BENDIX BW7274 User Manual

Page of 26
  CA
  CA
  CA
  CA
  CAUTION:
UTION:
UTION:
UTION:
UTION: Left Hand and Right Hand does     not
establish which side of the vehicle the cam goes on.  Left
and right are used to identify the two different types of
cams only.
2.
2.
2.
2.
2.
Place steel spacer plate over splined end and slide
next to cam head. (See br
(See br
(See br
(See br
(See brak
ak
ak
ak
ake component
e component
e component
e component
e components on
s on
s on
s on
s on
page
page
page
page
pages 3-6)
s 3-6)
s 3-6)
s 3-6)
s 3-6)
3.
3.
3.
3.
3.
Coat bushing, seals, journals and camshaft spline
with light film of chassis lube.
IMPOR
IMPOR
IMPOR
IMPOR
IMPORT
T
T
T
TANT
ANT
ANT
ANT
ANT: Do no
: Do no
: Do no
: Do no
: Do not coa
t coa
t coa
t coa
t coat "S" cam head.
t "S" cam head.
t "S" cam head.
t "S" cam head.
t "S" cam head.
4.
4.
4.
4.
4.
Carefully install camshaft through the chamber
bracket tube, from spider end.  Cam must rotate
freely when turned by hand.
IMPOR
IMPOR
IMPOR
IMPOR
IMPORT
T
T
T
TANT
ANT
ANT
ANT
ANT: Be car
: Be car
: Be car
: Be car
: Be careful no
eful no
eful no
eful no
eful not t
t t
t t
t t
t to damage the gr
o damage the gr
o damage the gr
o damage the gr
o damage the grea
ea
ea
ea
ease
se
se
se
se
seals.
seals.
seals.
seals.
seals.
SPICER S-CAM BRAKE RETURN SPRINGS
 Br
 Br
 Br
 Br
 Brak
ak
ak
ak
ake Serie
e Serie
e Serie
e Serie
e Seriesssss
R
RR
R
Reeeeeturn Springs P/N & Color
turn Springs P/N & Color
turn Springs P/N & Color
turn Springs P/N & Color
turn Springs P/N & Color
Standard
165WJ110 Dark Blue
XL & Cast Shoe
165WJ115 White
XLII
165WJ129 Light Blue
BRAKE ASSEMBLY
  CA
  CA
  CA
  CA
  CAUTION:
UTION:
UTION:
UTION:
UTION: The lip of the gr
The lip of the gr
The lip of the gr
The lip of the gr
The lip of the grea
ea
ea
ea
ease seals m
se seals m
se seals m
se seals m
se seals must be
ust be
ust be
ust be
ust be
inst
inst
inst
inst
installed corr
alled corr
alled corr
alled corr
alled correctl
ectl
ectl
ectl
ectly t
y t
y t
y t
y to pr
o pr
o pr
o pr
o preeeeevvvvvent posssible damage.  The
ent posssible damage.  The
ent posssible damage.  The
ent posssible damage.  The
ent posssible damage.  The
lip of the seal tha
lip of the seal tha
lip of the seal tha
lip of the seal tha
lip of the seal that is inst
t is inst
t is inst
t is inst
t is installed in the spider end m
alled in the spider end m
alled in the spider end m
alled in the spider end m
alled in the spider end must
ust
ust
ust
ust
ent
ent
ent
ent
enter the opening fir
er the opening fir
er the opening fir
er the opening fir
er the opening first.  The lip of the seal tha
st.  The lip of the seal tha
st.  The lip of the seal tha
st.  The lip of the seal tha
st.  The lip of the seal that is
t is
t is
t is
t is
inst
inst
inst
inst
installed in the opposit
alled in the opposit
alled in the opposit
alled in the opposit
alled in the opposite end of the cam tube m
e end of the cam tube m
e end of the cam tube m
e end of the cam tube m
e end of the cam tube must
ust
ust
ust
ust
ent
ent
ent
ent
enter la
er la
er la
er la
er last.  
