
Parts Disassembly and Assembly
Machine Type
:
N685/G690
Item
:
Replacement of the Poly-Rib Belt.
M3-4-2
Step5. Raise the Front Wheel, install the Poly-Rib Belt and lock the
Screw of the Front Wheel. First place the Belt into the Major
Belt Wheel, and install the Belt Pulley for the Cast Steel
Wheel
.
Step8. As shown below, fine-tune the screw so that its vibration
frequency is between 125-135Hz.
Step6. Adjust the position of the Poly-Rib Belt, so that the Poly-Rib
Belt is in the middle of the idler wheel when it is rotated
forward and backward.
Step7. Use the sound frequency APP on the Smartphone and flip the
Poly-Rib Belt to test the vibration frequenc
Содержание G690
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