Xiaomi Mijia M187 User Manual page 17

Adjusting a brake disc
If a brake is very tight:using M5 hex wrench and scroll counterclockwise screws
of brake disc tensioner pulley,slightly shorten a length of a tail brake cable,then
tighten a tensioner pulley.If you think that brake is very free,loosen a tension
pulley,pull a brake cable to slightly increase a length of its tail.Tighten a tension
pulley.
Adjusting a handle bars
Staggering of steering rack: using a M5 hex wrench,tighten two screws near the
folding mechanism.
Using a connecting pipe to pump wheels
If a rear wheel of Electric Scooter deflated,connect a connecting pipe to a wheel
nipple to pump it .First,remove the a cap of pin,then tighten a fitting,and then you
start to pump a wheel.