LEESON 143-5TC Double C-Face Coupler - Manual (Page 2)

Position hub on shaft as shown. Place hub on motor shaft. Tighten set screws to motor shaft.
Connect coil lead-
wires to power
supply. Refer to
nameplate for
voltage rating.*
Caution: Keep
wiring away from
pinch points and
moving components.
.188”
(4.77mm)
BRAKE MOUNTING (Manual Adjust)
* Stabilizer clips
are for use on
single disc units
only. Position
clips opposite
set screw holes.
3A
Remove support plate screws and
lift support from brake
Reposition support plate on endplate and
tighten mounting screws to 55 lb-in.
Install new friction disc(s) and
stationary disc(s) as shown.
Remove and discard old friction disc.
clockwise
For brakes
with vertical
springs see
Vertical
Spring
Assembly
Section.
FRICTION DISC REPLACEMENT SERIES
2
Note: Friction discs can wear to 1/2 their original thickness, or .093”
A. Remove housing nuts and slide tie bolt out of brake.
B. Remove housing from endplate. Slide endplate over hub noting position of stabilizer
clips, if used. (Refer to Friction Disc Replacement
view 3 and 3A). Mount brake endplate to
motor C-face using the four tie bolts.
Finger tighten.
A. Slide housing and shaft assembly onto mounting studs, rotating
shaft until keyway is aligned. Be sure housing is assembled with
access windows in same position as shown in Figure 1, page 1.
B. Mount and secure brake/motor assembly to
C-face mounting register of reducer.
Using four 3/8 - 16 nuts and
lockwashers, tighten to 30-35 ft-lb.
clockwise
counter-
clockwise