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Service parts, Accessories – Gravely 911530 - Pro 21 SCH User Manual

Page 20

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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.

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.

PROBLEM

PROBABLE CAUSE

CORRECTION

SERVICE PARTS

Always use genuine Gravely parts to keep
your mower running like new.

Mower Model

911530

Air Filter

21535600

Oil Filter

08266101

Spark Plug

21534100

Blade

01137000 (Standard)
01182400 (Tungsten)

Drive Belt

07217100

Friction Disc

03240700

ACCESSORIES

See your authorized Gravely dealer to add
these optional accessories.

71102400

Dethatcher

71102700

Mulchmaster Plug

71103000

Grass Bag

71103200

Rear Discharge Chute

71103500

Mulchmaster Mulching Kit

71103700

Leaf Shredder

71103900

Straight Axle Kit

71104100

Front Swivel Wheel Kit