Belt Adjustment - Simplicity SMI I924E Operator's Manual

Adjustments

BELT ADJUSTMENT

Auger Drive Belt
If your snowthrower will not discharge snow, check
the control cable adjustment. If it is correct, then
check the condition of the auger drive belt. If it is
damaged or loose, replace it. See "Belt Replacement"
in this section of the manual.
1. Disconnect spark plug wire.
2. Remove screw (B, Figure 26) from belt cover (A).
Remove belt cover (A).
3. Loosen nut (D, Figure 27) on auger idler pulley (B)
and move auger idler pulley towards belt about 1/8
inch (3 mm).
4. Tighten nut (D).
5. Engage auger drive clutch. Check tension on belt
(opposite idler pulley). Belt should deflect about
1/2 inch (12.5 mm) with moderate pressure (see
Figure 27). You may have to move the idler pulley
more than once to obtain the correct tension.
6. Reinstall belt cover (A, Figure 26) securing with
screws (B).
7. Whenever belts are adjusted or replaced, the
cables will need to be adjusted. See "Cable
Adjustment" in this section of the manual.
8. Attach the spark plug wire.
Traction Drive Belt
The traction drive belt has constant spring pressure
and does not require an adjustment. If the traction
drive belt is slipping,replace the belt. See "Belt
Replacement" in this section of the manual.
Note: After adjustments are complete, make sure the
drive disengages when released.
28
B
Figure 26. Belt Cover
A. Belt Cover
B. Screws, 1/4-20
A
B
D
C
Figure 27. Auger Belt Deflection
A. Engine Drive Pulley
B. Idler Pulley (Engaged Position)
C. Auger Drive Pulley
D. Nut
E. Auger Belt
B
A
E
1/2" (12.5 mm)
Deflection