DAELIM A-FOUR -, Service Manual

Page: 138 / 186

12-10
BRAKE SYSTEM
MASTER
CYLINDER
HOLDER
PISTON
BOOT
CIR CLIP
MASTER
CYLINDER SET
●
Remove the washer, piston, spring from the master
cylinder.
●
Clean the master cylinder, reserve, master piston with
the recommended brake fluid.
MASTER CYLINDER INSPECTION
●
Check the piston periphery for kink or scratch.
●
Check the primary and secondary cups for wear.
●
Measure the O.D of the master pin
SERVICE LIMIT : 10.90 mm
·
If there is any leak of fluid when installing new
piston, it may indicate the side wear of the cylinder
by the direction of the piston contacting face. In this
case, the master cylinder must be replaced also.
●
Check the master cylinder for scores, scratches or nicks
and replace if necessary.
●
Measure the master cylinder I.D. in X and Y axis at
several points.
SERVICE LIMIT : 11.08 mm
MASTER CYLINDER ASSEMBLY/INSTALLATION
·
Replace the piston, spring, cups and snap ring as a
set.
·
Be sure that each part is free from dust or dirt before
reassembly.
·
When cleaning with the brake fluid, use the specified
brake fluid.
●
Coat the piston cup with the fresh brake fluid and
install it on the piston. Install the spring with its larger
diameter end toward the master cylinder.