Ariens 911086 - LM21 User Manual download pdf (Page 18)

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TROUBLESHOOTING

PROBLEM PROBABLE CAUSE CORRECTION

Engine will

not start

1. Fuel tank empty or low.

2. Spark plug wire loose or off.

3. Engine/Blade control cable

detached, broken, or not

adjusted properly.

1. Check fuel level. Fill tank if

necessary.

2. Check connection.

3. Check cable. Adjust, repair

or replace as necessary.

Engine is

difficult to

restart

1. Mower clogged with grass. 1. Clear clippings from under

mower. (Allow the mower to

clear clippings before

shutting off engine.)

Cut is poor

1. Worn blade.

2. Too much grass is being

removed per cutting.

3. Grass is too wet.

4. Mowing speed is too fast.

1. Check blade (See

Maintenance).

2. Raise cutting height.

3. Allow grass to dry.

4. Mow slower.

Grass does

not disperse

evenly

1. Too much grass is being

removed per cutting.

2. Grass is too wet.

3. Mowing speed is too fast.

1. Raise cutting height.

2. Allow grass to dry.

3. Mow slower.

Mower does

not bag

clippings

1. Grass bag is overfilled.

2. Mulching plug is installed.

1. Empty grass bag and do not

allow it to overfill.

2. Remove mulching plug.

Wheel drive

does not

engage (Self-

Propelled

models).

1. Wheel drive control not

engaged.

2. Drive belt out of position.

3. Drive belt worn or damaged.

4. Rear wheels in different cutting

heights.

5. Idler spring detached.

6. Wheel drive control cable

detached or broken.

7. Friction disc not adjusted

properly or damaged.

8. Bearings damaged.

9. Debris in gear set.

1. Engage wheel drive control.

2. Check drive belt. Adjust as

necessary (See Service and

Adjustments).

3. Replace belt (See Service

and Adjustments).

4. Adjust rear wheels to same

cutting height (See

Operation).

5. Attach idler spring to notch

on idler arm. Contact your

Dealer.

6. Check wheel drive control

cable. Adjust or replace as

needed. See Service and

Adjustments.

7. Contact your Dealer.

8. Contact your Dealer.

9. Contact your Dealer.

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