14
DRUM BRAKES — — — — — — — — — — — ™ — — — — BR
(4) Remove primary
(front)
brakeshoe
return
spring (Fig. 1). Use brake spring pliers to unseat and
remove spring from anchor pin.
ADJUSTER SPRING
PRIMARY SHOE
AND
RETURN SPRING
SECONDARY
SHOE AND
RETURN SPRING
STRUT
SHOE
SPRING
ADJUSTER
SCREW
ASSEMBLY
ACTUATOR
LEVER AND
SPRING
J9405-16
Fig. 1 Brakeshoe Mounting And Spring Attachment
(11-Inch Brake)
CYLINDER
SCREWS
SUPPORT
PLATE
(5) Remove primary shoe holddown spring, pin and
retainers. Use brake spring tool to rotate retainers
and disengage pins.
(6) Tilt primary brakeshoe outward. Then disen
gage shoe spring and remove primary brakeshoe.
(7) Remove adjuster screw, shoe spring and park
brake strut and spring.
CAUTION: The adjuster screw assemblies have dif
ferent threads and must be kept separate. The
driver side adjuster screw has a right hand thread.
And the passenger side adjuster screw has a left
hand thread. Do not interchange them as the brake
shoes will not adjust properly.
(8) Remove secondary brakeshoe holddown spring,
pin and retainers (Fig. 1).
(9) Pull adjuster lever and retainer out of second
ary brakeshoe. Then rotate brakeshoe out and up
and remove adjuster spring and secondary shoe re
turn spring.
(10) Disconnect park brake cable from lever on sec
ondary brakeshoe. Then remove brakeshoe.
(11) If brakeshoes are to be replaced, remove E-clip
(or U-clip) that attaches park brake lever to second
ary brakeshoe and remove lever.
(12) Inspect wheel cylinder (Fig. 2). If leakage is
evident, remove and overhaul cylinder. Refer to over
haul procedure in this section.
PARK
BRAKE
LEVER
HOLDDOWN
PINS
LINK
PRIMARY
(FRONT)
BRAKESHOE
SECONDARY SHOE
RETURN
SPRING
FRONT
ADJUSTER
SCREW
ASSEMBLY
HOLDDOWN
SPRING AND*
RETAINERS
PRIMARY SHOE
RETURN SPRING
J9405-4
Fig. 2 Drum Brake Components (11-Inch Brake)