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GB - 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 19, 20, 21, 22 and 23)
1. Remove attachment drive belt (See
Remove Attachment Drive Belt on
page 20).
NOTE: To gain belt clearance, remove swing
gate spacer (Figure 22) so drive plate can be
slid over until finger is out of frame and drive
plate can swing past stop hole in frame. See
Figure 23.
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 21).
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.
Figure 21
1. Belt Finger
2. Belt
1
2
OS8165
1/8 in. (3.2 mm)
(Maximum)
Figure 22
OS8170
1. Swing Gate Spacer
2. Swing Gate Finger
3. Drive Plate
3
1
2
Figure 23
OS8068
1. Swing Gate
2. Swing Gate Finger
3. Drive Plate
3
1
2