Model
SE578SA
Service
Q
＆
A
Problem 1 Noises
Rev.
Procedures：
1.
The part making noises is hard to
identify. From Chain Cover rubbing
Crank Round Disk Cover, Bushing
Housing and Cross Bar, Belt and Drive
Pulley, Idler Wheel Assembly,
Handlebar and Mast shaft, Flywheel
and Cable to Sliding Wheels and Rail
Assembly, even Pedals, etc.
Insufficient lubrication, smoothness or
loose screws are major causes, as
shown in figure 1.
1
