Sakai SW300 Operating & Maintenance Instructions page 71

3. PERIODICAL MAINTENANCE
@ Checking after the replacement (Measuring the brake piston stroke)
The check value specified in this paragraph is for new brake disk immediately after having
been installed for replacement. Please note that it is different from "Replacement
Standard" in the next paragraph which represents the case where the brake has been in
use.
1) Forced releasing bolt
Install hex. socket bolt for forced brake releasing.
Do not tighten the bolt all the way, but leave it
floating off the seat thereof.
DCM0280
Bolt
M10X25L
(Pitch)
(1.5)
With the brake releasing pilot port opened to
atmosphere (brake being locked), measure the
height of bolt head from brake cover by means of
depth slide calipers. <L1 >
2) Checking the brake stroke
Measure the height of bolt head by means of depth
slide calipers while complete releasing pressure
being applied to the brake releasing pilot port (brake
released). <L2>
Brake stroke = L2 - L1
*
Specified value
The brake stroke is proper if it remains within the
range shown below.
If it exceeds, adjust it with shirn(s) in use.
DCM0280
1.6 ~ 2.3
Brake stroke length
for new disk.
Bolt
L2
-65­