BHT-206L4-MM-1
5-00-00
Page 64 Rev. 13 25 FEB 2011
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 inside the aft fairing
for condition.
8. Examine external scavenge oil filter system (STC) (if
installed) for condition and security.
DRIVETRAIN
Chapter 65 1. Examine the blower impeller for condition.
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.
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.
5. Lubricate oil cooler blower hanger bearings.
Chapter 12
Chapter 65
6. Examine aft short shaft (aluminium) for condition and
security.
7. Examine aft short shaft (aluminium) splined adapter for
wear.
Chapter 12 8. Lubricate aft short shaft (aluminum) splined adapter.
Chapter 65 9. Torque check disc pack coupling fasteners 50 to
70 inch-pounds (5.7 to 7.9 Nm).
5-24. 300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 4 (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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