LINES AND PORTS
High pressure hydraulics used to operate equipment can pierce body tissue. Never
disconnect any hydraulic line or fitting without first dropping pressure to zero.
Failure to comply may result in death or injury to personnel. Seek medical attention
in the event of an injury.
Wear eye protection when performing any hydraulic maintenance procedure or
test. Failure to comply may result in death or injury to personnel. Seek medical
attention in the event of an injury.
To keep dirt from contaminating fluid systems when removing and installing lines, perform the
Clean fittings and surrounding area before disconnecting lines.
Cover, cap, plug, or tape lines and ports after disconnecting lines. When these are not available, use
hand-carved wooden plugs, clean tags, duct tape, or other similar materials to prevent dirt from
Ensure that new and used parts are clean before installing.
Wait to remove covers, caps, plugs, or tape from lines and ports until just before installing new lines.
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Only apply antiseizing tape to pipe threads on male fittings of the air system. Failure to
comply may result in damage to, or destruction of, equipment or mission.
When connecting air lines and fittings without compression sleeves or packings, antiseizing tape may be used to
keep connections from leaking. Use as follows:
Ensure that threads are clean and dry.
Start antiseizing tape one or two threads from small or leading edge of fitting, joining tape together with an
overlap of about 0.125 in. (3.18 mm) for fittings with fine threads. For fittings with coarse threads, tape
should be wrapped around threads two or three times.
Tightly wrap antiseizing tape in same direction as you would tighten a nut. Tape must be pressed into
threads without cutting or ripping.
DO NOT exceed specified torque or use power tools to tighten fittings taped with
antiseizing tape. Over-tightening could damage fitting threads and cause connection to
leak. Failure to comply may result in damage to, or destruction of, equipment or mission.
Using hand tools, tighten fittings to specified torque.
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