Service Parts; Accessories - Gravely 911530 - Pro 21 SCH Owner's/Operator's Manual

PROBLEM
Cut is poor
Grass does not
disperse
evenly
Mower does
not bag
clippings
Wheel drive
does not
engage.

SERVICE PARTS

Always use genuine Gravely parts to keep
your mower running like new.
Mower Model
Air Filter 21535600
Oil Filter 08266101
Spark Plug 21534100
Blade 01137000 (Standard)
01182400 (Tungsten)
Drive Belt 07217100
Friction Disc 03240700
PROBABLE CAUSE
1. Worn blade.
2. Too much grass is being
removed per cutting.
3. Grass is too wet.
4. Mowing speed is too fast.
1. Too much grass is being
removed per cutting.
2. Grass is too wet.
3. Mowing speed is too fast.
1. Grass bag is overfilled.
2. Mulching plug is installed.
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.
911530
CORRECTION

ACCESSORIES

See your authorized Gravely dealer to add
these optional accessories.
71102400
71102700
71103000
71103200
71103500
71103700
71103900
71104100
GB - 20
1. Check blade (See
Maintenance).
2. Raise cutting height.
3. Allow grass to dry.
4. Mow slower.
1. Raise cutting height.
2. Allow grass to dry.
3. Mow slower.
1. Empty grass bag and do not
allow it to overfill.
2. Remove mulching plug.
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.
Dethatcher
Mulchmaster Plug
Grass Bag
Rear Discharge Chute
Mulchmaster Mulching Kit
Leaf Shredder
Straight Axle Kit
Front Swivel Wheel Kit