Doc No: OMM50002312 
Rev:  C Page 33 of 54 
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10.3.3  Valve Removal and Installation Tools 
 
There are two Knock Out tools available for removing valves from W11 pumps. The 
P534695 Small Ball Knock Out tool is the preferred tool for W11 pumps with ball valves.  
The P534694 Large Ball Knock Out tool is designed for the disc valves in the W11 
pumps. The valves and appropriate tools are listed in Table 9. 
 
Figure 6: Illustration of the P534694 or P534695 Ball Valve Knock Out Tools 
 
All Knock Out tools are used as illustrated in Figure 4, Section 10.3.1. The P534694 or 
P534695 ball type tools are used with the ball end positioned against the bottom of the 
valve seat.