Ariens Sno-Thro 924117 - 1024 User Manual download pdf (Page 24)

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ATTACHMENT CLUTCH/BRAKE

ADJUSTMENT

(Figures 17 and 18)

1. Remove belt cover.

2. Check belt alignment (Figure 20).

Engine sheave and attachment pulley

must align vertically. Also, belt must be

centered in the idler pulley.

To align, move attachment pulley:

a.Loosen set screws.

b.Slide pulley and key to desired

position.

c.Tighten set screws.

3. Adjust cable slack.

IMPORTANT: The clutch cable must be slack

when the lever is disengaged.

a.With clutch lever disengaged, loosen

jam nut on cable adjuster.

b.Turn adjuster body to remove all slack

from the cable. Do not stretch spring

or move lower clutch arm.

c.Turn back the adjuster body 5 turns

(approximately 1/4 in or 6 mm). Finger

tighten jam nut.

d.Hold adjuster body with pliers and

tighten jam nut with wrench.

4. Check spring length.

a.Measure the length of the clutch cable

spring.

b.Engage and hold the attachment

clutch lever.

c.Measure the length of the spring

again. The spring should be

3/16 –7/16 in (5–11 mm) longer when

the lever is engaged.

5. Adjust spring lesngth.

NOTE: Approximately 1/8 in (3 mm)

movement of the idler will change spring

extension by 1/8 in (3 mm).

a.Loosen the idler adjustment nut.

b.To increase spring extension, move

idler towards belt (Figure 20).

c.To decrease spring extension, move

idler away from belt.

d.Tighten idler adjustment nut.

6. Place unit in service position. Remove

bottom cover by removing four cap

screws.

7. Check brake.

When the clutch lever is disengaged, the

brake must contact attachment belt.

When the clutch lever is engaged, the

brake must be more than 1/16 in (1.6 mm)

away from the belt (Figure 18).

8. Repeat steps 4 – 7 until:

Spring stretch and brake contact are

correct.

9. Check belt ﬁnger clearance (Figure 20).

With clutch lever engaged, belt ﬁngers

should be 1/16 – 1/8 in (1.6 –3 mm) from

belt. Adjust belt ﬁngers as necessary.

10. Replace belt cover and bottom cover.

IMPORTANT: IMPROPER

ADJUSTMENT could result in

unexpected movement of auger and

impeller causing death or serious

injury. Auger / impeller must stop

within 5 seconds when Attachment

Clutch/Impeller Brake lever is

released.

Figure 17

OS1182

2

3

4

5

6

7

1

8

9

10

3/16 –7/16 in

(5–11mm)

1. Attachment

Clutch Cable

2. Cable Adjuster

3. Jam Nut

4. Clutch Cable

Spring

5. Lower Clutch

Arm

6. Lever Arm

7. Cotter Pin and

Washer

8. Adjustment Nut

9. Shift Rod

10.Traction Drive

Clutch Cable

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