FMC Corporation - Talstar FMC L06 - Manual (Page 30)

Doc No: OMM50000903
Rev: B Page 30 of 65
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property of FMC Technologies, and may not be reproduced, disclosed, or made public in any manner prior to express written authorization by FMC.
6. For AR valves refer to section 10.3.1. This document describes the methods for
removing and installing the AR valves.
7. For disc valves refer to section 10.3.2. This document describes the methods for
removing and installing disc valves.
8. For ball valves, also refer to section 10.3.2. However, the balls are not retained in
the valve seat. The ball can easily be removed from the valve assembly by lifting
it out of the open cage portion of the valve seat. Then proceed with the
appropriate Knock Out Tool to remove the valve seat from the fluid chamber.
9. After the valves have been replaced, inspect each o-ring (50) on each valve cover
(49). FMC recommends that the valve cover o-rings be replaced if nicked or
extruded. Install the valve cover with the o-ring in place (lubricate the o-ring), and
install the valve cover clamps (51) over the valve cover studs (52). Replace valve
cover washers (if installed) and the valve cover hex nuts (53).
10. Torque the valve cover hex nuts or hex plugs to the recommend values listed in
the Fastener Torque Requirements, Section 11.0, of this manual.
Installation Tip: Add grease around each o-ring on the valve covers to prevent o-ring from
falling out of cover when turned over for installation.