Waukesha Cherry-Burrell
®
Brand Universal 3 Pump
Maintenance
02/2021
95-03103
Page 75
Fluid Head Assembly -
Rotors and Cover
Install Rotors
NOTE:
Mechanical seals are shown in this section, but the
instructions apply to the O-ring seal as well.
1. Align the timing spline of the rotor and the pump shaft.
NOTE:
Mechanical seal shown.
2. Figure 179 shows the timing spline of the shaft.
NOTE:
Mechanical seal shown.
3. Push the rotor onto the shaft.
NOTE:
When you push on the rotor, you should feel pressure
from the seal spring. (With the O-ring seal, you should feel a
little pressure from the spring, but not as much as from the
mechanical seal.)
NOTE:
Mechanical seal shown.
Figure 178 - Timing spline of rotor
Figure 179 - Timing spline of shaft
Figure 180 - Push rotor on shaft