Symptom

Probable Cause

Corrective Action

Recommended Tools

 

 

 

 

KNOCKING IN

Crank and Shaft

Remove main body cover.

Multi-meter

RHYTHM OF

 

Check crank arm nuts for tightness.

14mm socket

PEDALING

 

Is noise coming from the crank area

21mm socket

 

 

If yes – remove crank, check shaft and

27mm socket

 

 

crank for damage.

 

 

 

Replace parts as needed.

 

 

 

--------

 

 

Swing Arm Bearings

Check the moving arm bearing for

 

 

 

 

 

 

noise.

 

 

 

Tighten nut and check for noise.

 

 

 

If noise continues – replace moving arm

 

 

 

assembly.

 

 

 

 

 

Page 10

Support Services 800-883-8783

Mon-Fri 8:30am-5:00pm Central Time Zone

Fax: 636-272-7148

 

 

 

Page 12
Image 12
True Fitness 750EA, 600EA manual Knocking, Crank and Shaft, Rhythm, Pedaling, Swing Arm Bearings