Warner Electric ER-1225 - Manual (Page 14)

14 Warner Electric • 800-825-9050 819-0466
INSTALLATION FOR ER-1225
BRAKE WITH INSIDE
ARMATURE HUB
Technical Information:
Static Torque: . . . . . . . . . . . . . . . . . . . . 400 lb .ft .
Max RPM: . . . . . . . . . . . . . . . . . . . . . . . . . 3600
Voltage: . . . . . . . . . . . . . . . . . . . . . . 45-70 VDC
Total weight: . . . . . . . . . . . . . . . . . . . . . . . . 60 lb .
Current draw: . . . . . . . . . . 0 .256 amp @ 60 volts
Resistance at 20 degrees C .235 ohms ± 10%
Step 1: Remove the ER brake from its shipping
carton . The carton contains the magnet
(Item 11) and armature (Item 3) plus
mounting hardware and conduit box .
(See Figure 18) Inspect the components
to make sure they have not been
damaged in shipping .
Step 2: Wipe the magnet and its mounting
surface clean and remove any burrs .
(Careful - No solvent on friction
face!)
Step 3: Assemble the conduit box to the magnet
per instructions included with the conduit
box .
Step 4: Position the aluminum adapter on the
motor pilot . Align holes in the adapter
with holes in the motor . Following the
manufacturer’s instructions, apply
grade 242 loctite to the threads of each
furnished cap screw, add a lockwasher,
and fasten the adapter on the motor .
Tighten these screws 25 to 28 lb .ft .
torque with a torque wrench .
(The adapter must be machined to pilot on
the motor and magnet pilot mounts, and
align within the tolerences specified in the
introduction to this manual.)
Magnet
11
Mounting
Surface
Taperlock
Bushing
See Detail A
Hub
Armature 3
2
Set Scre
12
1
o rking
Surface
Detail A
ollo
p up
e
Spring
etainer
ing
in
Armature
ello Spring
Hub
Detent
Detent up
1
3
2
Figure 18 - Assembled brake showing item
numbered components. Item numbers shown
will be referenced throughout this installation
procedure.
Step 5 . Position the magnet on the adapter pilot
and align the holes in the magnet with
the adapter holes . Following the
manufacturer’s instructions, apply grade
242 Loctite to the threads of each
furnished cap screw, add a lock washer,
and fasten the magnet on the adapter .
Tighten these screws to 25 to 28 lb .ft .
torque with a torque wrench .
Make electrical connection . The positive and
negative of the power lead must be connected to
the positie and negative lead wires or terminals
of the brake, respectively . Follow KONE Inc .
instructions to set the release voltage of the brake .