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BASIC BRAKE SYSTEM -
On-vehicle Service
35A-14
BRAKE LINING THICKNESS CHECK
35100300166
1. Remove the brake drum.
2. Measure the wear of the brake lining at the place worn
the most.
Standard value: 4.4 mm
Limit: 1.0 mm
Replace the shoe and lining assembly if brake lining
thickness is less than the limit or if it is not worn evenly.
For information concerning the procedures for installation
of the shoe and lining assembly, refer to P.35A-24.
Caution
1. Whenever the shoe and lining assembly is
replaced, replace both R.H. and L.H. assemblies
as a set to prevent car from pulling to one side
when braking.
2. If there is a significant difference in the thickness
of the shoe and lining assemblies on the left and
right sides, check the sliding condition of the
piston.
BRAKE DRUM INSIDE DIAMETER CHECK
35100320148
1. Remove the brake drum.
2. Measure the inside diameter of the brake drum at two
or more locations.
Standard value: 203 mm
Limit: 205 mm
3. Replace brake drums, shoe and lining assembly when
wear exceeds the limit value or is badly imbalanced.
BRAKE LINING AND BRAKE DRUM
CONNECTION CHECK
35100310169
1. Remove the brake drum.
2. Remove the shoe and lining assembly.
(Refer to P.35A-24.)
3. Chalk inner surface of brake drum and rub with shoe
and lining assembly.
4. Replace shoe and lining assembly or brake drums if there
are any irregular contact area.
NOTE
Clean off chalk after check.