Textron Bell 206A Series, Maintenance Manual

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BHT-206A/B-SERIES-MM-1
5-00-00
Page 74
Rev. 14 30 APR 2013 Export Classification C, ECCN EAR99
3. Examine oil cooler core for obstructions and cleanliness.
Chapter 65 4. Examine oil cooler blower and housing for cleanliness,
condition, and security.
Chapter 79 5. Examine oil tank for leakage, condition, and security.
Check oil for contamination.
6. Examine oil tank supports for condition and security.
Chapter 71 7. Examine the oil cooler seals bonded to the oil cooler for
condition and security.
8. Examine external scavenge oil filter system (STC) for
condition and security, if installed.
DRIVETRAIN
Chapter 65 1. Examine the oil cooler blower impeller for condition and
security.
NOTE
Oil cooler blower impeller 206-061-432-031 requires
penetrant inspection. Impeller 206-061-432-109 and
subsequent do not require penetrant inspection.
BHT-ALL-SPM,
Chapter 6 2. Using dye penetrant methods, inspect oil cooler blower
impeller 206-061-432-031 for cracks. Give particular attention to
the mounting flange where individual blades attach. Inspection
may be accomplished with impeller installed.
Chapter 65 3. Examine oil cooler blower impeller shaft for condition.
4. Examine oil cooler blower hanger bearings and brackets
for grease leakage and evidence of overheating.
Chapter 12 5. Lubricate oil cooler blower hanger bearings.
Chapter 65 6. Examine aft short shaft (aluminium) for condition and
security.
7. Examine aft short shaft (aluminium) splined adapter for
wear.
PROGRESSIVE INSPECTIONS
5-24. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 4 (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER