Textron Bell 412, Руководство по обслуживанию

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BHT-412-MM-2
5-00-00
7 NOV 2016 Rev. 25 Page 5 Export Classification C, ECCN EAR99
inspections, component interim inspections, and
component overhaul inspections.
a. Scheduled inspections must occur at specified
operating intervals. The intervals may be in operating
time (hours), cycles, torque events (RIN), calendar
(days, months, years) or other assigned units. This
ensures the helicopter is airworthy.
• Scheduled inspections — Part A consists of:
– Daily inspection — Accomplish daily before
flight operation.
– 100 hours/12 calendar months — Accomplish
each 100 hours of flight operation or
12 calendar months, whichever comes first.
– 1000 hours — Accomplish each 1000 hours of
flight operation.
– 5000 hours/5 years — Accomplish each
5000 hours of flight operation or each
60 calendar months, whichever comes first.
• Scheduled inspections — Part B consists of the
following:
– 25 hours/30 days — Accomplish each
25 hours of flight operation or each 30 days,
whichever comes first.
– 300 hours/12 month inspection — Accomplish
each 300 hours of flight operation or each
12 calendar months, whichever comes first.
– 600 hours/12 months — Accomplish each
600 hours of flight operation or each
12 calendar months, whichever comes first.
– 5000 hours/5 years — Accomplish each
5000 hours of flight operation or each
60 calendar months, whichever comes first.
b. Special inspections are of a temporary nature
or of a special interval that is not consistent with the
scheduled inspections.
c. Conditional inspections do not occur at a
specified time. A conditional inspection is the result of
known or suspected unusual event, known or
suspected malfunctions, or defects.
d. An interim inspection occurs between
overhauls.
e. The component overhaul schedule gives the
elapsed operating time at which a component must be
removed, disassembled, examined for condition, and
overhauled, in accordance with data approved by Bell
Helicopter Textron.
2. Airworthiness limitations — Replace components
in accordance with Airworthiness Limitations Schedule
(Chapter 4).
3. Lubrication and servicing requirements are in
addition to those stated in this chapter (Chapter 12).
4. For corrosion control, refer to the Corrosion
Control Guide, CSSD-PSE-87-001 and the
BHT-ALL-SPM.
5. For the PT6T Series engines, refer to the
applicable Pratt & Whitney Canada Engine
Maintenance Manual for the scheduled inspections,
special inspections, conditional inspections, and
component overhaul schedule.
6. For the common Bell Helicopter Textron approved
optional equipment that is integrated into this
maintenance manual, refer to this chapter for the
scheduled inspection, conditional inspection,
component interim inspection, and component
overhaul inspection.
7. For all other Bell Helicopter Textron approved
equipment, refer to the applicable Service Instruction
for the scheduled inspection, special inspection,
conditional inspection, component interim inspection,
and component overhaul inspection.
8. For the inspection requirements for optional
equipment approved under Supplement Type
Certificate (STC), refer to the applicable STC
documentation. Maintenance and inspection of these
items are the responsibility of the owner/operator.
5-3B. DEFINITIONS
• Inspect, check, examine — Determine condition
relative to an established standard.
• Condition — The state of being of an item as
related to serviceable or unserviceable standard.