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5 - 26
BRAKES
•
Fig. 8 Removing/Installing
Inboard
Brakeshoe
(9) Support caliper o n box, stool, or front control
a r m . D o n o t a l l o w b r a k e hose to s u p p o r t w e i g h t
of c a l i p e r . T h i s c o u l d d a m a g e the hose.
(10) Remove O - r i n g f r o m caliper adapter.
CLEANING
AND
INSPECTION
Replace t h e brakeshoes i f the l i n i n g is w o r n t o a
thickness o f 3.17 m m (1/8 inch) or less. I f shoe r e -
placement i s necessary, replace t h e shoes o n b o t h
sides a t t h e same t i m e . D o not replace t h e shoes o n
one side only. T h i s practice could result i n u n e q u a l
b r a k i n g effort and brake p u l l . Note t h a t i t is n o r m a l
for t h e i n b o a r d shoe l i n i n g t o e x h i b i t s l i g h t l y more
wear t h a n t h e outboard shoe l i n i n g .
Check for piston seal leaks w h i c h w i l l be evident
by brake fluid i n a n d a r o u n d t h e boot area a n d i n -
board l i n i n g . Also check condition of the caliper pis-
t o n dust boot. I f leakage i s evident or i f t h e boot is
cut, t o r n , or damaged i n a n y way, i t w i l l be neces-
sary to o v e r h a u l t h e caliper.
Remove t h e O - r i n g f r o m t h e caliper adapter a n d
clean t h e slide surfaces o f the adapter a n d t h e m a -
chined ways o n t h e caliper w i t h a w i r e b r u s h a n d
sandpaper.
BRAKESHOE INSTALLATION
(1) I n s t a l l inboard brakeshoe i n adapter (Fig. 8).
(2) I f n e w brakeshoes are being i n s t a l l e d , remove
protective paper from noise suppresion gasket o n out-
board shoe.
(3) I n s t a l l and adjust outboard brakeshoe i n caliper
as follows:
(a) Check vertical movement o f outboard shoe
i n caliper. Shoe should fit t i g h t l y a n d n o t e x h i b i t
vertical movement (free play). Flange m u s t also fit
t i g h t l y o n caliper finger t o e l i m i n a t e free p l a y a n d
prevent shoe r a t t l e (Fig. 9).
(b) I f free play is evident, remove shoe f r o m cal-
iper.
(c) Bend shoe r e t a i n i n g flange a n d t r i a l fit shoe
i n caliper. Continue bending flange u n t i l shoe is
l i g h t interference fit i n caliper (Fig. 10).
(d) R e i n s t a l l outboard brakeshoe i n caliper. I f
shoe is difficult to i n s t a l l , use C-clamp t o seat shoe
(Fig. 11).
OUTBOARD SHOE
AAACHINED
Fig. 9 Outboard
Brakeshoe
Positioned
On
Caliper
Finger
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