push the new traction drive belt onto the grooves in the engine pulley.

NOTE: Slowly pull the recoil starter while pushing the traction drive belt onto the engine pulley. Make sure the belt seats properly in the grooves of the transmission and engine pulleys.

8.Replace attachment drive belt (See Replace Attachment Drive Belt on page 20).

9.Check traction drive clutch adjustment. See Traction Drive Clutch Adjustment on page 19.

STORAGE

WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.

SHORT TERM

IMPORTANT: NEVER spray unit with high pressure water or store unit outdoors.

Run with attachment clutch engaged a few minutes after each use to free unit of any loose or melting snow.

Inspect unit for visible signs of wear, breakage or damage.

GB - 21