Flowserve WG Series Limitorque - Manual (Page 11)

11
Limitorque WG Series Worm Gear Operator FCD LMENIM2101-02 – 1/15
flowserve.com
4
Disassembly and
Reassembly Instructions
4.1 Safety Precautions
c WARNING: Read this Installation, Operation and maintenance manual carefully and completely before attempting
to install, operate or troubleshoot the Limitorque operator.
c WARNING: Potential HIGH-PRESSURE vessel — be aware of high-pressure hazards associated with the attached
valve or other actuated device when installing or performing maintenance on the operator. Do not remove the
operator mounting bolts from the valve or actuated device unless the valve or device stem is secured or there is
no pressure in the line.
c WARNING: For maintenance and/or disassembly of the operator while installed on the valve, ensure that the
operator is not under thrust or torque load. If the valve must be left in service, the valve stem must be locked in
such a way as to prevent any movement of the valve stem.
c WARNING: Do not manually operate the operator with devices other than the installed handwheel. Using force
beyond the ratings of the operator and/or using additive force devices such as cheater bars, wheel wrenches, pipe
wrenches, or other devices on the operator handwheel may cause serious personal injury and/or damage to the
operator and valve.
c WARNING: Do not exceed any design limitations or make modifications to this equipment without first consulting
Limitorque.
c WARNING: Use of this product must be suspended any time it fails to operate properly.
a CAUTION: If a motor actuator is driving the manual operator, do not operate the valve under motor operation
without first checking and setting the limit switch and checking for correct motor rotation.
a CAUTION: Do not use replacement parts that are not genuine Flowserve Limitorque parts, as serious personal
injury and/or damage to the operator and valve may result.