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.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 106 parts  |

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
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
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
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
Bolt 1186469
#18

Hopper assembly diagram

Bolt

Part #1186469

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

Nut 1186391
Nut

Part #1186391

Replaced by #712-04054

?
Manufacturer substitution
This part replaces 1186391. Substitute parts can look different from the original.
In Stock
Nut 1186393
Nut

Part #1186393

Replaced by #1186393

?
Manufacturer substitution
This part replaces 1186393. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer 1177548
#3

Cylinder assembly diagram

Washer

Part #1177548

Replaced by #736-0607

?
Manufacturer substitution
This part replaces 1177548. Substitute parts can look different from the original.
This item is not returnable
$5.11
16% OFF Phone Price : $6.11
In Stock
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
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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

Tips to find your model number

Product type
Select appliance
Dropdown Icon

Model numbers typically look like this:

Model Finder Help 1Model Finder Help 2