Warner Electric ATT Brakes and Clutches User Manual
Page 2
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Warner Electric • 800-825-9050
819-0341
Brake Repair – On the Shaft
Sizes 25, 55, 115
Friction Pads and Armatures
The new ATT design incorporates the latest in
advanced technology providing a rugged,
durable, patented design for long life, high cycle
rates and maximum heat dissipation. Patented,
easy-to-replace, friction surfaces extend the
design life for continued like-new performance.
The ATT offers complete repair on the shaft fol-
lowing ten easy steps. The repair can be com-
pleted utilizing the parts in the friction face
replacement kit. The unit shown is a brake, but
steps apply equally to clutch repair.
1. Move the brake or clutch armature away from
the magnet or field for disassembly and
reassembly.
a. Using a flat blade screwdriver, pry back
on armature assembly to increase airgap.
(See Figure 1)
Figure 1
2. Remove hex head capscrews, washers and
lockwashers to loosen the armature segments
from the cast iron carrier. (See Figure 2)
Figure 2
3. Lift out the two worn armature segments.
(See Figure 3)
Figure 3
4. Remove the screws, which attach the friction
material segments to the brake magnet or
clutch rotor through the appropriate access
holes in armature face. (See Illustration A and
Figure 4)
Illustration A
Screw Driver
Access
P
Failure to follow these
instructions may result in product dam-
age, equipment damage, and serious or
fatal injury to personnel.