Coupler, Installation, Rear mounted – Warner Electric UNIBRAKE User Manual
Page 3
Coupler style output shaft must
be direct coupled to load not for belted or any
type overhung load applications.
Remove (4) hex screws and lift off cover/shaft
assembly. Remove brake hub and attach it to the
motor shaft using the long key and set screws.
Locate hub 5/16 inch away from mounting face of
motor as shown below. Tighten setscrews to 55-
100 in. lbs. of torque. Slip brake head assembly
over brake hub and onto the motor mounting face.
Fasten with (4) 3/8-16 socket head cap screws.
Leads should be twisted and routed across top
front of coil away from rotating brake hub and then
routed through lead clip on side of coil. Replace
brake cover/shaft assembly after wiring by
inserting keyed shaft into the brake hub extension
and guiding cover over the brake head assembly,
the center window should be located over brake
release lever to allow for gap inspection. Secure
with (4) hex bolts and nuts.
Coupler
3
Warner Electric • 800-825-9050
P-1699-WE
Any mechanism or load held in
position by the brake should be checked to
avoid possible damage or injury to personnel
before brake is released manually.
Installation
Remove cover from brake, locate brake hub. At-
tach hub to shaft using key and set screw
provided. Position hub from mounting face of motor
as shown for your type of brake head. Tighten set
screws to 55-100 in. lbs. of torque. Slip brake head
body onto mounting face and fasten with (2) 3/8
inch socket head cap screws. Cover will be assem-
bled after brake is wired. Leads should be twisted
and inserted into the insulation sleeve and routed
to conduit port or openings through back of motor.
Rear
Mounted
Rear Mounted
Coupler
Customers
Motor
5/16 inch
Hub
Key
Motor
Output
Shaft
End
Customers
Motor
Hub
Key
Motor
Output
Shaft
End
1/2 inch
Aluminum Brake Head
Cast Iron Brake Head