Sym Citycom.300i, Service Manual

Page: 31 / 270

2. Maintenance Information
2-10
Disk Brake System
Brake System Hose
Make sure the brake hoses for corrosion or
leaking oil.
Brake Fluid
Check brake fluid level in the brake fluid reservoir.
If the level is lower than the
LOWER limit, add
brake fluid to UPPER limit. Also check brake
system for leaking if low brake level found
Caution
 In order to maintain brake fluid in the
reservoir in horizontal position, do not remove
the cap until handle stop.
 Do not operate the brake lever after the cap
had been removed. Otherwise, the brake
fluid will spread out if operated the lever.
 Do not mix non-compatible brake fluid
together.
Filling Out Brake Fluid
Tighten the drain valve, and add brake fluid.
Operate the brake lever so that brake fluid
contents inside the brake system hoses.
Added Brake Fluid
Add brake fluid to UPPER limit lever.
Recommended brake fluid:
LIQUI MOLY
DOT3 brake fluid.
Caution

Never mix or use dirty brake fluid to prevent
from damage brake system or reducing brake
performance.
Air Bleed Operation
Connect a transparent hose to draining valve.
Hold the brake lever and open air bleeding valve.
Perform this operation alternative until there is no
air inside the brake system hoses.
Caution

Before closing the air bleed valve, do not
release the brake lever.
Transparent hose
Air bubble
Drain valve
Master cylinder cap
LOWER
Diaphragm
Brake
Fluid
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