Suzuki WagonR+ RB310 Service Manual page 2844

2. Tip of dial gauge on B1 brake piston
3. Air gun
11) Install brake flange (1) and snap ring (2) to transmission case
(3).
NOTE:
The flat surface of the flange comes to the top (must face
B0 piston).
12) Measure B1 brake stroke and clearance in following manner.
B1 Brake Stroke:
Set the dial gauge (1) to 1st & 2nd brake (B1 brake) piston as
shown. Blow compressed air into hole (4) shown in figure.
Then measure the difference as the compressed air is blown
in.
Standard Value for B1 Brake Stroke = 1.79 – 2.01 mm
B1 Brake Clearance:
Set the dial gauge (1) on the top-most brake disc (5).
Blow compressed air into the hole (4) shown in figure.
Measure the difference. Call this value (A).
Standard Value for B1 Brake Clearance:
1.31 – 1.96 mm (0.0516 – 0.0772 in.)
If the measured value (s) is (are) out of specification, replace
brake discs, plates and flange.
AUTOMATIC TRANSMISSION (4 A / T) 7B-113
(0.0705 – 0.0791 in.)