Simplicity-manufacturing L1428E User Manual download pdf (Page 18)

Large Frame Snowthrowers

TP 300-4458-00-LW-SN 07/200718

Figure 11. Belt Cover

A. Belt Cover

B. Screws

Figure 12. Auger Belt Deflection

A. Engine Drive Pulley

B. Idler Pulley (Engaged Position)

C. Auger Drive Pulley

D. Nut

E. Auger Belt

1/2” (12.5mm)

Deflection

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. Loosen screw (B, Figure 11) from belt cover (A).

Remove belt cover (A).

3. Loosen nut (D, Figure 12) on auger idler pulley (B)

and move auger idler pulley towards belt about 1/8

inch (3mm).

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

12). You may have to move the idler pulley more

than once to obtain the correct tension.

6. Reinstall belt cover (A, Figure 11) securing with

screws (B).

7. Whenever belts are adjusted or replaced, the auger

drive or traction drive controls will need to be

adjusted. (see Auger Drive or Traction Drive

Adjustment in this section of the manual).

8. Attach the spark plug wire.

9. Auger must stop within 5 seconds.

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.

Note: After adjustments are complete, make sure the

drive disengages when released.

Belt Adjustment

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Simplicity-manufacturing L1428E User Manual Page 18

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