Brake Linings And Drums (Parking Brake) - Subaru SVX 1992 Manual

PERIODIC MAINTENANCE SERVICES [013AO] 1-5
13 . Brake Linings and Drums
(Parking brake)
A: INSPECTION
Inspect brake linings and drums of both sides of the rear
brake at the same time by removing brake drums.
1) Inspect brake shoes for damage or deformities and
check brake linings for wear .
Always replace both primary and secondary brake
shoes for the left and right wheels at the same time.
Brake lining thickness excluding back metal :
Standard
3.2 mm (0.126 in)
Wear limit
1 .5 mm (0.059 in)
Fig. 49
MAINTENANCE INTERVAL
(Number of months or km (miles), whichever occurs first)
Months 3 7 .5 15 22 .5 30 37 .5 45 52 .5
60
x1,000
4 .8 12 24 36 48 60 72 84 96
km
x1,000
3 7.5 15
22 .5 30 37 .5 45 52 .5 60
miles
l
I l
I II
Brake drum inside diameter :
Standard
190 mm (7 .48 in)
Wear limit
191 mm (7 .52 in)
Fig. 50
3) If the deformation or wear of back plate, shoe, etc .
are notable, replace them.
4) When the shoe return spring tension is excessively
weakened, replace it, taking care to identify upper and
lower springs .
2) Check brake drum for wear, dents or other damage .
If the inside surface of brake drum is streaked, correct
the surface with emery cloth (#200 or more) . If it is
unevenly worn, taperingly streaked, or the outside sur-
face of brake drum is damaged, correct or replace it.
25