Waukesha Cherry-Burrell
®
Brand Universal 3 Pump Maintenance
11/2018 95-03103 Page 57
180-U3 and larger pumps: Install Seal Components
(double mechanical seal)
NOTE: For 130-U3 and smaller pumps, see page 49. For single
mechanical seal, see page 43.
1. Lay out the required parts for each seal.
To lift the body of a 130, 180, 210, 220, or 320-U3, use a lifting
strap threaded through the ports on either side of the body.
2. Install the drive ring as shown in Figure 110. The side of the
drive ring tab that protrudes, faces the body; the flat side of
the tab faces up. (The flat side of the tab is facing the camera
in Figure 110 and Figure 111.)
3. Note the orientation of the tabs; for pumps 180-U3 and larger,
the tabs of the drive ring are parallel to the side ports of the
body as shown in Figure 110 and Figure 111.
4. Figure 111 shows the drive ring installed.
5. Install the seal housing O-ring on the seal housing.
Figure 110 - Install drive ring
Figure 111 - Drive ring installed
Figure 112 - Install seal housing O-
ring
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