Rockwell Automation MPS-xxxx Stainless Steel Servo Motor - Manual (Page 21)

MP-Series Stainless Steel Servo Motor with 100 mm to 165 mm Frame Size 21
Publication MP-IN005F-EN-P - January 2014
Install the Replacement Slinger
1. Install a threaded rod and nut in the shaft alignment hole.
The table below lists the diameter and threading of alignment holes, and a recommended
rod length for each motor.
2. Tighten the nut on the threaded rod against the end of the motor shaft.
This prevents the threaded rod from backing out of the motor shaft during this
removal/installation procedure.
3. Position the slinger squarely on the end of the motor shaft.
4. Place a deep well socket, a larger washer, and a nut on the threaded rod.
Use a socket larger than the shaft diameter to provide sufficient clearance between the
inside surface of the socket and the motor shaft. The table below lists shaft diameters for
various motor sizes.
5. Tighten the nut to force the washer, socket, and slinger down the shaft.
If additional travel is required to seat the slinger, add a section of hollow pipe or a similar
item behind the socket.
6. Stop moving the slinger down the shaft approximately 3 mm (0.125 in.) before the
slinger contacts the mounting surface of the motor.
Hex Nut and Threaded Rod Sizing
Motor Cat No. Threaded Rod Size with Recommended Length
mm (in.)
MPS-x330 M5 x 0.8 thread size x 175 (6.9)
MPS-x4540 M8 x 1.25 thread size x 200 (7.9)
MPS-x560 M10 x 1.5 thread size x 225 (8.9)
Motor Shaft and Slinger Diameters
Motor Cat No. Motor Shaft Diameter
mm (in.) Slinger Outside Diameter
mm (in.)
MPS-x330 16.0 (0.63) 50.8 (2.0)
MPS-x4540 24.0 (0.945) 63.5 (2.50)
MPS-x560 28.0 (1.1024) 82.6 (3.25)
IMPORTANT Grasp the slinger tightly by hand to prevent shaft and slinger rotation in the next steps.
Motor
Slinger
Lock Nut
Socket
Washer
Threaded Shaft
Adjustment Nut