Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Craftsman
Chipper/Shredder

Model # 987799840 Official Craftsman chipper/shredder

Here are the diagrams and repair parts for Official Craftsman 987799840 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 90 parts  |
Screw 1186308
#40

Replacement parts diagram

Screw

Part #1186308

Replaced by #710-0599

?
Manufacturer substitution
This part replaces 1186308. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
In Stock
V-belt 1762636
#55

Replacement parts diagram

V-belt

Part #1762636

Replaced by #1762636MA

?
Manufacturer substitution
This part replaces 1762636. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$26.32 | 
19% OFF Phone Price : $32.32
In Stock
Blade 1756904
#15

Cylinder assembly diagram

Blade

Part #1756904

Replaced by #1915700ZMA

?
Manufacturer substitution
This part replaces 1756904. Substitute parts can look different from the original.
This item is not returnable
$13.13 | 
13% OFF Phone Price : $15.13
In Stock
Screw 1100811
#67

Replacement parts diagram

Screw

Part #1100811

Replaced by #710-0606

?
Manufacturer substitution
This part replaces 1100811. Substitute parts can look different from the original.
This item is not returnable
$8.21 | 
11% OFF Phone Price : $9.21
In Stock
Washer 1701055
#17

Replacement parts diagram

Washer

Part #1701055

Replaced by #1701055

?
Manufacturer substitution
This part replaces 1701055. Substitute parts can look different from the original.
$10.40
In Stock
Nut 1186391
#7

Replacement parts diagram

Nut

Part #1186391

Replaced by #712-04054

?
Manufacturer substitution
This part replaces 1186391. Substitute parts can look different from the original.
$7.83
In Stock
Lock Nut 1733398
#29

Replacement parts diagram

Lock nut

Part #1733398

Replaced by #912-3000

?
Manufacturer substitution
This part replaces 1733398. Substitute parts can look different from the original.
This item is not returnable
$6.17
In Stock
Spacer 1762613
#4

Cylinder assembly diagram

Spacer

Part #1762613

Replaced by #1762613MA

?
Manufacturer substitution
This part replaces 1762613. Substitute parts can look different from the original.
This item is not returnable
$17.31
In Stock
Spacer 1762615
#6

Cylinder assembly diagram

Spacer

Part #1762615

Replaced by #1762615MA

?
Manufacturer substitution
This part replaces 1762615. Substitute parts can look different from the original.
This item is not returnable
$26.80
In Stock
Screw 1186310
#39

Replacement parts diagram

Screw

Part #1186310

Replaced by #1186310

?
Manufacturer substitution
This part replaces 1186310. Substitute parts can look different from the original.
This item is not returnable
$6.14
In Stock

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

View all

Why won't my pressure washer mix in the detergent?

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Read more

Why is smoke coming from the pressure washer's exhaust?

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Read more

Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

Read more

Why does my pressure washer's engine lose power?

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Read more

Why is the spray from my pressure washer weak?

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Read more

Why doesn't my pressure washer recoil starter work?

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Read more

Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

Read more

Why won't my pressure washer engine start?

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Read more

Why does water spray out of my pressure washer's pressure relief valve?

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Read more

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

View all
How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Read more
Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Read more
Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

View all
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.…

Read more
Choosing the correct spray tip for a pressure washer

Choosing the correct spray tip for a pressure washer

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…

Read more
Solving pressure washer problems

Solving pressure washer problems

Learn how to solve simple pressure washer problems.…

Read more

Parts & More