Suzuki WagonR+ RB310 Service Manual page 2846

The value on vernier caliper – width of straight edge = (A)
6
3. Rear cover assembly (with B0 piston)
5. Air gun
6. O/D brake piston adapter
19) Measure the clearance of B0 brake in the following manner.
Blow compressed air into hole shown in figure to activate B1
brake piston (4), then measure the distance between the top
of B0 brake plate and the transmission case – rear cover mat-
ing surface.
Call this value (A).
Measure the distance from top of B0 piston adapter (on rear
cover) to rear cover – transmission case mating surface. Call
this value (B).
Clearance = (A) – (B) + 0.4
Standard Value for B0 Brake Clearance:
0.80 – 1.40 mm (0.0315 – 0.0551 in.)
1. Straight edge
2. Vernier caliper
If the obtained value is out of standard value, replace brake
disc and plate.
20) Install O/D brake piston adapter (1) thrust needle roller bearing
(2) and direct (C0) clutch assembly (3).
AUTOMATIC TRANSMISSION (4 A / T) 7B-115