1. The document orders parts for assembly FC303158, including an armature plate assembly, magnet accessory, armature hub assembly with the required bore size, and a bearing mounted rotor and field assembly with the required voltage and bore size. 2. It provides technical data for model 303 including weight, torque, rated speed, voltage and current specifications. 3. It lists replacement parts for a clutch coupling including part numbers for the armature plate, magnet accessory, bearings, collars, fields, rotors, and bearing mounted rotor and field assemblies.

1. G-2
Order Parts for Assembly No. FC303158
Stationary Field
Bearing Mounted
Spline Drive
Armature Hub Bearing Mounted
Assembly Rotor Field
Clutch Coupling
Armature Plate Magnet Bore A Bore B
Assembly Accessory 1/2 5/8 3/4 3/8 1/2
24 Volts 303390-2 326147 303451-3 303451-5 303453-8 303773-1 303773-3
90 Volts 303390-2 326147 303451-3 303451-5 303453-8 303774-1 303774-3
To order, specify: 1, Armature Plate Assembly
1, Magnet Accessory
1, Armature Hub Assembly of required Bore A size
1, Bearing Mounted Rotor and Field Assembly of required Voltage and Bore B size
For controls, see Section K.
Technical Data and Torque (In. Lb.)
Static Max. Coil * Rated RPM
Model Wt. Torque Speed Voltage Current
No. Lbs. in. lb. RPM vdc amps 0 300 600 900 1200 1500 1800 2400 3000 3600
303 1.3 60 3600 90 .11 60 53 48 43 42 41 38 34 32 30
* Rated Current for 90v.
Refer to Section M for torque and heat dissipation curves.
B
Collar used with 1/2
Rotor Bore only.
Model
303
Bore A Keyway
1/2 .125 x .062
5/8 .187 x .094
3/4 .187 x .094
Bore B Keyway
3/8 .093 x .046
1/2 .125 x .062
Sold Serviced By:
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com

2. G-3
7
1
Clutch Coupling – Replacement Parts
2 10
3
9
4
8
5
Replacement Parts
Item Qty. Description Part No. Item Qty. Description Part No.
1 1 Armature Plate Assembly (10 Teeth) 303390-2
2 1 Magnet Accessory 326147
3 1 Bearing DY-9436
4 1 Retaining Ring (External) DY-1581
5 1 Collar (furnished with .500 bore) 326304-1
7 1 Armature Hub Assembly
3/8 Bore (plain bore) 303453-PB
1/2 Bore 303451-3
5/8 Bore 303451-5
3/4 Bore 303453-8
8 1 Field
24 Volts 303333
90 Volts 303334
9 1 Rotor Assembly
3/8 Bore 303556-1
1/2 Bore 303556-3
10 1 Bearing Mounted Rotor and
Field Assembly
24 Volts, 3/8 Bore 303773-1
24 Volts, 1/2 Bore 303773-3
90 Volts, 3/8 Bore 303774-1
90 Volts, 1/2 Bore 303774-3
Sold Serviced By:
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com