Ariens SNO-THRO 008-SS322E User Manual download pdf (Page 19)

Clutch and Brake

Impeller Control Cable Adjustment

For Brake to function properly, there must ALWAYS be

some slight, noticeable slack in the Control Cable Inner

Wire when the Impeller Clutch Ball is disengaged

(lowered position). This allows Extension Spring to pull

Idler Arm/Brake, braking Belt. Bail should travel 6-3/4 to

7-1/4“ (17.1-18.4 cm) before contacting Handlebar. If

Brake does not stop Impeller within 5 seconds of

releasing Impeller Clutch Bail, Inner Wire slack must be

adjusted.

A properly adjusted Clutch must show a noticeable

increase in resistance (caused by stretch of Control

Cable Spring) before Impeller Clutch Bail contacts

Handlebar. At factory adjustment, increase occurs 1 to

1-1/2" (2.5-3.8 cm) from Handlebar. As Drive Belt seats

and wears, increase in resistance will occur closer to

Handlebar contact. If no resistance occurs. Inner Wire

slack must be adjusted.

To adjust Inner Wire (Figure 12);

• Use Adjusting Nuts on Control Cable to remove

almost all slack in Inner Wire.

IMPORTANT: If there is still no resistance, the Idler

Position must be adjusted.

Idler Position Adjustment

For proper operation, the Idler must be as close as

possible to the Drive Belt when the Impeller Clutch Bail

is disengaged (lowered position), but not so close that it

causes Impeller rotation. To adjust the Idler position

(Figure 13):

1. Shut off engine, allow to cool, and remove Cowl.

ROTATING PARTS can result in

serious injury or death. ALWAYS

keep hands and feet away. DO NOT

wear loose clothing or scarves that

may get caught in rotating parts.

2. Ensure Control Cable Inner Wire has slack when

Impeller Clutch Bail is disengaged (lowered

position).

3. Ensure Belt Fingers are properly adjusted (see

Drive Belt Replacement).

4. Loosen Idler hardware, reposition Idler along Slot in

Idler Arm, and tighten hardware.

5. Check for proper Impeller Clutch Bail resistance.

NOTE: It may be desirable to leave extra slack in the

Control Cable Inner Wire so Bail resistance is not

uncomfortably strong when held up against the

Handlebar.

6. Start engine and ensure Impeller does not rotate

when Impeller Clutch is disengaged.

7. Repeat the above steps until proper adjustment is

achieved.

IMPORTANT: If adjustment cannot be achieved, the

Drive Belt must be replaced.

8. Replace Cowl.

1. Control Cable Inner Wire

2. Adjusting Nuts

Figure 12

1.Extension Spring

2.Idler Arm/Brake

3.ldler

4.Slot

5.Belt Finger

B.Impeller Clutch Control Cable & Spring

7.Drive Belt

8.Impeller Drive Pulley

9.Cap Screw & Washer on Impeller Shaft

Figure 13

Ariens® Sno-Thro® Orig. 4/96

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Ariens SNO-THRO 008-SS322E User Manual Page 19

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