14
FORM NO. L-20063-AG-1216
TABLE 4
M
E
T
I
N
O
I
T
P
I
R
C
S
E
D
E
U
Q
R
O
T
4
2
s
w
e
r
c
S
p
a
C
]
b
l-
tf
7
-
5
[
m
N
9
-
7
--
g
n
i
R
p
m
a
l
C
r
o
t
a
u
t
c
A
)t
u
N
d
n
a
tl
o
B
(
]
b
l-
tf
5
3
-
5
2
[
m
N
2
.
7
4
-
7
.
3
3
9
1
s
w
e
r
c
S
p
a
C
]
b
l-
tf
0
5
[
m
N
5
.
7
6
2
1
t
u
N
r
e
n
n
a
p
S
]
b
l-
tf
5
1
-
0
1
[
m
N
3
.
0
2
-
6
.
3
1
--
e
b
u
T
g
n
it
n
u
o
M
r
o
t
a
u
t
c
A
)t
u
N
r
e
n
n
a
p
S
(
]
b
l-
tf
5
1
-
0
1
[
m
N
3
.
0
2
-
6
.
3
1
--
tl
o
B
p
a
T
)
y
l
n
o
d
e
g
a
g
n
e
-
g
n
ir
p
S
(
]
b
l-
tf
5
1
-
0
1
[
m
N
3
.
0
2
-
6
.
3
1
8
1
w
e
r
c
S
e
n
i
h
c
a
M
]
b
l-
tf
2
1
-
8
[
m
N
5
1
-
2
1
1. Adhere to the following bolt torques (See Table 4).
2. Clean Breather Cap air filter when dirty (spring engaged
unit only).
3. Inspect canister exterior for damage. Replace canister
if damaged.
4. Check tightness of all air line connections and condition
of all air lines. Replace air lines if deterioration exists.
5. Inspect friction facings for wear. Replace if worn to
approximately 5/16 inch thick.
6. Lubricate items requiring lubrication (See
LUBRICATION).
MAINTENANCE
The use of 3/4 inch wide discs with the BD Caliper Brake requires a shorter Piston Rod (Item 10) and Return Springs
(Item 17) for proper operation. (Not applicable for the 60 psi canister.)
OPTION KIT FOR 3/4" WIDE DISC INSTALLATION (INCLUDED WITH BRAKE)
1. Remove Return Spring (Item 17) and Shoes (Item 3)
by removing Shoe Pins (Item 16) (See Figure 15).
2. Loosen the Spanner Nut (Item 12) and turn the
Adjustment Screw (Item 8) counterclockwise until it is
fully disengaged (See Figure 15).
3. Open the Arms (Item 2) at the actuator end and replace
the Piston Rod (Item 10) (See Figure 19).
4. Reinstall the Shoes (Item 3), Shoe Pins (Item 16), and
Return Spring (Item 17) (See Figure 15).
5. Reengage the brake.
NOTE
On spring engaged BD Caliper Brakes, apply hold-off
air pressure and:
Tap Bolt located under
Breather Cap.
Figure 15a
Figure 15b
9/16" Hex
Head
3/4" Hex
Head
Refer to pages 16 & 17 for manual disengagement and
re-engagement instructions.
6. Perform friction facing adjustment (See FRICTION
FACING CLEARANCE ADJUSTMENT).
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.
WARNING
Spring actuated brakes must be manually released prior to brake disassembly.
Refer to pages 16 & 17 for manual disengagement and re-engagment instructions.
Hold-off air pressure can be removed once unit is manually disengaged, and service performed
(See Figure 15 a & b).
WARNING
