Warner Electric ER-1225 - Manual (Page 11)

Warner Electric • 800-825-9050 819-0466 11
Step 17: When the armature is released and
rotating freely, the armature working
face should not rub on the magnet
working face and the armature working
face axial runout (wobble) should not
exceed .015 inch . If the armature rubs
or wobbles excessively, remove the
armature assembly and reassemble it
as instructed in Steps 11 & 12 . If the
problem persists, replace the brake .
Step 18: Brake installation is complete . Follow
KONE Inc . instructions to install the
remainder of the system .
INSTALLATION FOR ER-825 BRAKE
WITH INSIDE ARMATURE HUB
& NO TAPER-LOCK BUSHING:
Technical Information:
Static Torque: . . . . . . . . . . . . . . . . . . . . .125 lb .ft .
Max RPM: . . . . . . . . . . . . . . . . . . . . . . . . . 3600
Voltage: . . . . . . . . . . . . . . . . . . . . . . . . . 90 VDC
Total weight: . . . . . . . . . . . . . . . . . . . . . . . . 16 lb .
Current draw: . . . . . . . . . . 0 .295 amp @ 90 Volts
Resistance at 20 degrees C: .305 ohms ± 10%
Step 1: Remove the ER brake from its shipping
carton . The carton contains a magnet
(Item 10) and armature (Item 2) . (See
Figure 13) 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 solvents on friction
face!)
Step 3: Insert an aluminum (or other non-
magnetic material) spacer into the
magnet bore and align the holes in both
components .
This spacer must be machined to pilot on the
motor and magnet pilot mounts and align within
the tolerances specified in the introduction to this
manual . (See Figure 14)
2
7
5
6
4
1
10
2
3
Armature
Blue Spring
Drive Pin
Retainer
Ring
Follow
Up Cup
Hub
Yellow Spring
Detent
Detent Cup
Magnet
Mounting
Surface
Working
Surface
Armature
See
Detail A
Detail A
1
9
8
Hub
Figure 13 - Assembled brake showing item
numbered components. Item numbers shown
will be referenced throughout this installation
procedure.
Figure 14 - Aluminum spacer installed.