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Chicago Pneumatic
Impact Wrench

Model # CP-740-TL-2 Official Chicago Pneumatic 1/2" square drive air wrench

Here are the diagrams and repair parts for Official Chicago Pneumatic CP-740-TL-2 1/2" square drive air wrench, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 58 parts  |
O-ring C-087266
#68

Unit parts diagram

O-ring

Part #C-087266

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

Oil Seal CA-088095
#115

Unit parts diagram

Oil seal

Part #CA-088095

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

Cap CA-091545
#1

Unit parts diagram

Cap

Part #CA-091545

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

Screw C-089718
#271

Unit parts diagram

Screw

Part #C-089718

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

Trigger CA-099927
#14

Unit parts diagram

Trigger

Part #CA-099927

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

Pin CA-059034
#16

Unit parts diagram

Pin

Part #CA-059034

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

Spring CA-046613
#3

Unit parts diagram

Spring

Part #CA-046613

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

Screw CA-047653
#40

Unit parts diagram

Screw

Part #CA-047653

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

Lock Washer S-091250
#46

Unit parts diagram

Lock washer

Part #S-091250

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

Pin-clt Dog CA-088864
#92

Unit parts diagram

Pin-clt dog

Part #CA-088864

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

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

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for treadmills

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

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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.…

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Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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