Warner Electric ER-1225 - Manual (Page 5)

Warner Electric • 800-825-9050 819-0466 5
Tools required (not included)
- 1/4” Hex key wrench for taper lock bushing
set screws - ER-1225 .
- 3/16” Hex key wrench for taper lock bushing
set screws - ER-825 .
- 7/32” Hex key wrench for mounting screws .
- Grade 242 Loctite .
- Snap ring pliers, external .
- Torque wrench minimum 200 lb .ft . reading -
ER-825 .
- Torque wrench minimum 400 lb .ft . reading -
ER-1225 .
- 3 steel shims, equal thickness, not less than
1/16”, not greater than 1/8” .
- Small hammer (approximately 8 ounce) .
- Brass Drift .
- Flat blade screwdriver .
- Loctite grade 242 .
INSTALLATION FOR ER-825
BRAKE WITH OUTSIDE
ARMATURE HUB
Technical Information:
Static Torque: . . . . . . . . . . . . . . . . . 125 lb .ft .
Max RPM: . . . . . . . . . . . . . . . . . . . . . . . . . 3600
Voltage: . . . . . . . . . . . . . . . . . . . . . . . . . 90 VDC
Total weight: . . . . . . . . . . . . . . . . . . . . . . 15 .6 lb .
Current draw - Nominal: . . 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 11) and armature (Item 3) plus
mounting hardware and a conduit box .
(See Figure 1) 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 .
No solvents on friction face!
Step 3: Assemble the conduit box to the magnet
in accordance with the instructions
furnished with the conduit box .
Detail A
Hub
6
Red Spring
Retainer
Ring
Pin
Armature
Yellow Spring
Detent
Detent Cup
8
10
4
3
5
2
7
Magnet
11
1
Set Screw
12
See Detail A
Hub
Armature 3
2
Taperlock
Bushing
Working
Surface
Mounting
Surface
Figure 1
Assembled brake shown numbered components.
Item numbers shown will be referenced
throughout this installation procedure.
Step 4: 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 2)
Figure 2 - Aluminum spacer installed