Textron Bell 412, Руководство по обслуживанию

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BHT-412-MM-2
5-00-00
Page 16
Rev. 16 26 FEB 2013 Export Classification C, ECCN EAR99
Chapter 63 TRANSMISSION
1. Check for proper oil level.
2. Check external oil filter for bypass indication.
3. Visually inspect transmission cases for damage, condition,
and evidence of leaking.
4. Visually inspect accessories for condition, damage, and
security of attachment.
5. Visually inspect external oil lines and hoses for condition,
damage, chafing and leaks, paying particular attention to lines
running aft of the thermostatic relief valve.
6. Visually inspect mast assembly for corrosion and
mechanical damage, and mast seal for leakage.
7. Transmission mount dust boots for condition.
WARNING
CAUSE OF ANY DISCOLORATION SHALL BE
DETERMINED AND CORRECTED PRIOR TO
NEXT FLIGHT.
8. Visually inspect transmission tail rotor output quill coupling
(and surrounding area) for grease leakage, damage, corrosion,
and evidence of overheat as indicated by TEMP-PLATES or
coupling discoloration. A change in color of one or more of the
red bordered TEMP-PLATE dots from white/off-white to black,
indicates an overheat condition, and may require replacement
of both outer and inner couplings (step 9).
9. Visually inspect overheat TEMP-PLATES for condition and
security. TEMP-PLATES must not show evidence of
overtemperature indication, deterioration, debonding, or
excessive discoloration of the epoxy overcoating.
SCHEDULED INSPECTIONS
5-5. DAILY INSPECTION — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER