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Craftsman
Accessory

Model # 917253070 Official Craftsman lo-tone muffler

Here are the diagrams and repair parts for Official Craftsman 917253070 lo-tone muffler, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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Showing 10 of 11 parts  |
Hex Fin Bolt 3159P
#9

Replacement parts diagram

Hex fin bolt

Part #3159P

Replaced by #596322201

?
Manufacturer substitution
This part replaces 3159P. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Bracket 1045R
#8

Replacement parts diagram

Bracket

Part #1045R

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

Bracket 1519R

#NI

All parts diagram

Bracket

Part #1519R

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

Muffler 581R
#3

Replacement parts diagram

Muffler

Part #581R

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

Clamp 578R
#5

Replacement parts diagram

Clamp

Part #578R

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

Hex Fin Bolt 3012P
#4

Replacement parts diagram

Hex fin bolt

Part #3012P

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

Clamp 582R
#2

Replacement parts diagram

Clamp

Part #582R

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

Square Nut 504P
#7

Replacement parts diagram

Square nut

Part #504P

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

Bracket 579R
#8A

Replacement parts diagram

Bracket

Part #579R

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

Exhaust Pipe 580R
#1

Replacement parts diagram

Exhaust pipe

Part #580R

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…

Read more
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

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