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

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.

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