Textron Bell 412, Maintenance Manual

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BHT-412-MM-2
5-00-00
7 NOV 2016 Rev. 25 Page 45 Export Classification C, ECCN EAR99
c. Test chip detector electrical circuits.
4. Engine electrical connections:
a. Power section 1 ignition leads for corrosion, chafing,
and security.
b. Power section 2 ignition leads for corrosion, chafing,
and security.
5. Starter generator:
a. Power section 1 starter generator brushes allowable
wear.
b. Power section 2 starter generator brushes allowable
wear.
c. Power section 1 starter generator cooling ducts for
obstruction, kinking, and security.
d. Power section 2 starter generator cooling ducts for
obstruction, kinking, and security.
6. Engine fire detection system elements for condition and
security.
NOTE
If applicable, refer to BHT-412-SI-87 for installation of
adjustable seals or refer to Chapter 71 for seal
adjustment.
Chapter 71
ASB 412-10-140 7. Inspect the left-hand and right-hand engine air inlet
cowlings for gaps between the lower surface of the cowling
firewall and the mating horizontal engine firewall.
Chapter 76 ENGINE CONTROLS
1. Check controls for smooth movement through full range of
travel.
SCHEDULED INSPECTIONS
5-6. 100 HOUR/12 MONTH INSPECTION — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER