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(STEP.3) Drain the air in the brake oil tube in order to prevent the brake pump
malfunction in power delivering.
1. Open the brake oil tank, lose the drain screw of the brake caliper without braking
motion. It functions normal if the brake oil could drain automatically, please try this for
couple times for confirmation. If it doesn’t work, please be back to STEP 2. and
decrease the distance until the oil could run out normally.
2. Press on the brake pedal or the brake lever for several times then hold press,
release the drain screw and lock it on immediately until no air bubble in the brake oil.
Be careful for the splashing oil when operating.