BENDIX BW7274 User Manual
8
PREPARATION
1.
1.
1.
1.
1.
Park vehicle on a level surface and prevent
movement by means other than the brakes.
movement by means other than the brakes.
2.
2.
2.
2.
2.
If equipped with spring brakes, cage the spring on
all axles to be worked on.
all axles to be worked on.
3.
3.
3.
3.
3.
Raise the axle, to be worked on until the tires
clear the ground. Support axle with heavy duty
jack stands.
clear the ground. Support axle with heavy duty
jack stands.
4.
"Back-off " slack adjuster by turning adjusting nut
until the brake shoes are fully retracted.
until the brake shoes are fully retracted.
CA
CA
CA
CA
CAUTION: R
UTION: R
UTION: R
UTION: R
UTION: Rockw
ockw
ockw
ockw
ockwell Aut
ell Aut
ell Aut
ell Aut
ell Auto Slacks r
o Slacks r
o Slacks r
o Slacks r
o Slacks requir
equir
equir
equir
equire the pa
e the pa
e the pa
e the pa
e the pawl
wl
wl
wl
wl
aaaaassembl
ssembl
ssembl
ssembl
ssembly t
y t
y t
y t
y to be r
o be r
o be r
o be r
o be remo
emo
emo
emo
emovvvvved befor
ed befor
ed befor
ed befor
ed before turning the adjust
e turning the adjust
e turning the adjust
e turning the adjust
e turning the adjust-----
ing n
ing n
ing n
ing n
ing nut.
ut.
ut.
ut.
ut.
W
W
W
W
WARNING: Ne
ARNING: Ne
ARNING: Ne
ARNING: Ne
ARNING: Nevvvvver w
er w
er w
er w
er work under a v
ork under a v
ork under a v
ork under a v
ork under a vehicle suppor
ehicle suppor
ehicle suppor
ehicle suppor
ehicle supporttttted
ed
ed
ed
ed
onl
onl
onl
onl
only b
y b
y b
y b
y by a jack. Alw
y a jack. Alw
y a jack. Alw
y a jack. Alw
y a jack. Alwaaaaayyyyys use a jack st
s use a jack st
s use a jack st
s use a jack st
s use a jack stand.
and.
and.
and.
and.
GENERAL PRECAUTIONS (CONTINUED)
5.
5.
5.
5.
5.
Remove wheels and drums using the procedures
specified in the vehicle maintenance manual.
specified in the vehicle maintenance manual.
W
W
W
W
WARNING: The long t
ARNING: The long t
ARNING: The long t
ARNING: The long t
ARNING: The long term effect
erm effect
erm effect
erm effect
erm effects of e
s of e
s of e
s of e
s of exposur
xposur
xposur
xposur
xposure t
e t
e t
e t
e to non-
o non-
o non-
o non-
o non-
aaaaasbe
sbe
sbe
sbe
sbest
st
st
st
stos ha
os ha
os ha
os ha
os has no
s no
s no
s no
s not been de
t been de
t been de
t been de
t been detttttermined. A
ermined. A
ermined. A
ermined. A
ermined. Avvvvvoid cr
oid cr
oid cr
oid cr
oid crea
ea
ea
ea
eating
ting
ting
ting
ting
dust when per
dust when per
dust when per
dust when per
dust when performing service on br
forming service on br
forming service on br
forming service on br
forming service on brak
ak
ak
ak
ake a
e a
e a
e a
e assemblie
ssemblie
ssemblie
ssemblie
ssemblies.
s.
s.
s.
s.
Ex
Ex
Ex
Ex
Exce
ce
ce
ce
cessiv
ssiv
ssiv
ssiv
ssive e
e e
e e
e e
e exposur
xposur
xposur
xposur
xposure t
e t
e t
e t
e to br
o br
o br
o br
o brak
ak
ak
ak
ake dust ma
e dust ma
e dust ma
e dust ma
e dust may cause r
y cause r
y cause r
y cause r
y cause reeeeespir
spir
spir
spir
spira-
a-
a-
a-
a-
tttttory damage or o
ory damage or o
ory damage or o
ory damage or o
ory damage or other bodil
ther bodil
ther bodil
ther bodil
ther bodily harm.
y harm.
y harm.
y harm.
y harm.
Safety glasses should be wor
Safety glasses should be wor
Safety glasses should be wor
Safety glasses should be wor
Safety glasses should be worn
n
n
n
n
at all times when assembling
at all times when assembling
at all times when assembling
at all times when assembling
at all times when assembling
or disassembling brakes.
or disassembling brakes.
or disassembling brakes.
or disassembling brakes.
or disassembling brakes.