Brake System - DAELIM NS125III Service Manual

14. Brake System

Service Information
Troubleshooting
Brake Fluid/Bleeding
Brake Pad
Service Information
General Safety
Do not allow foreign material to enter the system when replenishing brake fluid.
To prevent chemical changes, do not mix different types of brake fluid.
Do not use the old brake fluid again.
Brake fluid can cause damage to painted, plastic, and rubber surfaces. Take precautions not to allow parts
to be contaminated by the brake fluid.
Do not reuse sealing washers.
Clean the disassembled parts with brake fluid, and check for any clogged passage with compressed air.
Bleed the brake hose after removing it.
Troubleshooting
Braking power unsatisfactory
Air in the brake system
Moisture in brake fluid
Brake pad and disk contaminated
Caliper piston seal worn
Master cylinder piston seal worn
Brake pad worn
Caliper inside contaminated
Unsatisfactory caliper sliding part operation
Lopsided wear of brake pad and disk
Low brake fluid level
Clogged brake fluid line
Disk bent or distorted
Caliper piston seized or worn
Master cylinder piston seized or worn
Disk worn
Master cylinder inside contaminated
Brake lever bent
14-1 Brake Disk
14-1 Brake Caliper
14-2 Master Cylinder
14-3
Hard brake lever movement or
unsatisfactory return
Brake system clogged
Caliper piston seized or worn
Unsatisfactory caliper sliding part operation
Brake fluid line clogged
Caliper piston seal worn
Master cylinder piston seized or worn
Brake lever bent
Brake drag
Brake pad and disk contaminated
Improper wheel alignment
Lopsided wear of brake pad and disk
Disk bent or distorted
Unsatisfactory caliper sliding part operation
Hydraulic system contaminated with dust.
Brake System
14-5
14-6
14-8
14-1