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BalanceTutor service manual 211102.doc
6.3.3 Case 3 – Cracking sounds in front transmission
Indication
Cracking sounds (high frequency) in a non-periodic manner during front
motor operation.
Reason for error/fault Axial tensions, dry components that has mechanical interaction
Corrective actions
1.
Release all marked setscrews
2.
Run the treadmill in different speeds for few minutes.
3.
During motor operation, lubricate using silicon spray or WD-40 all
transmission-moving parts including shaft and its interfaces to the
bearings.
4.
Confirm the two black rollers assembled with the drive belt are
vertically aligned one each other before tightening back the setscrews.
5.
Confirm cracking sounds gone then lock back all released setscrews.
6.
Confirm again cracking sounds gone after locking all setscrews.
