Discharge Air In The Brake System - Segway SNARLER ATV 2021 Series Service Manual

MAINTENANCE MAINTENANCE
4. Vacuumize and refi ll front right brake hose
Refer to the procedures of vacuumizing front left brake
hose to vacuumize and refi ll front right brake hose.
5. Vacuumize and refi ll front brake hose
◆ Open distribution valve dust cap and counter
◆ Connect one end of vacuum tank to air source and
◆ Counter clockwise rotate air valve hand shank to
◆ In the vacuum process of all pipelines, refi ll oil cup
TIPS TIPS
Check liquid level in the brake oil cup regularly Check liquid level in the brake oil cup regularly
and refi ll. and refi ll.
A A
! !
Step on brake pedal Step on brake pedal【 【 A A 】 】 and hand grasp front brake
shank shank【 【 B B 】 】 respectively. If you have soft or "sponge"
feeling, in this process, it means there is air in the brake feeling, in this process, it means there is air in the brake
system. Please repeat above procedures to vacuumize system. Please repeat above procedures to vacuumize
B B
(discharge air) the pipeline until you have no such (discharge air) the pipeline until you have no such
feeling. feeling.

Discharge air in the brake system

Discharge air in the pipeline when you replace or
reassemble brake parts
◆ Remove hand brake upper pump assembly oil cup
2 - 12
clockwise open air inlet bolts of distribution valve..
the other end hose to air outlet.
open vacuum tank. Vacuumize pipelines of front
left and front right brakes respectively. Meanwhile,
check liquid level of rear brake cup and hand brake
main pump oil cup and refi ll in time. Refi ll only when
level is lower than MIN.
twice at least each time and screw up air nozzle
clockwise and then rotate vacuum tank air valve to
close it.
Torque of Air Outlet
7.9N·m（ （ 0.8kgf·m 7.9N·m 0.8kgf·m， ， 94.8in·lb
WARNING WARNING
respectively. If you have soft or "sponge"
94.8in·lb） ）
and hand grasp front brake