Model # CP771 Official Chicago Pneumatic impact wrench

Here are the diagrams and repair parts for Official Chicago Pneumatic CP771 impact wrench, 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.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 63 parts |

#154

Cabinet parts diagram

Handle

Part #CA048548

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

#15

Cabinet parts diagram

Part #CA144836

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

Cabinet parts diagram

Spacer

Part #CA149095

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

#149

Cabinet parts diagram

Screw

Part #CA129678

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

#16

Cabinet parts diagram

Seat

Part #C139037

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

Cabinet parts diagram

Bushing

Part #CA148714

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

#107B

Cabinet parts diagram

Ring

Part #CA094791

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

#39

Cabinet parts diagram

Spring

Part #CA147021

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

#147

Cabinet parts diagram

Shank

Part #CA157120

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

#150

Cabinet parts diagram

Lock washer

Part #CA129679

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

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

View all

Why is the water in my washing machine the wrong temperature?

Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water tem…

Why does my washing machine overfill?

Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board…

Why doesn't my washing machine work at all?

Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interf…

Why your washing machine won't finish its cycle

Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system…

Why won't my washing machine agitate or spin?

Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspensio…

Why won't my washing machine fill?

Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lo…

Why won't my washing machine start?

Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve a…

Why won't my washing machine drain?

Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control b…

Why is my washing machine noisy or shaking?

Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in…

Effective articles & videos to help repair your washers

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

View all

How to use your washing machine efficiently

Find tips for using your washing machine efficiently to save energy and help reduce utility bills.…

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.…

Top questions about Sears and Sears PartsDirect

Model # CP771 Official Chicago Pneumatic impact wrench

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your washers

Why is the water in my washing machine the wrong temperature?

Why does my washing machine overfill?

Why doesn't my washing machine work at all?

Why your washing machine won't finish its cycle

Why won't my washing machine agitate or spin?

Why won't my washing machine fill?

Why won't my washing machine start?

Why won't my washing machine drain?

Why is my washing machine noisy or shaking?

Effective articles & videos to help repair your washers

How to use your washing machine efficiently

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

Top questions about Sears and Sears PartsDirect

Parts & More

Stay Connected

Quick links

Let us help you

More resources