st.  
st.  
st.  
st.  See F
See F
See F
See F
See Figur
igur
igur
igur
igure 1
e 1
e 1
e 1
e 11
1
1
1
1.  Inst
.  Inst
.  Inst
.  Inst
.  Install the chamber
all the chamber
all the chamber
all the chamber
all the chamber
br
br
br
br
brack
ack
ack
ack
ackeeeeet and the cam tube a
t and the cam tube a
t and the cam tube a
t and the cam tube a
t and the cam tube assembl
ssembl
ssembl
ssembl
ssembly ont
y ont
y ont
y ont
y onto the spider
o the spider
o the spider
o the spider
o the spider
using four cap scr
using four cap scr
using four cap scr
using four cap scr
using four cap screeeeew
w
w
w
ws and lockw
s and lockw
s and lockw
s and lockw
s and lockwaaaaasher
sher
sher
sher
shers.  T
s.  T
s.  T
s.  T
s.  Tor
or
or
or
orque t
que t
que t
que t
que to
oo
oo
7
7
7
7
70-8
0-8
0-8
0-8
0-80 Lb-Ft.
0 Lb-Ft.
0 Lb-Ft.
0 Lb-Ft.
0 Lb-Ft.
If removed, reinstall the dust shields. Tighten the six cap
screws and lockwashers to 20-28 Lb-Ft of torque.
SPIDER
1.
1.
1.
1.
1.
Use a wire brush to remove heavy contamination
from the spider mounting flange, knuckle, spider,
brake drum exterior, and chamber mounting
bracket.
2.
2.
2.
2.
2.
Install the spider and chamber bracket assembly
onto the axle flange.  Be sure spider is properly
oriented, as noted during disassembly.  Tighten
mounting fastener to manufacturer's specifications.
CAMSHAFT
1.
1.
1.
1.
1.
Prior to reassembly, verify the part number is
correct there are L.H. and R.H. camshafts and they
can not be interchanged.  See F
See F
See F
See F
See Figur
igur
igur
igur
igure 1
e 1
e 1
e 1
e 12.
2.
2.
2.
2.
Seal Installation
CHAMBER BRACKET ASSEMBLY
15
Lip Seal
Lip Seal
Lip Seal
Lip Seal
Lip Seal
Spider
Spider
Spider
Spider
Spider
A
A
A
A
Actua
ctua
ctua
ctua
ctuatttttor Br
or Br
or Br
or Br
or Brack
ack
ack
ack
ackeeeeettttt
and Cam T
and Cam T
and Cam T
and Cam T
and Cam Tube
ube
ube
ube
ube
Slack  A
Slack  A
Slack  A
Slack  A
Slack  Adjust
djust
djust
djust
djuster  End
er  End
er  End
er  End
er  End
NO
NO
NO
NO
NOTE: Bo
TE: Bo
TE: Bo
TE: Bo
TE: Both lip seals point the same
th lip seals point the same
th lip seals point the same
th lip seals point the same
th lip seals point the same
dir
dir
dir
dir
direction, lip t
ection, lip t
ection, lip t
ection, lip t
ection, lip to
oo
oow
w
w
w
war
ar
ar
ar
ard the slack adjust
d the slack adjust
d the slack adjust
d the slack adjust
d the slack adjuster
er
er
er
er
Lip Seal
Lip Seal
Lip Seal
Lip Seal
Lip Seal
End Cam
End Cam
End Cam
End Cam
End Cam
FFFFFigur
igur
igur
igur
igure 1
e 1
e 1
e 1
e 11
1
1
1
1
Right Hand Cam
Right Hand Cam
Right Hand Cam
Right Hand Cam
Right Hand Cam
Left Hand Cam
Left Hand Cam
Left Hand Cam
Left Hand Cam
Left Hand Cam
FFFFFigur
igur
igur
igur
igure 1
e 1
e 1
e 1
e 12
2
2
2
2