Ariens 911094 - Pro 21SCH User Manual download pdf (Page 19)

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4. Tighten lower

cable nut to 1/8"

(3 mm) below

bracket.

Release z-bend

bracket.

5. Tighten upper

cable nut until

bracket is secure

between cable

nuts.

6. Engage engine/blade control. Measure

distance between middle of z-bend and

cable bracket. Measurement should be

as shown below.

7. If correct measurement cannot be set,

contact your local dealer.

DRIVE BELT REPLACEMENT

(self-propelled models)

To remove drive belt:

1. Disconnect spark plug wire.

2. Set the right rear wheel to its lowest

cutting height, and the left rear wheel to

the third cutting height. This position

provides clearance between friction disc

and drive sheave.

3. Remove belt from the idler, then the

drive sheave, and finally, the engine

pulley (Figure 13).

4. Pull belt through opening under mower

pan and over blade.

5. Make sure the idler pulley turns and the

idler arm moves freely.

6. Reinstall drive belt in reverse order.

IMPORTANT: Be sure the belt seats in

sheave and pulley grooves with the idler

touching the back (flat) side of belt.

7. Adjust rear wheels to the same cutting

height.

1/8

(3 mm)

OM1020

OM1030

OM10

51

Briggs Engines:1.325"-1.788" (3.4 cm - 4.5 cm)

Honda Engines: 1.65"-1.69" (4.2 cm - 4.3 cm)

Figure 13

1. Blade

2. Idler

3. Drive Sheave

4. Drive Belt

5. Engine Pulley

6. Bolt, Lock

Washer &

Flat Washer

5

6

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