Power Tool

Model # 1077 Official Ingersoll Rand air tool

Here are the diagrams and repair parts for Official Ingersoll Rand 1077 air tool, as well as links to manuals and error code tables, if available.

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Browse Parts for
1077 Air Tool
Lever 107-273
#4

Unit diagram

Lever

Part #107-273

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

Rotor 107-53
#14

Unit diagram

Rotor

Part #107-53

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

End Plate 107-12
#13

Unit diagram

End plate

Part #107-12

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

Washer 1077-46
#45

Unit diagram

Washer

Part #1077-46

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

Housing 107-A40
#1

Unit diagram

Housing

Part #107-A40

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

Spacer 107-118
#26

Unit diagram

Spacer

Part #107-118

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

Yoke 107-37
#34

Unit diagram

Yoke

Part #107-37

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

Screw 107-303

#NI

All parts diagram

Screw

Part #107-303

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

Gear Shaft 107-524
#23

Unit diagram

Gear shaft

Part #107-524

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

Bearing 107-97
Bearing

Part #107-97

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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

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

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

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

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

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

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

Repair guides for treadmills

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

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…

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…

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'…

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.

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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

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…