niu N-GT, Service Manual

Page: 138 / 144

V1.0.0 138
Regular Maintenance Checklist
Inspection of the Accelerator Handle
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Check the accelerator handle for smooth operating.
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Check the accelerator handle for smooth opening and automatic resetting at all steering positions
of the steering handle.
•
Check the accelerator handle cable if the accelerator handle can not be reset as usual.
Inspection of Brake Pads wearing
•
Check the brake pads for wearing.
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The brake pad of a brake that has been worn to the extent indicated by the wearing limit
indication groove should be replaced.
•
The brake pads should be replaced in pair to ensure uniform pressure on the brake disc.
Inspection of Brake Handle
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Check connection of the brake handle for looseness.
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Check the brake handle for excessive free travel or other damages.
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Perform replacement or reparation if necessary.
Inspection of Brake fluid
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The leaking brake can damage coatings, plastics or rubber parts. They should be well covered
with cloths or paper sheets during the system maintenance.
•
Do not use different types of the brake fluid because they are not compatible with each other.
•
Do not let foreign objects enter into the braking system in filling the fluid reservoir with the brake
fluid.
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Check the brake pads for wearing if the brake fluid level is around the lower-limit horizontal scale
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A low level of the brake fluid may result from wearing of the brake pads that causes push-out of
the brake caliper piston.
•
Check the entire system for leakage if a low level of the brake fluid occurs without wearing of the
brake pads.
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Lift up the scooter with the central stand.Turn the steering handle reversely to make the fluid
reservoir horizontal, and check the brake fluid level in the front brake fluid reservoir through the
glass observation hole.