Kubota B2301 Workshop Manual page 221

B2301, B2601, WSM
[3] SERVICING
Brake Assembly
1. Remove the internal snap ring (1).
2. Remove the brake shaft (2) with brake discs.
(When reassembling)
• When installing the internal snap ring (1) to rear axle case (3) as
shown in the figure.
• When installing the bearing holder (4) to the rear axle case (3),
do not forget to install the straight pin (5).
(1) Internal Snap Ring
(2) Brake Shaft
(3) Rear Axle Case
Brake Discs and Friction Plate
1. Remove the external snap ring (1), and remove the brake discs
and friction plate.
2. Remove the cam plate and balls.
3. Remove the external snap ring and pull out the brake cam lever.
(When reassembling)
• Install the brake discs with their holes (2) deviation at less than
1/3 of the total hole area.
(1) External Snap Ring
Brake Cam Lever Movement
1. Move the brake cam lever by hand to check the movement.
2. If the movement is heavy, refine the brake cam with emery
paper.
Cam Plate Flatness and Bearing Holder Wear
1. Place a straightedge of 150 mm (5.91 in.) or more in length on
the contacting surface of the cam plate and the bearing holder.
2. Inspect the friction surface of the cam plate and the bearing
holder with the straightedge, and determine if a 0.30 mm
(0.012 in.) feeler gauge will fit on the part of wear.
3. If it will fit, resurface.
Flatness of cam plate
Allowable limit
and bearing holder
4-S7
BRAKES
(4) Bearing Holder
(5) Straight Pin
9Y1211156BRS0008US0
(2) Hole
9Y1211156BRS0009US0
9Y1211156BRS0010US0
0.30 mm
0.012 in.
9Y1211156BRS0011US0
KiSC issued 11, 2014 A