Maintenance Waukesha Cherry-Burrell
®
Brand W70 Series Mix Proof Valves
Page 38 95-03087 10/2023
Installation of Piston and
Spring Assembly Using
Insertion Sleeve
for W71/W73 4" Diameter
Actuators
See Figure 37 and Figure 38. On 4" diameter actuators, the
installation of the piston and spring assembly in the cylinder
requires a special sleeve to contain the bearing on the piston
during installation. See Figure 39 below and on page 90 for part
number and dimensional details.
• Push the insertion sleeve up into the cylinder assembly.
• When the sleeve is stopped, push the piston and spring
assembly up into the cylinder assembly.
Maintenance Video 22: Using insertion sleeve for W71/W73
Actuators
Figure 37 - Installation of Piston and
Spring Assembly Using Insertion
Sleeve
Figure 38 - Piston and Spring Assem-
bly Installed in Insertion Sleeve
NOTE: The insertion sleeve is available using the part
number below, or it can be created by most machine
shops using #6 nylon round stock. See insertion sleeve
dimensions shown above.
• Material is #6 nylon round stock.
• Bevel the inside and outside end corners.
Figure 39 - 4" Diameter Actuator Rebuild Insertion Sleeve
(for W71 / W73 Valves)
4" Actuator Rebuild Insertion Sleeve 111840+
PL5027-CH90
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