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User manual
P/N 3-9008-556
Table 9-3: Planned maintenance tasks
Task
Part (seal) replacement
Corrosion monitoring
Lubricant information
Proper lubrication procedure
User manual
(continued)
Recommended action
Visual inspection of the O-rings is recommended once a year
and replacement of the O-rings is recommended at least
once every five years. Follow internal procedures for part
replacement. Do not twist or overstretch the O-ring during
assembly.
Daniel recommends visually inspecting the control valve for
corrosion in the internal components at least once a year.
Follow internal procedures for corrosion. The valve was
designed without corrosion allowance. Periodically inspect
the valve's metal parts for corrosion and erosion, and inspect
the seals and O-rings for wear and chemical damage.
High-viscosity silicone oil with a temperature range of -54° C
to 204° C (-65° F to 400° F).
Lubricate the entire surface of the O-ring before installation
with a thin layer of high-viscosity silicone oil. Remove excess
lubricant.
Planned maintenance
October 2019
81
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