Can’t find your part? Contact us:

+1-309-603-4777

Treadmill

Model # 8320SR Official HealthMaster treadmill

Here are the diagrams and repair parts for Official HealthMaster 8320SR treadmill, 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

ALL PARTS

Showing 10 of 78 parts |

Bolt HH-0792

#NI

All parts diagram

Bolt

Part #HH-0792

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

Washer HH-0977

#NI

All parts diagram

Washer

Part #HH-0977

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

Tie MM-0350

#NI

All parts diagram

Tie

Part #MM-0350

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

Flat Washer HH-0978

Unit parts diagram

Flat washer

Part #HH-0978

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

Lock Washer HH-1003

#NI

All parts diagram

Lock washer

Part #HH-1003

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

Pin Ring HH-0548

Unit parts diagram

Pin ring

Part #HH-0548

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

End Plt Asm 17-9831

Unit parts diagram

End plt asm

Part #17-9831

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

Cross Brace 17-1013

Unit parts diagram

Cross brace

Part #17-1013

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

Pully Shrd 75-0730

#NI

All parts diagram

Pully shrd

Part #75-0730

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

Wire Assembly HH-1705

#NI

All parts diagram

Wire assembly

Part #HH-1705

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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…

Why is my treadmill's walking belt off center?

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

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…

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

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

Why does my treadmill have no display?

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

Why does my treadmill's walking belt slow down?

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

Why is my treadmill's walking belt slipping?

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

Effective articles & videos to help repair your fitness & exercise

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

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.…

Stay Connected