Proform
Fitness & Exercise

Model # PFMC77755 Official Proform air walker

Here are the diagrams and repair parts for Official Proform PFMC77755 air walker, as well as links to manuals and error code tables, if available.

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  • 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”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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Showing 10 of 68 parts  |

Treadmill Walking Belt Alignment Tool (replaces 161927) 128457

#NI

All parts diagram

Treadmill walking belt alignment tool (replaces 161927)

Part #128457

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Treadmill Nut 119425
#12

Unit parts diagram

Treadmill nut

Part #119425

This item is not returnable
In Stock
Magnet,rnd,1 107094
#49

Unit parts diagram

Magnet,rnd,1

Part #107094

This item is not returnable
In Stock
Curved Washer 127890
#27

Unit parts diagram

Curved washer

Part #127890

This item is not returnable
In Stock
Ri,lnkarm Rp 129959

#NI

All parts diagram

Ri,lnkarm rp

Part #129959

This item is not returnable
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Exercise Equipment Thrust Washer, 1/2-in 129144
#16

Unit parts diagram

Exercise equipment thrust washer, 1/2-in

Part #129144

This item is not returnable
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Screw,btphpn 110277
#43

Unit parts diagram

Screw,btphpn

Part #110277

This item is not returnable
In Stock
Exercise Equipment Rubber Pad 126650
#37

Unit parts diagram

Exercise equipment rubber pad

Part #126650

This item is not returnable
In Stock
Screw 129475
#31

Unit parts diagram

Screw

Part #129475

This item is not returnable
In Stock
Wshr,lock,zp 110468
#50

Unit parts diagram

Wshr,lock,zp

Part #110468

This item is not returnable
In Stock

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

Main causes: weak batteries, loose wires, faulty control console…

Main causes: loose fastening bolts, damaged handle bars…

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

Main causes: dirty heart rate sensors, wiring failure, bad control console…

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

Main cause: lack of lubrication on pivot points…

Main causes: bad resistance motor, faulty control console, wiring failure…

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

Repair guides for elliptical machines

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

How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

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 elliptical.

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.…