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TCH.1C-27J-2-27JG
CAUTION
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Cap the disconnected hydraulic tubes
immediately after removing the
component. After having fitted the
hydraulic component, fill and bleed the
system, pressurize it and check for leaks.
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PRIMARY FLIGHT CONTROLS
1.Refer to paragraph GROUND HANDLING SAFETY
PRECAUTIONS (refer to manual 
TCH.1C-27J-2-09JG
) and paragraph GROUND SAFETY RULES (refer to
manual 
TCH.1C-27J-2-00GV
) for general safety
instructions to be considered in performing
maintenance on aircraft.
2.Make certain that the control surfaces and the
surrounding area are clear of tools that could interfere
with control surfaces movement.
3.To prevent any damage to components of directional
trim control system, do not operate the system unless
the aircraft hydraulic system is pressurised.
4.After replacement of any component in the hydraulic
system, restore the fluid level in the reservoirs and
carry out a complete cycle of manoeuvres of the
relevant system before the next flight.
5.If particular hydraulic contamination event occurs,
check and clean internal filters.
6.Hydraulic fluid is acid. Prevent contact with skin.
Screw tops must be fixed on pipes after removal.
7.In many cases, corrosion results from fingerprints
caused by careless handling. Avoid handling the units
when not necessary and keep all disassembled parts
submerged in preservative oil (LCM NO. 00088).
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