Sakai SW300 Operating & Maintenance Instructions page 73

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3.
PERIODICAL MAINTENANCE
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Measuring the brake piston stroke (Replacement standard)
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1) Removing the plug.
Remove hex. socket plugs (063) and (064 )
complete with O-rings from the forced brake
releasing port.
2) Forced releasing bolt
Install hex. socket bolt for forced brake releasing.
00 not tighten the bolt all the way but leave it
floating off the seat thereof.
DCM0280
Bolt
M10X25L
(Pitch)
(1.5)
Leaving the brake releasing pilot port open to the
atmosphere (with the brake locked), measure the
distance from brake cover to bolt head by means
of depth slide calipers. <L1>
3) Checking the brake stroke
Measure the height of bolt head with the complete
releasing pressure applied to the brake releasing
pilot port (With the brake released). <L2>
Length of brake stroke
=
L2 - L1
*
In case the brake stroke exceeds replacement
standard value shown below, replace friction
plate and separate plate totally.
DCM0280
Replacement standard
brake stroke length
3.5mm
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