Warner Electric ATT Tension Brakes - Manual (Page 4)

4 Warner Electric • 800-825-9050 P-221 • 819-0338
Brake Installation
1. Remove your ATT brake from its shipping
carton and inspect it thoroughly to ensure
that is has arrived in good condition.
An accessory kit included with your brake
contains a coil wire retainer and mounting
hardware.
2. If used, install the Warner Electric conduit box
in accordance with its furnished instructions.
3. Mount the magnet to the machine frame
using the hardware in the accessory kit so
that the magnet face is square with the
armature shaft within .006 T.I.R. and the
magnet mounting pilot diameter is concentric
with the armature shaft within .010 T.I.R.
This is important to assure proper
function and unit life.
4. Tighten the mounting screws to the machine
frame to the appropriate torque for your size
brake.
Size Torque
25 12.5 ft.-lbs.
55 25 ft.-lbs.
115 25 ft.-lbs.
5. Slide the armature over the input hub.
6. Slide the hub onto the shaft and provide a
1/16" gap between the friction faces.
7. Tighten the set screws located in the hub to
the appropriate torque for your size unit:
Size Torque
25 80 in.-lbs.
55 160 in.-lbs.
115 275 in.-lbs.