Doc No: OMM50001243
Rev: C Page 35 of 68
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10.3.1.2 Knock Out Tool
The simplest of the tools is the removal and installation tool, part number P504436. It is
used primarily on the M06 and L06 model pumps for small valves.
To remove a valve, this tool is inserted from the bottom of the fluid cylinder and is
stopped by the bottom of the valve seat. The tool is struck sharply with a hammer and
the valve is loosened. The suction valve can be removed first through the cylinder
cover (if the fluid cylinder is equipped with them) and the discharge valve through the
valve cover. If the fluid cylinder does not have cylinder covers the fluid end must be
removed first to allow access (See Section 10.2 for fluid cylinder removal instructions).
Figure 8: Using the Knockout Tool
This is the lowest cost valve removal device for the AR valves.
Strike on this end with a hammer
to remove the valve
Cylinder Cover hole with
cover & clamp removed
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