WW Grinder
Chipper/Shredder

Model # 79786 Official WW Grinder chipper/shredder

Here are the diagrams and repair parts for Official WW Grinder 79786 chipper/shredder, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 106 parts  |

Bolt 1186469
#18

Hopper assembly diagram

Bolt

Part #1186469

The manufacturer no longer makes this part, and there's no substitute part

Nut 1186389
#10

Hopper assembly diagram

Nut

Part #1186389

Replaced by #1186389

?
Manufacturer substitution
This part replaces 1186389. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw 1186329
#32

Main frame assembly diagram

Screw

Part #1186329

Replaced by #710-04043

?
Manufacturer substitution
This part replaces 1186329. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw 1100913
Screw

Part #1100913

Replaced by #710-3001

?
Manufacturer substitution
This part replaces 1100913. Substitute parts can look different from the original.
In Stock
Screw 1741832
#27

Main frame assembly diagram

Screw

Part #1741832

Replaced by #710-0433

?
Manufacturer substitution
This part replaces 1741832. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lock Nut 1734398
#6

Hopper assembly diagram

Lock nut

Part #1734398

The manufacturer no longer makes this part, and there's no substitute part

Flange 1186328
Flange

Part #1186328

Replaced by #710-04049

?
Manufacturer substitution
This part replaces 1186328. Substitute parts can look different from the original.
In Stock
Washer 1100255
#8

Main frame assembly diagram

Washer

Part #1100255

Replaced by #736-0262

?
Manufacturer substitution
This part replaces 1100255. Substitute parts can look different from the original.
This item is not returnable
$5.11
16% OFF Phone Price : $6.11
In Stock
Cap Screw 1186309
#4

Hopper assembly diagram

Cap screw

Part #1186309

Replaced by #1186309

?
Manufacturer substitution
This part replaces 1186309. Substitute parts can look different from the original.
This item is not returnable
In Stock
Nut 1186391
Nut

Part #1186391

Replaced by #712-04054

?
Manufacturer substitution
This part replaces 1186391. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…