DANGER PRECAUTIONS
You must adhere to the following safety precautions at all times when working on the
Compac equipment. Failure to observe these safety precautions could result in
damage to the dispenser, injury, or death.
Make sure that you read and understand all safety precautions before operating the
Compac equipment
Failure to take adequate safety precautions could result in explosion, injury and loss of
life.
System Design
Ensure the system design does not allow the dispenser inlet pressure to
exceed its rating. The dispenser does not include any safeties to protect
against excessive inlet pressure. If necessary, suitable protective devices
should be fitted prior to the dispenser inlet.
Mechanical Safety
Observe the following electrical precautions:
▪ Never tighten a fitting under pressure, even if a fitting or joint is leaking.
Always depressurise the line first.
▪ Never disassemble a fitting under pressure. Always depressurise the line first.
▪ Be very careful when disassembling frozen pipework, as gas pressure may be
trapped and suddenly released. Always depressurise the line before using.
▪ Never reuse any O-ring seals that have been in a high pressure gas
atmosphere and then exposed to air. These o-rings swell and cannot be
reused. Always make sure you have a new seal kit available to replace the
seals before disassembly.
▪ Make sure that all internal surfaces are cleaned and that sliding surfaces are
lightly greased with O-ring lubricant before reassembly. Dust and dirt entering
components reduce the life span of the components and can affect operation.
▪ Ensure the service area is thoroughly cleaned before initiating service on CNG
components. Dust and dirt entering the components reduce the life span of the
component and affect future operations.
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