3. Place friction brake disc on flat surface and check for
distortion with a straight edge. Friction material should
appear even across entire surface with groove pattern
visible. Replace friction disc if splines are worn to a
point, disc is distorted, friction material is worn
unevenly, or groove pattern is worn away.
4. Place steel brake disc on flat surface and check for
distortion with a straight edge. Check surface for
signs of material transfer or heat. Replace steel disc
if splines are worn to a point, disc is distorted or heat
discolored.
5. Check brake spring free length; minimum free length
is 15/16 in. (23.8 mm). Check springs for any sign of
cracking or failure. If a brake spring must be replaced
for any reason, then ALL brake springs must be
replaced.
ASSEMBLY
1. Begin assembly by placing motor support on work-
bench with motor mounting surface down. Install new
O-ring and back-up ring as shown.
2. Install a brake spacer into the motor support. (
Not
required with lobed discs.
)
19
Failure to replace brake springs as a set may result in
uneven brake application pressure and repeated brake
spring failure.
CAUTION
Summary of Contents for BRADEN Gearmatic BG6A
Page 2: ......
