1/8 in. (3.2 mm)

(Maximum)

1 1

3

2

 

 

2

OS8170

 

 

1. Swing Gate Spacer

1.

Belt Finger

2. Swing Gate Finger

3.

Drive Plate

2.

Belt

 

Figure 21

 

Figure 20

 

 

OS8165

 

TRACTION DRIVE BELT

REPLACEMENT

(Figures 18, 19, 20, 21 and 22)

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

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

1.Remove attachment drive belt (See Remove Attachment Drive Belt on page 21).

NOTE: To gain belt clearance, remove swing gate spacer (Figure 21) so drive plate can be slid over until finger is out of frame and drive plate can swing past stop hole in frame (Figure 22).

3

2

1. Swing Gate

1

2.Swing Gate Finger

3.Drive Plate

Figure 22

OS8068

2.Pull idler away from traction drive belt and remove belt from idler, crankshaft pulley and driven pulley (it may be necessary to turn crankshaft pulley using recoil starter handle).

3.Replace traction drive belt.

4.Swing drive plate toward friction disc to slide finger into stop hole in frame. Reinstall swing gate spacer.

NOTE: Make sure drive plate spring remains connected to the frame and drive plate.

5.Replace attachment drive belt (See Replace Attachment Drive Belt on page 22).

GB - 23