Maintenance Waukesha Cherry-Burrell
®
Brand Universal 3 Pump
Page 78 95-03103 11/2018
2. Figure 183 shows the rotor nut O-ring installed.
3. Apply a small amount of anti-seize to the shaft threads, then
install the rotor nut.
4. Repeat these steps for the second rotor.
5. Insert the rotor blocking tool (part number 139790+) to keep
the rotors from turning when installing the rotor nuts.
NOTE: When working on a rotor, always block the rotor
against the body, not against the other rotor. See Figure 185.
NOTE: SPX FLOW recommends using the Non-Marring
Socket Tool for Rotor Nuts (see below) to protect the rotor
nut when torquing.
Figure 183 - O-ring installed
Figure 184 - Install rotor nut
Figure 185 - Torque rotor nut
Table 13: Rotor Nut Wrench Size and Socket Tool
U3 Model Wrench Size Socket Tool
006, 015, 018 15/16" 140074+
030, 040 1-1/4" 139795+
045, 060, 130 1-5/8" 139796+
180, 220 2-1/4" 139797+
210, 320 2-3/8" 126536+
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