7
FORM NO. L-20063-AG-1216
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 2).
Figure 3
16
16
3
6
1
24
2
24
7
7
Refer to Figure 3.
The actuator can be mounted on either side of the brake.
1. Pull Shoe Pins (Item 16) up and out.
2. Remove Shoes (Item 3).
3. Remove the 4 Cap Screws (Item 24).
4. Remove the Pivot Pin Retainer Plate (Item 6).
5. Press the Pivot Pins out (Item 7).
6. Slide Arms (Item 2) out of Main Frame (Item 1).
7. Position Arms and Actuator as desired.
8. Reverse the above procedure to reassemble the BD
Caliper Brake.
9. Tighten the Cap Screws (Item 24) to 7-9 Nm [5-7
ft-lb] torque.
Re-Engagement
NOTE:
On spring engaged BD Caliper Brakes, apply 80-100 psi
hold-off air pressure and: Refer to pages 16 & 17 for manual
disengage and re-engage instructions.
ACTUATOR
Tap Bolt
located under
Breather Cap
Figure 2a
Obsolete Three-Port Actuator
Figure 2b
Two-Port Actuator
3/4" Hex
Head
Figure 2c
60 PSI Actuator
15/16" Hex
Head
WARNING
CAUTION
Do not completely unscrew the bolt from
the unit or the manual release mechanism
will be disabled.
