Warner Electric ATT Brakes and Clutches User Manual

ATT Brakes and Clutches

P-1407
819-0341

Rebuild Instructions

Screw Driver

Access

P

Failure to follow these
instructions may result in product dam­age, equipment damage, and serious or
fatal injury to personnel.

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 fol­lowing ten easy steps. The repair can be com­pleted 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 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)

Figure 1

2. Remove hex head capscrews, washers and
lockwashers to loosen the armature segments
from the cast iron carrier. (See Figure 2)

Warner Electric • 800-825-9050 819-0341

2

Illustration A