Bleeding The Hydraulic Brake System - Hisun HS700UTV-4 Maintenance Handbook

MAINTENANCE AND ADJUSTMENT OF THE UTV
BLEEDING THE HYDRAULIC BRAKE
SYSTEM
WARNING :
Bleed the brake system if:
· The system has been disassembled.
·
A brake hose or brake pipe have been
loosened or removed.
· The brake fluid has been very low.
The brake operation has been faulty. A loss
of braking performance may occur if the
brake system is not properly bled.
1. Bleed:
·brake system
a. Add the proper brake fluid to the reservoir.
b. Install the diaphragm. Be careful not to spill
any fluid or allow the reservoir to overflow.
c. Remove the cover of the brake oil pump ①
add the moderate brake liquid.
d. Place the other end of the hose into a
container.
e. Slowly apply the brake pedal several times.
f. Push down on the pedal and hold it.
g. Loosen the bleed screw and allow the pedal to
travel towards its limit.
h. Tighten the bleed screw when the pedal limit
has been reached, then release the pedal.
i. Repeat steps (e) to (h) until all the air bubbles
have disappeared from the fluid.
j. Tighten the bleed screw.
Front brake caliper bleed screw
6 Nm (0.6 m · kg, 4.3 ft · lb)
Rear brake caliper bleed screw
5 Nm (0.5 m · kg, 3.6 ft · lb)
NOTE:
If bleeding is difficult, it may be necessary to
let the brake fluid settle for a few hours.
Repeat the bleeding procedure when the tiny
bubbles in the system have disappeared.
k. Add brake fluid to the proper level.
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