Bendix Commercial Vehicle Systems ADB22X-V Air Disc Brakes - Manual (Page 31)

31
5.6.14 Turning the bolt at
the top, draw the
brass nut up, bring
the brass bushing
up and out of the
channel. Discard the
bushing.
FIGURE 71 - REMOVE THE
LONG GUIDE PIN
Caution: Keep the removal tool exactly aligned with the
guide pin channel to permit the bushing to be removed.
See Figure 72.
Bushing (10)
Removed
T12 / KT12
T13 /
KT13
Bushing
(10)
Installed
T14 / KT14
Above: Incorrect
Alignment
Above: Correct
Alignment
FIGURE 72 - KEEP THE CORRECT ALIGNMENT
5.6.15 Prepare to remove
the short guide pin
bushing by locating
the bushing (6) tab,
and using a small
chisel (narrower than
the tab) or similar
tool, remove the tab
as shown in Figure
73, by striking low on
the base of the tab.
FIGURE 73 - REMOVE THE
TAB THAT HOLDS THE
BUSHING IN POSITION
Remove the tab with a magnet and use a clean
shop cloth to remove any excess debris. Note
that in some cases, the tab may be in the opposite
(outer) slot in the bore.
T21 / KT21
Washer
T20 / KT20
Grease the bolt prior to each use
T14 / KT14
FIGURE 74 - SHORT GUIDE PIN REMOVAL TOOL
5.6.9 Using a 14 mm hex
bit socket, remove
and discard the two
caliper bolts (39) and
(40). See Figure 67.
By hand, retract both
guide pins slightly
and then remove
the caliper from the
carrier.
FIGURE 67 - REMOVE THE
CALIPER BOLTS
The guide pins are now only held by the retaining
rings (58).
5.6.10 Remove the boot
retaining rings (58)
and the guide pins
(39) and (40). Use
a screwdriver to pry
out the inner boots
(9). See Figure 68.
Discard the removed
items.
FIGURE 68 - REMOVE THE
RETAINING RINGS, GUIDE
PINS, AND BOOTS
5.6.11 Clean the caliper upper and lower surfaces around
the bushings.
T12 / KT12
Washer
T13 / KT13
Grease the bolt prior to each use
T14 / KT14
FIGURE 69 - BRASS BUSHING REMOVAL TOOL
5.6.12 Prepare to remove the brass bushing used in the
long guide pin side. Assemble the long bolt (T13),
washer, and sleeve (T12) as in Figures 69 and 70.
5.6.13 Apply grease to the
bolt and — after
inserting through the
guide pin channel —
engage the brass
nut (T14). Always
double-check that
t h e b r a s s n u t i s
correctly in place in
the bushing before
beginning to extract
the bushing.
FIGURE 70 - INSTALL THE
REMOVAL TOOL